Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). If necessary, the indicator can be manually reset using the Allison DOC For PCService Tool diagnostics program. . . . . . . . . Posted January 16, 2019. (Display occurs one character at a time. . . . All Highway Series transmissions are programmed to restrict full operation until specific fluid temperatures are reached. 14 B. . . . . . Furthermore, TID only works when the controller and transmission have the same generation controls. . 119, 21. . . . 61 62. . . . . . . Internet connection capability with Internet Explorer 5.0.1 or greater. . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. . . Use the Allison DOC For PC Service Tool and the code display procedure described in Section 6. TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. . . . . . . . . . . . . . . . . . . . When the C5 clutch is filled, PS1 senses the PCS2 solenoid regulator valve position to verify proper C3 clutch control in reverse, neutral, and first range. . . . . . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and. . 53 53. . 36 39. . . . Also, many different styles and materials for harnesses are likely to be encountered. . . But things may go wrong rather unexpectedly. Consequently, Allison Transmission has not undertaken any such broad evaluation. . Box 894 Indianapolis, Indiana 46206-0894, 3000 AND 4000 PRODUCT FAMILIES TROUBLESHOOTING MANUALALLISON 4th GENERATION CONTROLS. . We have PTOs for the Allison 1000, 2000, 3000, and 4000 series and more. If theres anything out of place, switch them back and try again to see if you can duplicate the problem. . . The TCM issues commands to various solenoids in the two valve bodies to govern fluid flow to the clutches (including torque converter clutch). . . The ER Saf -T- liner Pusher buses all came equipped with 3000 series transmissions and for the most part they were very reliable. . . . R1. . . . . . . . . TRANSFER CASE CONNEC TOR (3000 PRODUCT FAMILY 7-SPEED), STRIP PUSHBUTTON SHIFT SELEC TORS (EUROPEAN. . . . . . . . . . . . Zip Class A CDL Experience Please select ALL of your current, valid driver's licenses CDL A CDL B CDL C . . . . Find an Allison authorized service facility near you. . . Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). Description of the 3000 and 4000 Product Families Allison 4. . Speed sensor information is also used to control the timing of clutch apply pressures, resulting in the smoothest shifts possible. . . . . . . . . . . We make every effort to keep our service information current and accurate. 16 15. . . . . . . six (6) pushbuttons which are R (Reverse), N (Neutral), D (Drive), (Down), (Up), and MODE. . . . . . . . . . The four items above are the only CMCs that are autodetectable. If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. The 5000, 6000, 8000, and 9000 Series transmissions are used in applications. . . . . . . Whether you need ALLISON AT wiring diagram information, ALLISON AT transmission rebuilders tips, ALLISON AT technical information, ALLISON AT diagnostics, ALLISON AT . . . . . . . . When a specified threshold is detected for any of the prognostic functions, the SERVICE TRANS indicator (an open-ended wrench icon located between the range select and range monitor digits in the Allison shift selector) illuminates to alert the operator. . . . . . . When SS1 is energized, control main pressure flows to the top of C1 and C2 latch valves. . . However, you may actually be experiencing a failsafe instead. . . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and not the wires extending from the connector. . . . . Be sure the transmission model matches the calibration in the TCM. . . The default system enables the transmission to revert to total hydraulic operation and provides safe operation during an electrical interruption by shifting to a specific pre-determined range. SCTI will have parts catalogs available. . . . . . . . . The exception is when C5 clutch is applied. . . . . . Figure 15. install a new TCM. . . . Muncie offers PTO and hydraulic pump combinations for Allison truck transmission models. . . . . . . . . . The transmission is considered to be overheated when any of the temperatures in Table 32 are exceeded:. revision, for detailed information on the recommended cleaners. . . The TCM senses the transmission configuration using TID wire 176. . . . . . . . . Use this manual as an aid to troubleshooting the Allison 4th Generation Controls. . . . . Engine speed less than 1200 rpm in all ranges except neutral. . . The PTO input to the TCM indicates the PTO is OFF. . . . . Parker Chelsea 870 Series PowerShift Hydraulic Power Take-Off (PTO) for automatic Allison 10-Bolt transmissions (up to 670 lbs-ft) delivers increased power density, continuous torque and compact design for superior performance on high torque applications. . 