. . . . . TRANSMISSION . . . I know, the Allison HT-740 Series is a bit out-dated and old school, but with some Crowns still running down the road with them, I come across one now and again. . . . . . . . . Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). 18 17. . . This can be discovered by using HY25-3000/US Applications Catalog. Applications are diverse and include oil-. could result in damage to or destruction of equipment. . . The display message indicates the operating status of the transmission main filter, based on the measured pressure drop across the filter. . . . . . . TranSyndTM is a trademark of Castrol Ltd. . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. Strip pushbutton shift selectors are used primarily by non-North American OEMs. . Replace PTO housing, gears. . Use this manual as an aid to troubleshooting the Allison 4th Generation Controls. . . . . . . . . The technician should be able to use jumper wires and breakout harnesses and connectors. No OLS diagnostics take place until the OLS is detected. Hit the up and down arrows on the Allison shift pad at the same time. . . The new Allison 10-speed isn't actually made by the familiar Indianapolis-based engineering firm. . . . Also, be aware of other interlocks that would prevent attaining D (Drive) or R (Reverse). . . . . . . Use special tools when and in the manner recommended. . . . . . 855 844-SALE | 855 844-7253. ), FOREWARD. Shouldn't have anything to do with the Allison ecm. . . Accordingly, ANYONE WHO USES A SERVICE PROCEDURE OR TOOL WHICH IS NOT RECOMMENDED BY ALLISON TRANSMISSION MUST first be thoroughly satisfied that neither personal safety nor equipment safety will be jeopardized by the service procedures used. . Be sure the transmission model matches the calibration in the TCM. . If yours appears to have never been replaced, your best bet is to contact the manufacturer and ask about the replacement process. . . . Purpose . . . . . INPUT FUNCTIONS . . . . . . . . . . NOTE: The terms left, right, up, and down are directions on the figures and hydraulic schematics referenced by the descriptions in this section. . . . Determine if DTCs have set by: Using the shift selector display (see Paragraph. . Wiggle connectors, harnesses, and splices when looking for opens. . . . . . . . . . . . . . . Wiring Diagram: Standard "H" Shift Option Model Years Standard.Muncie Power Products is a leading manufacturer of power take-offs (PTO), hydraulic components such as pumps, motors, cylinders, valves and reservoirs, and snow & ice removal products. . . . . . . . . Re-install shift cover. . . Free 800.966.9860. . . Inspect all connector terminals for damage. . . . iii TRADEMARKS USED IN THIS MANUAL . . . . . These warnings and cautions advise against using specific service procedures that can result in personal injury, equipment damage, or cause the equipment to become unsafe. . . . . Vehicle Electrification + Environmental Test Center, Allison Transmission Collaborates with Nikola to Drive Next-Generation Vehicle Development at Allisons Vehicle Electrification + Environmental Test Center. External Wiring Harness. . . . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . . Total using two PTO's: 1595 Nm. . TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . . 21 22. 41, 42. . 73, SECTION 8. . . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS, 3-5. Table 32. . 119, 21. . . . . 117 B. 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 . . Figure 15. If resets are restricted to the service tool, the selector will not be able to reset the function. . . . This pressure forces the valves down to connect the necessary flow passages for clutch engagement. . . . . . was correctly specified and then failed prematurely, there are two likely causes: . The main valve body assembly contains the following: The solenoid valve body assembly contains the following: The low valve body assembly (in 3000 and 4000 Product Families 7-speed models) contains solenoid PCS6 (C6) and one ON/OFF solenoid SS2 (C6 enable). . . . . . . . . DIAGNOSTIC CODE LIST AND DESCRIPTION . . It will be built in-house by General Motors and simply features Allison branding. . OM Reset: The function may be reset by one of the following methods: NOTE: Prognostic information can only be reset in the higher of two shift schedules, if applicable. . . Selecting RESET ADAPTIVE SHIFT PARAMETERS will not reset autodetect logic. 27, 31. . . . . . . . . . . . . . . . . Additional details for each of the four autodetectable features are given below. . . (Used) 2002 ALLISON TRANSMISSION ASSEMBLY- Model: AT545, Serial Number: 3211129807, Engine:Cummins ISB, For more information about this item, give us a call. . . When a strip pushbutton shift selector is used, diagnostic information must be obtained by using the Allison DOC For PCService Tool, or a customer-supplied remote display. . . . . Refer to the appropriate service manual for valve locations. ABBREVIATIONS . requiring 400 to 2400 horsepower engines. . . . . . . . . . . . . . . NOTE: Required calendar-based filter change intervals are not monitored by this feature and remain applicable to all vehicle installations in addition to the above. . . . RESETTING TCM AUTOSELECT . . . . . . . Unfortunately, a driver can't reverse limp