Endurant HD
TRTS0950 EN-US
|
September 2024 - B

Fault Code 200: TCM Operation 1

J1939: SA 3 SPN 629 FMI 0, 1, 8, 9, 10, 11, 12, 13, 14, 18, 19, 20, 21

Overview

The Endurant HD transmission is equipped with a Transmission Control Module (TCM). The TCM communicates with other vehicle Electronic Control Units (ECUs), receives feedback from sensors and actuates solenoids to control transmission operation. The TCM is mounted to the transmission and connected to the 20-Way TCM Vehicle Harness Connector and 20-Way TCM Body Harness Connector. The TCM is connected to the transmission sensors and solenoids at the 74-Way Transmission Harness Connector.

Detection

The TCM performs a self-check during operation. If a failure is detected, the fault is set Active.

Conditions to Set Fault Code Active

FMI 0 – Data Valid But Above Normal – Most Severe: The TCM has detected an internal processing error.

FMI 1 – Data Valid But Below Normal – Most Severe: The TCM has detected an internal processing error.

FMI 8 – Abnormal Frequency: The TCM has detected an internal processing error.

FMI 9 – Abnormal Update Rate: The TCM has detected an internal processing error.

FMI 10 – Abnormal Rate of Change: The TCM has detected an internal processing error.

FMI 11 – Root Cause Unknown: The TCM has detected an internal processing error.

FMI 12 – Bad Intelligent Device: The TCM has detected an internal processing error.

FMI 13 – Out of Calibration: The TCM has detected an internal processing error.

FMI 14 – Special Instructions: The TCM detects it is installed on the wrong transmission model.

FMI 18 – Data Valid But Below Normal - Least Severe: The TCM has detected an internal processing error.

FMI 19 – Received Network Data Error: The TCM has detected an internal processing error.

FMI 20 – Data Drifted High: The TCM has detected an internal processing error.

FMI 21 – Data Drifted Low: The TCM has detected an internal processing error.

Fallback

0, 1, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21:

  • Amber warning lamp on
  • No degraded modes

FMI 14:

  • Amber warning lamp on
  • Engine will not crank
  • Non neutral modes prohibited
  • Clutch engagement prohibited
  • PTO mode prohibited

Conditions to Set Fault Code Inactive

FMI 0, 1, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21: Key cycle

FMI 14: The TCM is installed on the correct transmission model.

Possible Causes

FMI 0, 1, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21:

  • TCM
    • Software issue
    • Internal failure

FMI 14:

  • TCM
    • Incorrect TCM installed on transmission
    • Incorrect MTM Type configured

Additional Tools

  • Endurant HD Service Manual TRSM0950

Component Identification

_Graphics/LineArt/TRTS0950_ComponentID_onlyTCM.png

1. Transmission Control Module (TCM)

Fault Code 200 Troubleshooting

A
Purpose:Check for active or inactive fault codes.

  1. Set vehicle parking brake and chock wheels.

  2. Record the transmission fault codes, FMIs, occurrences, and timestamps from the Service Activity Report created during the Diagnostic Procedure.

  • If Fault Code 200 FMI 0, 1, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21 is Active or Inactive, Go to Step B

  • If Fault Code 200 FMI 14 and all the following fault codes are Active:

    • Fault Code 275 FMI 5
    • Fault Code 295 FMI 8
    • Fault Code 315 FMI 8
    • Fault Code 320 FMI 8

    Note: Fault Code 596 FMI 5 may also be Active depending on MTM Type configured in TCM.

    Go to Configure Mechatronic Transmission Module (MTM) Type. Go to Step V

  • If Fault Code 200 FMI 14 is Active, the TCM installed on the transmission is not correct for the transmission model. Verify the transmission model number and install the correct TCM. Go to Step V

  • If Fault Code 200 FMI 14 is Inactive, the TCM is installed on the correct transmission model. Test complete, Go to Step V

B
Purpose:Verify TCM software.

  1. Key off.

  2. Allow TCM to perform a complete power down.

  3. Key on with engine off.

  4. Connect ServiceRanger.

  5. Go to “Programming”.

  6. Under “Software Information”, record TCM software in table.

  • If a TCM software update is available, update TCM software. Go to Step V

  • If the TCM is at the latest available software, Contact Eaton Cummins Automated Transmission Technologies for further diagnostic instructions. For Help Line phone numbers, go to Contact Information. Go to Step V

TCM Software
V
Purpose:Verify repair.

  1. Key off.

  2. Reconnect all connectors and verify that all components are properly installed.

  3. Key on with engine off.

  4. Connect ServiceRanger.

  5. Go to “Fault Codes”.

  6. Select “Clear All Faults”.

  7. Operate vehicle and attempt to reset the fault code or duplicate the previous complaint.

  8. Check for fault codes using ServiceRanger.