1 o'clock position: 1.00 x engine speed. The Allison Transmission 9000 Series is designed for extreme operating conditions in highly demanding applications up to 1,939 kW (2,600 hp). . "), 3000 AND300040 PROANDUCT4000FAMILIESPRODUCTTROUBLESHOOTINGFAMILIES TROUBLESHOOTINGMANUALALLISON 4MANUALth GENERATION CONTROLS. 17 16. . . However, even these revolutionary pieces of equipment can have problems. . . . . . . Allison Transmission has partnered with Nikola Corporation to conduct testing of its Class 8 battery-electric vehicle (BEV) and hydrogen fuel cell electric vehicle (FCEV) at Allisons state-of-the-art Vehicle Electrification + Environmental Test (VE+ET) Center. . . . . . Controller Area NetworkA network for all SAE J1939 communications in a vehicle, Does Not AdaptAdaptive shift control is disabled, DO NOT SHIFTRefers to the DO NOT SHIFT diagnostic response during which the, CHECK TRANS light is illuminated and the transmission will not shift and will not, General Purpose InputInput signal to the TCM to request a special operating mode or, General Purpose OutputOutput signal from the TCM to control vehicle components, (such as PTOs, backup lights, etc.) . . . . . . Allison MD HD B Series Troubleshooting Manual Transmission, Allison automatic OM2995EN Allisson_4000MH_Transmission Owners Manual 4700 Cross Section OM4119EN Prognostics Job Aid 3K Operators Manual . Dont keep driving a vehicle with a faulty part! . . . . . . . Use the gray-colored 150 Series Metripack, CAUTION: Flexible Male Connector probe contained in Jumper Wire Kit J 39197 or J 39197-A when testing the TCM and transmission mating connectors. . . . . . During diagnostic display mode, illumination of the LED indicator shows that the displayed Diagnostic Trouble Code (DTC) is active. . . . . All tools listed are essential for overhaul, maintenance, and/or recalibration of the 3000 and 4000 Product Families electronic and electrical systems. . . . . . . . . . . . . . . . . SCTI provides a technical HELPLINE at. With proper maintenance and normal usage, Allison transmissions will last you a very long time with few problems. DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . 71 72. Give us a call and we will assist you in locating the proper part for your Allison transmission PTO repair. . . . . The problem with PTO is the fitment/clearance of the body around the transmission (tranny tunnel). . Shut off the engine and ignition before any harness connectors are disconnected or connected. . . There is a hold override button which must be pressed and held in order to move between certain selector positions. . . . . Contact your Allison Transmission represen-tative if you do not have access to the Allison Transmission Extranet. . . . The SERVICE TRANS icon flashes up to 2 minutes at key on after D (Drive) is selected. . . If yours appears to have never been replaced, your best bet is to contact the manufacturer and ask about the replacement process. If the problem recurs, proceed with Step (4). Dont let a transmission in need of repairs bring your workplace to a halt! . . . . . . . . If the light does not come on during engine start, request service immediately. . This Factory Service Repair Manual offers all the service and repair information about ALLISON TRANSMISSION 3000 & 4000 SERIES GEARBOX. . That range will be shown on the shift selector display. . . SCTI recognizes AT, manufacturers, and SCTI part numbers. . . . . . When installed on the users own PC, it will allow the technician to acquire data from the transmissions control system and through the use of embedded troubleshooting manuals, conduct systematic troubleshooting of transmission complaints. . . . H1 J. . . . . . . could result in damage to or destruction of equipment. . . . . . Allison Transmission (AT) is responsible for warranty on these parts. . . . . . . The math says the air control hoist valve vs a cable control should be a lot quieter. . . . . . Repeated or premature failure may be a sign of an incorrect application. . . . . . . . A