Diagnostic Test

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

1) CHECK FOR A DTC C2206-VEHICLE CONFIGURATION MISMATCH
NOTE: This DTC must be active for the results of this test to be valid.

NOTE: Diagnose and repair any communication DTCs in the FCM or PCM before continuing with this test.

NOTE: Diagnose and repair any system under voltage or over voltage DTCs before continuing with this test.

Turn the ignition on.

With the scan tool, read DTCs.

Record DTC and Freeze Frame information.

With the scan tool, erase DTCs.

Cycle the ignition switch off then on.

With the scan tool, read DTCs

Does the scan tool display: C2206-VEHICLE CONFIGURATION MISMATCH?

Yes
1. Go To step 2).
No
1. Refer ABS-INTERMITTENT CONDITION .
2. Perform ABS VERIFICATION TEST - VER 1 .
2) CHECK THE WIRING HARNESS, TERMINALS, AND CONNECTORS
Visually inspect the related wiring harness. Look for any bruised, chafed, pierced, or partially broken wires.

Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.

Monitor the scan tool data relative to this circuit while performing a wiggle test on the wiring. Look for the data to change other than as expected or for the DTC to reset.

Refer to any Technical Service Bulletins that apply.

Were any problems found?

Yes
1. Repair as necessary.
2. Perform ABS VERIFICATION TEST - VER 1 .
No
1. Replace the Anti-lock Brake Module in accordance with the Service Information.
2. Perform ABS VERIFICATION TEST - VER 1 .