Diagnostic Test

2013 Chrysler Town & Country S, GasSECTION Diagnostic Test
WARNING: This page is about a different car, the 2013 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    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 STANDARD PROCEDURE .
  2. LOW BATTERY VOLTAGE 
    Fig 1: Measuring Voltage Of Fused B(+) Circuit
    GC0151604Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the Steering Control Module C1 harness connector.
    3. Turn the ignition on.
    4. Measure the voltage of the (A909) Fused B(+) circuit.

      Is battery voltage present?

      Yes 

      No 

      • Repair the (A909) Fused B(+) circuit for an open, short to ground or high resistance.
      • Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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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.