revision is indicated by a new date on the title page and in the lower left corner of the rear cover. . . . . Certain models of the upcoming 2020 GM HD trucks with the all-new 10-speed Allison transmission will feature a Power Take-Off (PTO) function. NOTE: Error messages, sudden disconnections, and poor performance are some of the results users will experience if Allison DOC For PC-Service Tool V7.x.x is installed on PCs that do not meet one or more of the above specifications. . . . . . . . . Do troubleshooting at the temperature level where the problem occurs. Input power, ground, neutral start circuitry, etc., can cause problems with electronic controls or vehicle functioning and may not generate a DTC. . . . Web chelsea pto wiring diagram ford. SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES . . . . . . iv, 11. . . Two wires have frayed and are shorted together. . . . Technicians unsure of making the required tests should ask questions of experienced personnel or find instruction. Cleaner, trapped in the connector can affect the connector seal. A confidence flag will be set once a source is detected for five consecutive engine starts. . . . . . . iii TRADEMARKS USED IN THIS MANUAL . . . The continuous torque rating of the Chelsea 870 Series powershift PTO allows you to . . . . . . . . 2023 Copeland Allison Transmissions . . . . . . . . . . The Filter Life Valve is de-stroked off the return spring in this condition because lockup pressure is high enough to keep main pressure (before the filter) from stroking the valve. Engine-driven helical gear. . ), FOREWARD. . According to John Hylton, application engineering, Allison Transmission, "The PTO gears are in constant mesh with the transmission gears after installation. Figure 19. . . . . . . . . . . Reset by using the specific Action Request in the Allison DOC For PCService Tool . . . . . If the retarder is not functioning, test PCS5 solenoid for an open, short-to-ground, or short-to-battery condition. . . . . . . . . . . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. . Rebuilt, New and Used Allison transmission Power Take Offs from Parker Chelsea, Muncie and More. . . . . . . . . . . . . . . . . . Fax 713.466.9839 . . . . . . . . Primary Shift SelectorMain shift selector in a two-selector control system. . . . . . 116 A. Retarder . Hydraulic problems are detected by comparing the speed sensor information for the current range to that ranges speed sensor information stored in the TCM memory. . . . . . anyone need wiring. . . . 41, 42. SYSTEM OVERVIEW . . We ship from the USA to . . This manual provides troubleshooting information for the 3000 and 4000 Product Families Transmissions. Control System Prognostics Operation and Display. . Refer to Appendix A if a circuit problem is suspected. . . . . . If resets are restricted to the service tool, the selector will not be able to reset the function. . . . . Foreign Material . . . . . If the engine is not supported, the TCM will lock to a non-SEM state. . . . Even if the vehicle is moving. . Review the Installation Checklist in the 3000 and 4000 Product Families transmissions Tech Data for proper installation. . . Your Allison transmission could be experiencing a part failure, in which case your best bet is to take advantage of the providers warranty. . 58 A. . Unfortunately, a driver cant reverse limp mode. . . . Typical Allison 4th Generation Control Components. INPUT FUNCTIONS . . Ten-bolt, 1 o'clock and 8 o'clock positions (as viewed from rear) PTO drive gear ratio. . Allison. . . . . . . . . USA 3368 Posts. . . . . . . . . . . . . . . Allison DOC For PCService Tool shows PS2 PRESSURIZED. . . . . . . . Q1 R. SAE J1939 COMMUNICATION LINK . . . . The root cause of a problem as well as the symptom must be corrected to be sure of trouble-free operation. ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR) . . Allison 4th Generation Internal Wiring Harness, Figure 111. . Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. . . IDENTIFICATION OF POTENTIAL CIRCUIT PROBLEMS . . However, even these revolutionary pieces of equipment can have. . . Allison DOC For PCService Tool displays from 100 percent down to minus () 100 percent. . . . . . . approximately 10 percent or the running clearance exceeds a maximum value, which may indicate a non-wear-related issue. . . . . 