LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (8HP70 Automatic Transmission - DTCS P0219-00 To P1D92-00) >> DTC Troubleshooting >> P167A-00-Calibration Mismatch >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

PROGRAM THE TRANSMISSION CONTROL MODULE (TCM) 

NOTE:

Controller is programmed with generic boot and trim calibrations and will not allow the correct vehicle Powertrain management.

  1. With the scan tool, attempt to program the TCM with the latest calibrations in accordance with the Service Information.

    Were you able to program the TCM successfully?

    Yes 

    No 

    • Using the schematics as a guide, check the Transmission Control Module (TCM) connector and all related in-line connector terminals for corrosion, damage, or pushed out terminals. Pay particular attention to the power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information. Refer to MODULE PROGRAMMING
    • Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .