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Home >> Jeep >> 2018 >> Compass Trailhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (Electronic Control Modules (Service Information)) >> Module, Transmission Control (TCM) >> Removal And Installation >> 948TE >> Installation
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Removal And Installation: 948TE: Installation

WARNING: This page is about a different car, the 2019 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

When replacing a Transmission Control Module (TCM), the TCM must be programmed. Failure to properly program the TCM may result in the illumination of the Malfunction Indicator Lamp (MIL) and setting DTC(s). 

NOTE:

If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to determine if alignment of the PROXI configuration data into the new ECU is needed. If PROXI alignment is needed, follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under the Body Control Module (BCM) Miscellaneous Functions menu.

NOTE:

The Valve Body Solenoid Learn procedure must be performed when the TCM and/or valve body is replaced. Failure to perform the Valve Body Solenoid Learn procedure will result in reduced shift quality. 

  1. Place the TCM in position on the transmission.
  2. Install the two upper bolts to hold the TCM to the transmission.
  3. Connect the wire harness connector into the TCM.
  4. Raise and support the vehicle.
  5. Install the two lower TCM mounting bolts and tighten all four TCM bolts securely.
  6. Install the left front tire and wheel assembly. Refer to REMOVAL AND INSTALLATION .
  7. Remove the support and lower the vehicle.
  8. Install the battery tray. Refer to TRAY, BATTERY, REMOVAL AND INSTALLATION .
  9. Install the engine cover. Refer to COVER, ENGINE, REMOVAL AND INSTALLATION .
  10. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.
  11. If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to align the PROXI configuration data into the new ECU. Follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under Body Control Module (BCM) Miscellaneous Functions menu.
  12. Perform TCM programming and verification. Refer to MODULE, TRANSMISSION CONTROL (TCM), MODULE PROGRAMMING .
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