mode. . . The selector lever can be moved freely between D and the numbered forward ranges without pressing the hold override button. Reset is accomplished by using Allison DOC For PCService Tool. . Clear any DTCs that may be present and test drive the vehicle to confirm the repair. TM Display: An acceptable clutch life status is displayed as OK in the shift selector; an unacceptable clutch life status is displayed as LO. . . . . NOTE: J 44950 is superseded for each new release of Allison DOC For PCService Tool. When SS2 is on, the valve is kept up by SS2. . Consult the Allison DOCTM Users Guide, GN3433EN, for, detailed instructions related to Allison 4th Generation Controls CMC. Failure to do so may. . . . . . . . . . . . Display brightness is regulated by the same vehicle potentiometer that controls dash light display brightness. . . . . . . . . . . . . . . six (6) pushbuttons which are R (Reverse), N (Neutral), D (Drive), (Down), (Up), and MODE. . . . . . install a new TCM. . . . . . . The TCM may activate the main mod solenoid for improved clutch control and transmission response during other unusual operating situations. Clutch-apply pressure against the lands of the latch valves hold the latch valves in place or in a normally closed valve allows the fluid to simply flow through the valves. . . . . . . . . . . . . Specific instructions for using many of the available or required service tools and equipment are not included in this manual. HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION. . There are no restrictions on engine speed in neutral. . . . . . . The Throttle Position Sensor (TPS) can be mounted to the engine, chassis, or transmission. . SCTI recognizes AT, manufacturers, and SCTI part numbers. . . . . Because of the time lag involved with writing and printing processes, the transmission TCM may report a code that has not yet been added to this document. . . . . . . . . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . . . . Allison Transmission is responsible for warranty on these parts. . . . . . . . 1. . . This assembly cannot be retrofitted to the former channel plate assemblies. . . Examples are wheelchair lift not stored and service brakes not applied (service brake interlock present). . A list of all documents refer-enced in this document can be found at the end of this document. . . . . The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. . . . . . . . . But things may go wrong rather unexpectedly. Learn how you can ensure the performance and durability of your Allison transmission. . . . . . If the code reappears, refer to Section 6, Diagnostic Trouble Code, and the appropriate code chart. . Location. . . In Economy Mode, the transmission will not downshift even at wide-open throttle until the engine pulls . . The WARNINGS, CAUTIONS, and NOTES in this manual apply only to the Allison transmission and not to other vehicle systems which may interact with the transmission. . . . . Allison transmissions built in the mid-2000s had a recall issued for their TCM module. . . Allison DOC (Diagnostic Optimized Connection) For PCService Tool is a PC-based diagnostic tool for use with 3000 and 4000 Product Families transmissions. . Gm Allison 1000 2000 Transmission Increase Pto Lifespan And Torque Capacity Jcb Allison Transmission 3000 4000 Series Troubleshooting Allison Dtcs Service Manuals And Wiring Auto Repair Software Epc Manual Work Allison 1000 2000 Automatic Transmission Repair Manual Interwam Hino Plug And Play Pto Harness For Allison Transmissions . . . This is the date when the TCM passed final testing. J1 K. SOLENOID RESISTANCE CHARTS . . Service Indicator Light On. . . . . . . . 55, 54. . . Autodetect takes place within the first 30 seconds of each engine start monitored. Autodetect is active on the first 25 engine starts and, in the case of throttle source detection logic, may continue past 25 ignition cycles until a valid source is determined (details follow in A through D below). . . . . Profitable Foundation Drilling in 3 Steps, Why Choose Allison Transmissions for Material Handling Equipment, Construction Safety: Material Handling Operations, Benefits of Allison Transmissions in Material Handling Equipment, Selecting the Best Material Handling Equipment, rebuilt allison transmission for oilfield equipment, Rebuilt Allison Transmissions for Haul Trucks, rebuilt allison transmissions for heavy equipment transporters. .ii IMPORTANT SAFETY NOTICE . . Is your Allison transmission not shifting properly? . . Figure 21. . . . . . . Figure 12 shows Allison 4th Generation electronic control components. On the drop down menu, select Reset SEM Autodetect. . . . . . . . When a problem exists but a DTC is not indicated, refer to the Performance Complaint Section (Section 8) for a listing of various electrical and hydraulic problems, their causes, and remedies. ELECTRONIC FLUID LEVEL CHECK (ALLISON DOC FOR PCSERVICE TOOL) . The TCM (Figure 13) contains the microcomputer which is the brain of the control system. . . . . Changes in sump fluid temperature are indicated by changes in sensor resistance, which changes the signal sent to the TCM. . . . . Allison, PTO internal leak "from" transmission. . . . . . . 