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HOMESERVICE MANUALSJEEP2023WAGONEER SERIES II, RWDREPAIR AND DIAGNOSISTRANSMISSIONTRANSFER CASEDRIVETRAIN CONTROL MODULE (DTCM) - VERIFICATION TESTSSTANDARD PROCEDUREDTCM VERIFICATION TEST
2023 Jeep Wagoneer Series II, RWD

DTCM Verification Test

2023 Jeep Wagoneer Series II, RWDSECTION DTCM Verification Test
NOTE:

The DTCM learns the relative clutch position (Kisspoint) in order to adapt to normal wear of the clutch over its lifespan. If any clutch related components are replaced, the Kisspoint must be relearned by initiating a Non-Volatile Memory Reset (Clear T-Case Adaptives) with the scan tool.

DRIVETRAIN CONTROL MODULE (DTCM) VERIFICATION TEST 

NOTE:

If the DTCM, Powertrain Control Module (PCM), or Body Control Module (BCM) was replaced, refer to the Service Information for proper programming and alignment procedures.

  1. Reinstall any removed components.
  2. Reconnect any disconnected electrical connectors.
  3. Be certain the battery is fully charged.
  4. With the scan tool, erase DTCs.
  5. Remove the scan tool from the Diagnostic Link Connector (DLC).
  6. Turn off all accessories.
  7. Turn the ignition off and close all doors. Wait 30 seconds.
  8. Operate the vehicle under the conditions that originally set the DTC or caused the symptom.
  9. With the scan tool, read DTCs.

    Are any DTC(s) or symptoms present?

    Yes 

    • Perform the related diagnostic procedure for the DTC(s) or symptom.

    No 

    • Test complete. To operate the Transfer Case in all possible modes of operation, perform the TRANSFER CASE VERIFICATION TEST. Refer to TRANSFER CASE VERIFICATION TEST .
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.