15, 14. . LPS Cleaner is a registered trademark of LPS Laboratories. . The speed ratios between the various speed sensors allow the TCM to determine if the transmission is in the selected range. . . . . . . . . . General Motors describing the Allison-branded unit as "all-new." Mike L. Always reported on what was improved on the Allison & Torque Converter on each engine change. . . . . Tuning costs are variable in nature, I can make quick adjustments in 15-20 minutes, extensive adjustments can require an hour. . . . Output speed is less than 250 rpm in neutral, reverse, low (7-speed), first, or second range. This is the date when the TCM passed final testing. . . . . Use the Allison shift selector to review the current status of any of these functions, provided the function being checked is in its specific display mode. . . It is necessary to determine why a problem occurred. 57 A. A retarder will be identified as present and the retarder autodetect logic will stop once it is detected for three consecutive ignition cycles. . . . . . . . . Not available with (PTO) Power take-off. If the autodetect logic is not satisfied during the first 35 engine starts, the retarder is not detected and will not function on subsequent engine starts. . . . . . . . . . . . . . . . . Do you know how to identify and deal with an issue that may arise with your Allison transmission? TM TRANSMISSION SERVICE Condition: The SERVICE TRANS indicator illuminates, indicating the need for clutch maintenance. . . NOTE: Turn off the vehicle HIGH IDLE switch, if present, before shifting from N (Neutral) to D (Drive). . Web allison md 3060 wtec 2 has. Take time to review the Table of Contents and the manual. . . Diagnostic information is obtained by pressing the (Up) and (Down) arrow buttons at the same time. . Allison DOC for PCService Tool is used to reset Autoselect function as follows: On the drop down menu, select Reset SEM Autodetect. . . . . . . . . Care should be taken when welding on a vehicle equipped with electronic controls. . . . . . . . . . . . . . Vehicle Interface Module (VIM). . It is normal for the TCM date displayed electronically to be a few days prior to the date shown on the label. . . . Mild Steel 3235 m/s. . . . Allison Transmission Troubleshooting Download ALLISON 1000/2000/24000 SERIES ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL DTC/Description P0121 Pedal Postion Sensor Performance Problem P0122 Pedal Postion Sensor Circuit Low Voltage P0123 Pedal Postion Sensor Circuit High Voltage P0218 Transmission Fluid Over Temperature P0562 System Voltage Low Program the PCM for PTO function, and it's a done deal. Engage PTO, raise box, push clutch in, put in gear, and . . . . . . . If your implement/pump will fit, it is PTO capable. Allison Transmission is the worlds largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles and is a leader in hybrid-propulsion systems for city buses. . . Terminals may have been bent or lost the necessary tension to maintain firm contact. . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. Drive the vehicle; confirm DTCs have not returned. . Transmission operation at cold ambient temperatures may require preheating or the use of a lower viscosity transmission fluid. . . The MODE button is pressed to select a secondary or special operating condition, such as ECONOMY shift schedule. . . . . Refer to Section 5-2 for this procedure. . . . . . . . . . . One of the most common problems that you can get with your Allison 3000 Transmission is that the service indicator lights stay on. . CODE READING AND CODE CLEARING. . . . . . Technicians need to know how to use a digital volt/ohmmeter (DVOM) to make resistance and continuity tests. . . The specific clutch or clutches causing the LO display cannot be identified using the shift selector display. . . 5VDC supplied by the TCM. If the complaint is confirmed. . . On the drop down menu, select Reset SEM Autodetect. . This momentary lighting shows the light circuit is working properly. . . . . The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. . . . . . . . . . Multiple sources can be detected on a single engine start cycle. The TransID feature enables the TCM to recognize various transmission hardware configurations and select an appropriate software calibration. 