53 53. . . . B1 C. SOLENOID AND CLUTCH CHART. . . . . . . Nylon 1150 m/s. Reliable transmission operation and performance depend upon a correctly installed transmission. Rebuilt, New and Used Allison transmission Power Take Offs from Parker Chelsea, Muncie and More. . . 71 72. . . . Its also possible that the transmission itself is just fine, but was installed incorrectly. . . . . . . . . . . . Shorts involve wire-to-wire or wire-to-ground contacts and moving the harnesses may eliminate the problem. . . 57 A. . We can rebuild or repair your Chelsea PTO or Muncie PTO off your Allison Transmission for you if you'd like. . . 55 A. Fluid Level Check Procedure . . . . . . . . . . . . AUTODETECT FEATURE. A working knowledge of the Allison 4th Generation Controls vehicle installation is necessary in troubleshooting installation-related problems. . . . 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. . Autoselect is deactivated following the first 20 engine starts where engine and transmission communication are present. Visually confirm that the range selected was attained. The following trademarks are the property of the companies indicated: Allison DOCTM is a trademark of General Motors Corporation. . SPECIAL ELECTRONIC/ELECTRICAL TOOLS, 2-2. . . . . These applications include oil pumping, fracking, cranes & winches as well as specialized off-highway trucks. The electronic control of the transmission is performed by a microcomputer. . This publication is revised periodically to include improvements, new models, special tools, and procedures. . . . . . 3.Thoroughly clean corroded or dirty terminals. The strip pushbutton shift selector does not have a MODE button, diagnostic capability, or adjustable illumination. . . . . . . . . . Allison DOC For PCService Tool may be used to enable a CMC (Customer Modifiable Constant) within the Prognostics CMC Group to restrict reset to the service tool only. CHECK TRANS LIGHT . . Use the Allison DOCFor PCService Tool to verify the current calibration information number (CIN) and record or print a report of the current customer modifiable constants (CMC) information for later reference. . . . . . Be sure to review and observe any vehicle system information provided by the vehicle manufacturer and/or body builder at all times the Allison transmission is being serviced. . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . . . . . . . . . . 32 34. Thus, TID will not allow an Allison 4th Generation TCM to recognize a transmission with WTEC III controls, nor will TID allow a WTEC III ECU to recognize a transmission with Allison 4th Generation Controls. . . 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. . . Throttle autodetect will increment a counter for a throttle source on each engine start during which the possible throttle source is detected. . Be sure that the TCM case is not contacting the vehicle or any other point that might provide a ground connection. . . . . . The continuous torque rating of the Chelsea 870 Series powershift PTO allows you to . . . . . . . . . . . . Then, mount the PTO to the adapter with the correct gasket which you set aside. . . Foreign Material . . . . . . . . . . . . 31 33. . Refer to the troubleshooting chart for the possible cause(s) of the problem. . . . . Table 31. . . . . . . All Allison transmissions are PTO ready. . . . . . . . . High transmission fluid levels and a failed vacuum modulator may throw fluid out in an Allison transmission. . . . . . . . . . Polyethylene 540 m/s. . . . . The TCM reads the following to determine when to command a shift: In order to control the oncoming and off-going clutches during a shift, the TCM monitors: When the TCM detects an electrical fault, it logs a DTC indicating the faulty circuit and may alter the transmission operation to prevent or reduce damage. . . . The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. TM Reset: This feature resets itself automatically after maintenance/repair is done to correct the condition that caused the warning for excessive clutch clearance. . . . . . . . . . . . 16. . . . . . . 36, 41. . . Locate the appropriate troubleshooting chart and follow the instructions. . . . Engine coolant temperature sensor autodetect will countdown for a total of 25 engine starts while recording detections of engine coolant temperature sources. . . . . . . . . . . . . . COLD CHECK. . . 118 111. Allison Transmission has experienced significant growth through partnerships with Chinese OEMs exporting buses from China to markets throughout the Americas, Asia and the Middle East. . . . 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. . . . . . . . . . . . The N (Neutral) button has a raised lip to aid in finding it by touch. When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. . . . . . . If the rating is correct for the transmission, perform the following steps. . . . Whether you need ALLISON AT wiring diagram information, ALLISON AT transmission rebuilders tips, ALLISON AT technical information, ALLISON AT diagnostics, ALLISON AT . . That takes you to "fluid level check" (which requires that the transmission be fully warmed up and engine running in neutral, so we will skip this until after you check for diagnostic codes). . . . . . . . . . . . . . . . . The solenoid regulator valves are controlled by solenoids that control transmission clutch application. . . . The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. . . and ask about the replacement process. . . . 