Diagnostic Test

2008 Jeep Commander Base, 3.7 K, AWDSECTION Diagnostic Test
  1. DETERMINING IF DTC IS CURRENT 
    NOTE: Diagnose any related Communication DTC(s) before continuing.

    With a scan tool, read and record DTC(s).

    With the scan tool, clear DTC(s).

    Turn the ignition off and remove the key from the ignition.

    Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute.

    Disarm the VTSS.

    Using the scan tool, read DTC(s).

    Does the DTC reset? 

    Yes 

    1. Remove the Cluster and inspect the Fused B (+) and both CAN B BUS circuits for spread terminals or intermittent opens.
    2. Perform BODY VERIFICATION TEST .

    No 

    1. DTC is not active at this time. Test complete.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.