Diagnostic Test

2023 Dodge and Ram Durango SRT 392 PlusSECTION Diagnostic Test
  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, erase DTCs.
    3. Using the Driver Door Lock Switch, lock and unlock the doors.
    4. With the scan tool, read BCM DTCs.

      Does the DTC return?

      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 (P777) DOOR LOCK CONTROL CIRCUIT FOR AN OPEN 
    NOTE:

    This DTC is set when all the door lock motors are inoperative. Check for an open between the BCM and splices.

    1. Turn the ignition off.
    2. Disconnect the BCM C6/F harness connector.
    3. Disconnect the Driver Door Latch harness connector.
    4. Measure the resistance of the (P777) Door Lock Control circuit between the BCM C6/F harness connector and the Driver Door Latch harness connector.

      Is the resistance above 5.0 Ohms?

      Yes 

      • Repair the open in the (P777) Door Lock Control circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

RENDER: 1.0x

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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.