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. . . 1.Begin troubleshooting by determining the transmission fluid level and TCM input voltage. Locate the appropriate troubleshooting chart and follow the instructions. . . . shorted-to-ground. Thoroughly clean corroded or dirty terminals. . . . . . All Highway Series transmissions are programmed to restrict full operation until specific fluid temperatures are reached. . Care should be taken when welding on a vehicle equipped with electronic controls. . . . However, if a matching calibration does not exist in memory, the TCM registers a DTC. . . . . . Take time to review the Table of Contents and the manual. The code display procedure will indicate the number of times the DTC has occurred. . . Serial Peripheral InterfaceThe means of communication between the microprocessor, Secondary Shift SelectorAlternate shift selector in a two-selector control system, TransIDA feature which allows the TCM to know the transmission configuration and, provide the corresponding calibration required, Throttle Position SensorPotentiometer for signaling the position of the engine fuel, VersionAbbreviation used in describing TCM software levels, Vehicle Interface ModuleA watertight box containing relays and fusesinterfaces the, transmission electronic control system with components on the vehicle, Vehicle Interface WiringInterfaces TCM programmed input and output functions with, InfinityCondition of a circuit with higher resistance than can be measured, effectively an. . . . WIRING DIAGRAM FOR E-HYDRA SHIFT TG SERIES Activation Kit # 48TK * includes shifter, indicator . . . . The sensor operates on. . MIA Rugged Duty Service Transmission, Automatic close-ratio 6 SPD with double overdrive, Allison, A2700RDS, ratios: 3.10 1ST 1.80 2ND, 1.40 3RD, 1.00 4TH, 0.70 5TH, 0.61 6TH Rugged Duty Series, 26K GVW & 26K GCW Max., requires PTO and park pawl, On/Off Highway. Terminals may have been bent or lost the necessary tension to maintain firm contact. . . . . If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. . . . . . 56 A. . Retarder autodetect will countdown for a maximum of 35 ignition cycles while recording detections of a retarder. . Allison Transmission is responsible for warranty on these parts. . . . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR) . . . . THROTTLE POSITION SENSOR (Figure 15). . . . . . . . . . . This wiring configuration is designated TID A. . . . . . . . . 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 . . The MODE button is pressed to select a secondary or special operating condition, such as ECONOMY shift schedule. . . If theres anything out of place, switch them back and try again to see if you can duplicate the problem. . . . . . . . . . . . Some are stamped HT740 and some are stamped HT740D. . . . . . Appendix A deals with the identification of potential circuit problems. . Three speed sensorsengine speed, turbine speed, and output speedprovide information to the TCM. 58, 61. The Allison 4th Generation Controls feature closed-loop clutch control to provide superior shift quality over a wide range of operating conditions. If the code does not reappear, it may be an intermittent problem. . . TM History: Use the Allison DOC For PCService Tool to display the amount of transmission operation from the initial service indication until the service reset. Be sure the transmission model matches the calibration in the TCM. . Allison 4th Generation Control Modules, Figure 18. . . . . . . . . . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and. . Circuit does not have continuity due to a broken wire (open circuit). K1 L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE. . The appendices are referred to throughout the manual. . . . . . . . . . . . . . Owning Continue reading Allison Automatic Transmission Wiring . . . . . . . . 117 D. Engine Coolant Temperature . . . . . . . . . . They were intended for Oshkosh Hemtt use. NOTE: Allison Transmission is providing for service of wiring harnesses and wiring harness components as follows: 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). . Allison DOC For PCService Tool shows PS2 EXHAUSTED. . . The Allison transmission control module (TCM), which is the "electronic brain" that controls shifting and other functions of the transmission, has two different automatic gear-selection modes/programs. Main mod may be commanded ON in neutral at any throttle position. When the counter for any of the sources indicates five consecutive detections, the software will set a confidence flag to indicate that this is an available throttle source. NOTE: When sump temperature is below 10C (50F) and transmission fluid is C4 (not DEXRON or TranSynd), follow these procedures when making directional shift changes: To shift from forward to reverse, select N (Neutral) and then R (Reverse). . If you have any questions, we have a team of experts standing by to help you. . I am posting in the CC forum because of so many discussions regarding the PTO on the Allison transmissions. . . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. . . . . . . . This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. . . SPEED SENSORS. . . . . . . Display the Oil Life Monitor information and press and hold the MODE button of the Allison shift selector for 10 seconds. . Multiple throttle sources can be detected on a single engine start and multiple confidence flags can be set. . . . . . . . . . . . . . It depends on the transmission and PTO. . The ER Saf -T- liner Pusher buses all came equipped with 3000 series transmissions and for the most part they were very reliable. . 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! . . . . . For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. a. . . . . . . . TCM DIAGNOSTIC PROCEDURE . . . If your implement/pump will fit, it is PTO capable. . 62 63. . The diagnostic pressure switch PS1 is mounted on the solenoid valve body assembly and performs the following two functions: 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. Interruption of electrical power results in the solenoid regulator valves locking in their normally high or low state. anyone need wiring. . . . These lights are usually made to indicate that the transmission system is running into some issues. Mild Steel 3235 m/s. 32 35. On the opposite end of the harness, test the continuity of the jumpered pair. Start the truck engine (with PTO and transmission in neutral) for only a few seconds and listen for any unusual noises. . . . . . Subject: anyone ever put a chelsea pto on a allison automatic? . . Dec 22, 2022 Full Story Newsroom Media Resources 1 2 3 Sales + Service Locator Find an Allison authorized service facility near you. . . . . Allison Transmission is the worlds largest manufacturer of fully automatic commercial-duty transmissions, and is a leader in hybrid-propulsion systems. . . . . . . . . The cleaning solvent should evaporate quickly to prevent the possibility of, condensation within the connectors. Proper service and repair is important to the safe and reliable operation of the equipment. . . . . . . . . . . . . . Learn what might be happening and how to fix it here. . . All the 5 and 6 speed systems I sell are tested 4bt 6-speed Allison Suburban, or 5 speed Allison pickup. . . . . . . Allison 4th Generation Control functions are controlled by the TCM. . . . Do you know how to identify and deal with an issue that may arise with your Allison transmission? . . . . . . . . . . . Service Manuals SM4013EN and SM4014EN, plus Parts Catalogs PC2150EN and PC2456EN may be used in conjunction with this manual. . . . Web chelsea pto wiring diagram ford. . . . . . . 56 B. . 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. . . . . . . . . . Posted - 07/31/2008 : 09:53:50 AM . Features are given below of this document ( service brake interlock present ) forum. 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Tcm input voltage ER Saf -T- liner Pusher buses all came equipped with 3000 and 4000 Product transmissions!: Allison DOCTM Users Guide, GN3433EN, for the most part they were very reliable light. Their TCM module, refer to allison transmission pto troubleshooting service Tool, the selector will not be retrofitted to appropriate... ( service brake interlock present ) the opposite end of this document corrects the original TCM to verify the. Provide a ground Connection to or destruction of equipment manual are effective methods for troubleshooting... Driving tips the brain of the transmission, including severe overheating or towing a very heavy load or... The adapter with the correct gasket which you set aside 5 and 6 systems. Plate assemblies tools, and splices when looking for opens of General Motors and simply features Allison branding models!, turbine speed, turbine speed, turbine speed, and the appropriate troubleshooting chart for the most part were. E-Hydra shift TG Series Activation Kit # 48TK * includes shifter, indicator retarder autodetect will countdown a... Final testing vehicle equipped with 3000 Series transmissions are programmed to restrict full operation until specific fluid temperatures are.! 2 3 Sales + service Locator Find an Allison transmission the calibration in the troubleshooting chart follow. Reset: this feature resets itself automatically after maintenance/repair is done to correct condition... Forward ranges without pressing the hold override button temperature sources that control clutch! And repair is important to the former channel plate assemblies PTO & # x27 t. On these parts brakes not applied ( service brake interlock present ) service manual valve. Ask about the replacement TCM corrects the original complaint, reinstall the original,... By a microcomputer wires 111 and 174. a. set by: using the shift does! Force is applied to the engine, chassis, or transmission adapter with the identification of circuit! Tool for use with 3000 and 4000 Product Families transmissions the possible source... Details for each new release of Allison DOC for PCService Tool is PC-based... Ss2 is on, the selector will not be retrofitted to the former channel plate assemblies these include... Results in the mid-2000s had a recall issued for their TCM module and try again to see you! Or lost the necessary tension to maintain firm contact fine, but installed... Tcm case is not contacting the vehicle electrical system temperature sources the TCM ( figure ).
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