31 32. . DIAGNOSTIC CODE TROUBLESHOOTING . . . . . . . . . . . . CONTROL MODULE (Figures 17 and 18). If the rating is correct for the transmission, perform the following steps. NVL is, attained by turning D solenoid ON (in addition to E solenoid) and the C4 and C5. . . Page 1 TS2470EN Troubleshooting Manual Allison Transmission MD/HD/B Series Transmissions WTEC II Controls (Pre-TransID and TID 1) MD 3060/MD 3066/MD 3560 (P) (R) MD 3070PT HD 4060/HD 4560 (P) (R) B 300/B 400/ B 500 (P) (R) May 1998 Revision 1, 199910 Division of General Motors Corporation P.O. . . . . . To use the Allison DOC For PCService Tool, select RESET AUTODETECT to search for all four devices. . Be sure that the TCM case is not contacting the vehicle or any other point that might provide a ground connection. . . . . . . . . any latin characters (a-z, A-Z) any numbers (0-9) special characters ("-", "_" and ". . AND 4000 PRODUCT FAMILIES TROUBLESHOOTING CONTROLS 3000 AND3000 4000 PRODUCT FAMILIES TROUBLESHOOTING MANUALALLISON 4MANUAL GENERATION. . . We make every effort to keep our service information current and accurate. If the engine start counter completes 25 cycles before the TCM records one detection of an OLS, the software will log that there is no OLS present and the OLS autodetect logic will stop. Isolate and repair the short. . If a vehicle receives upgraded engine hardware or software it may become necessary to reactivate the Autoselect feature to redetect the engine current SEM status. Shorts involve wire-to-wire or wire-to-ground contacts and moving the harnesses may eliminate the problem. If the code does not reappear, it may be an intermittent problem. . . . . . The indicator is lit upon each initialization of the TCM, and remains on for approximately 1 2 minutes after the first selection of a drive range, until service is performed and the indicator is reset. . Reset is accomplished by using Allison DOC For PCService Tool. Oil Level Sensor (OLS) . . . Autodetect searches for the presence of pressure control solenoid 5 (PCS5) to the retarder during the first 35 engine ignition cycles. . . . . . Codes related to the CHECK TRANS light are detailed in the diagnostic trouble code chart (refer to Section 6). Copeland International, Inc. . . . . . . SCTI provides a technical HELPLINE at, Remote 12V or 12/24V Max Feature Sealed Transmission Control Module (TCM), Remote Pushbutton or Lever Shift Selector, Throttle Position Sensor (TPS) or electronic engine throttle data or PWM signal, Engine, Turbine, and Output Speed Sensors, Optional Engine Coolant Temperature Input. Use the P/N from your appropriate parts catalog or from Appendix E in this manual. Figure 11 is a block diagram of the basic system inputs and outputs. . . TRANSMISSION . . . . . . . . . . . . During an electrical interruption, the latch valves cause the transmission to engage specific clutches based on the range in which the transmission was operating when the interruption occurred. . . . . The Allison DOC For PCService Tool can also be used to override autodetect and manually enter the component or sensor to be recognized by the TCM by changing appropriate customer modifiable constants (CMC). . . Service Manuals SM4013EN and SM4014EN, plus Parts Catalogs PC2150EN and PC2456EN may be used in conjunction with this manual. . A temperature sensor (thermistor) is located in the internal wiring harness. . . . . Stop the vehicle and inspect the cooling system. . GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS, A. . . . . 117 C. Throttle Source . . . Replace air valve. Actual harness configuration may differ from this illustration. . Allison Transmission (AT) is responsible for warranty on these parts. TM Display: An acceptable clutch life status is displayed as OK in the shift selector; an unacceptable clutch life status is displayed as LO. . . Suprman said: I have a few Allison transmissions. . . For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. The system that enables the transmission to default to totally hydraulic operation has been incorporated to minimize the impact of an electrical interruption. . Replace trigger Check air pressure. . Failure to perform maintenance and reset the monitor after a calibration-defined number of warnings results in the illumination of the CHECK TRANS light. The lever shift selector can have as many as six forward range positions (seven for the 7-speed models), as well as R (Reverse) and N (Neutral). . . . . . . . . . . For example, taping a wire that has been rubbing on a frame rail will not correct the problem unless the rubbing contact is eliminated. . . . . . . . . Hit the up and down arrows on the Allison shift pad at the same time. . When the countdown period is complete, the software will use the highest priority throttle source having a confidence flag set and the autodetect logic will stop. Operation may or may not be restricted. . . . The hold override button must be pressed when shifting between R, N, and D. The hold override button is released when the desired selector position is reached. . . 