Diagnostic Test

2023 Dodge and Ram Durango R/T Plus, AWDSECTION Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR OTHER TCM DIAGNOSTIC TROUBLE CODES (DTCS) 
    1. With the scan tool, read Transmission Control Module (TCM) DTCs and record on the repair order.

      Are any other TCM DTCs set?

      Yes 

      No 

      • Go To  2
  2. CHECK FOR POWERTRAIN CONTROL MODULE (PCM) DTCS 
    1. With the scan tool, read PCM DTCs.

      Are any PCM DTCs set?

      Yes 

      No 

      • Using the schematics as a guide, check the 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, TRANSMISSION CONTROL (TCM), REMOVAL .
      • Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
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When to See a Mechanic

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.