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Home >> Jeep >> 2014 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> P0817-Starter Disable (P/N) Circuit/Open >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.

CHECK IF TCM IS CORRECT 

  1. Flash and reprogram the TCM with the correct software in accordance with the Service Information.
  2. Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .

    Did the DTC reset after the Verification Test?

    Yes 

    • Using the schematics as a guide, check the Transmission Control Module (TCM) pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the TCM in accordance with the Service Information. Refer to MODULE, TRANSMISSION CONTROL .
    • Perform the NAG1 TRANSMISSION VERIFICATION TEST. Refer to STANDARD PROCEDURE .

    No 

    • Test Complete.
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