2011 Chrysler 300 Base, GasFACTORY OEM SERVICE PROCEDURE

Diagnostic Test

  1. DTC IS ACTIVE 
    NOTE:

    Diagnose all CAN B and C communication DTCs before continuing.

    1. Ignition on, engine not running.
    2. With the scan tool, read the DTCs.

      Is the status Active for this DTC?

      Yes 

      • Go To  2.

      No 

      • Go To  3.
  2. CHECK FOR ABS DTCS 
    1. Ignition on, engine not running.
    2. With the scan tool, read the DTCs in the ABS Module.

      Are there any ABS DTCs present?

      Yes 

      No 

      • Replace the Drive Train Control Module (DTCM) in accordance with the Service Information.
      • Refer to Standard Procedure  and perform the DTCM VERIFICATION TEST.
  3. INTERMITTENT WIRING HARNESS AND CONNECTORS 
    1. The conditions necessary to set this DTC are not present at this time.
    2. Using the wiring diagram/schematic as a guide, inspect the wiring harness and connectors.
    3. Wiggle test the wiring harness and connectors while monitoring the scan tool data relative to this circuit.
    4. Look for the data to change or for the DTC to reset during the wiggle test.

      Were any problems found?

      Yes 

      • Repair as necessary.
      • Refer to Standard Procedure  and perform the DTCM VERIFICATION TEST.

      No 

      • Test complete.
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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.