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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 ((Front Control Module (FCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> B2215-Front Control Module Internal >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. REPLACE THE FRONT CONTROL MODULE IF DTC IS ACTIVE 
    1. With the scan tool, read the active DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      No 

      • If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.