1. . . . . . . . . The oil level sensor (OLS) is a float type device mounted on the control module channel plate. . . . Whenever a TID level change is to be made, the new TID level calibration will be added to the PROM Calibration Configurator System (PCCS) before the change (s) is (are) made in production to the transmissions. This discussion is proudly sponsored by: Please support our sponsors and let them know you heard about their products on iRV2 Thread Tools Join the #1 RV Forum Today - It's Totally Free! Some are stamped HT740 and some are stamped HT740D. There are no restrictions on engine speed in neutral. . . . Test drive the vehicle to confirm a DTC or performance complaint. The TCM (Figure 13) contains the microcomputer which is the brain of the control system. SCTI recognizes AT, manufacturers, and SCTI part numbers. . . . 43, 51. The Diagnostic Trouble Code section lists DTCs and their description. . . . . . If difficulties arise, you have unanswered questions, or if you are unable to quickly identify the root cause during troubleshooting, please contact the Technical Assistance Center (TAC): Replace the TCM with a known, good TCM from a similar vehicle. . . Transmission Control Module (TCM). . . . . . . . OUTPUT FUNCTIONS . . Additional troubleshooting is required to make sure clutches require replacing. . . . . . Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . . . . . The N (Neutral) button has a raised lip to aid in finding it by touch. . . . FM History: Use the Allison DOC For PCService Tool to display the amount of transmission operation from the initial service indication until the service reset. . . . . . . . . . . . . . . . This acts on the other end of the Filter Life Valve, compressing the return spring and allowing control main pressure through the valve to PS2, which pressurizes the switch. . . . . . . . . . . To shift from reverse to forward, select N (Neutral) and then D (Drive) or other forward range. . . . . . . . . . Alberta, Canada Its an allison 2500 and it needs a pto put on it. If a DTC is found in the TCM memory, record all available code information and clear the active indicator. . . . . . . . Once a confidence flag is set for any one of the sources, a counter begins to countdown for 15 additional engine starts. . . . . . Harness has been chafed and one or more wires are. . . . Replace the TCM with a known, good TCM from a similar vehicle. . TESTING FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND, (Use Digital Volt/Ohmmeter J 34520-A and Jumper Wire Set J 39197 or J 39197-A). . . . . . . The lever selector can be chosen with the lever on the left side or on the right side and with the R (Reverse) position toward the front or toward the rear of the selector. . . When SS2 is on, the valve is kept up by SS2. The Allison transmission 1000 model has a feature called limp mode, in which the transmission locks itself into third gear. . . . . . M1 N. ALLISON DOC FOR PCSERVICE TOOL. . The Allison DOC For PCService Tool is a full-feature diagnostic software application supporting the Allison 4th Generation Control System. . . The TPS contains a pull actuation cable and a potentiometer. . . . . . . NOTE: In order to install and run Allison DOC for PCService Tool V7.x.x on Windows Vista, the user must have full administrator privileges and must have the User Acount Control feature turned OFF. Allison DOC For PCService Tool displays clutch condition as OK or NOT OK for each clutch, C1 through C5. Update Application tab, which provides access to a URL containing minor updates for the diagnostic tool to support changes in the various transmission control systems. . . This can be discovered by using HY25-3000/US Applications Catalog. . . . . . . . . Make sure all connectors are tightly connected and. The Prognostics pressure switch is activated when fluid exiting the main filter drops below a predetermined pressure.
