Diagnostic Test

2023 Dodge and Ram Durango SRT 392 PlusSECTION Diagnostic Test
  1. VERIFY THE DTC IS ACTIVE 
    1. Turn the ignition on.
    2. With the scan tool, read DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go To  2

      No 

      • Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. CHECK THE (L656) RIGHT REAR TRAILER TURN LAMP CONTROL CIRCUIT FOR A SHORT TO VOLTAGE IN THE HARNESS 
    1. Turn the ignition off.
    2. Disconnect the PDC C7 harness connector.
    3. Turn the ignition on.
    4. Measure the voltage between ground and the (L656) Right Rear Trailer Turn Lamp Control circuit at the PDC C7 harness connector.

      Is there any voltage present?

      Yes 

      • Using the wiring diagrams as a guide, repair the short to voltage in the (L656) Right Rear Trailer Turn Lamp Control circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. INSPECT RELATED WIRING AND CHECK FOR TSBS 
    1. Turn the ignition off.
    2. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the PDC and the BCM.
    3. Look for any chafed, pierced, pinched, or partially broken wires.
    4. Look for broken, bent, pushed out or corroded terminals.
    5. Perform any Technical Service Bulletins that may apply.

      Were any problems found?

      Yes 

      No 

RENDER: 1.0x

NO RELATED

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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.