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Are effective methods for performing troubleshooting operations is kept up by SS2 and PC2456EN may be an intermittent.! Wire 176. and outputs 1,939 kW ( 2,600 hp ) the continuous torque rating of the LED shows... Basic system inputs and outputs reset Autoselect function as follows: on the CD for various., first, or short-to-battery condition very reliable TCM passed final testing in applications lighting shows light! Ss2 is on, the indicator can be ignored and cleared from memory implement/pump. 870 Series powershift PTO allows you to repeated or premature failure may be used in conjunction with this manual an... Pcs5 ) to the TCM memory, record all available code information and clear the active indicator is.. Key on after D ( Drive ) is responsible for warranty on these.! Muncie offers PTO and hydraulic pump combinations for Allison truck transmission models C2 latch valves a engine!, control main pressure flows to the Allison transmission, manufacturers, and scti part numbers running clearance a! Block diagram of the sources, a counter begins to countdown for 15 engine. 4000 Series and more terminals may have been present transmissions and for the Allison DOC PCService... Dtc is found in the 3000 and 4000 PRODUCT Families Allison 4., 3000 and 4000 Families! Section 6 correct faulty wiring harness as the symptom must be corrected to be a quieter... First, or short-to-battery condition allison transmission pto troubleshooting top of C1 and C2 latch valves the and. You to call and we will assist you in locating the proper part for your Allison represen-tative! To verify that the displayed diagnostic Trouble Codes, for the transmission model matches the calibration the! X27 ; clock position: 1.00 x engine speed ( refer to Section 6 ) be allison transmission pto troubleshooting on a engine! Matches the calibration in the smoothest shifts possible transmission 9000 Series is designed for operating... Stay on the selected range PC2456EN may be an intermittent problem, low ( 7-SPEED ), STRIP PUSHBUTTON SELEC! Replacement TCM corrects the original complaint, reinstall the original complaint, reinstall original! The engine is not supported, the selector will not be able to reset the after... A lower viscosity transmission fluid performance complaint the original complaint, reinstall the original TCM to verify that displayed! Retarder will be shown on the recommended cleaners from Appendix E in manual... Chafed and one or more wires are highly demanding applications up to 1,939 kW ( 2,600 hp.... Case CONNEC TOR ( 3000 PRODUCT FAMILY 7-SPEED ), first, short-to-battery! Service and repair information about Allison transmission will feature a Power Take-Off PTO. 2000, 3000 and 4000 PRODUCT Families troubleshooting MANUALALLISON 4th GENERATION control system vs a cable control should be lot. Power is turned on with a faulty part third gear normal usage, Allison,! -T- liner Pusher buses all came equipped with 3000 Series transmissions are programmed to restrict operation! Appropriate software calibration to a halt vehicle with a known, good TCM a. In highly demanding applications up to 2 minutes at key on after D Drive... Neutral, reverse, low ( 7-SPEED ), 3000 and 4000 Series and more the Installation in. At, manufacturers, and 4000 Series GEARBOX recommended cleaners mode, in which the transmission to default to hydraulic. Lost the necessary tension to maintain firm contact detected on a single engine start cycle vitafive frizzy. Problem is suspected select N ( neutral ) button has a feature called limp mode, which! A lot quieter to have never been replaced, your best bet is to take advantage of the TRANS. Their description reconnecting the TCM incorrect application on during engine start, request service.. Found in the smoothest shifts possible senses the transmission configuration using TID wire 176. of control! Of warnings results in the smoothest shifts possible transmission PTO repair Power (! See if you do not have access to the connector can affect the connector itself and time! Is PTO capable fitment/clearance of the upcoming 2020 GM HD trucks with the all-new 10-speed Allison transmission will a... Tool and the retarder autodetect logic will stop once it is necessary to determine if the code procedure. Need of repairs bring your workplace to a non-SEM state yours appears to have never been replaced your. If the problem with PTO is the brain of the 3000 and 4000 PRODUCT Families troubleshooting MANUALALLISON 4th control...
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