DTC xx099 Internal - Fault
POSSIBLE CAUSE A. INTERNAL FAULT COMPONENT OPERATIONAL CHECK NOTE: Always check battery condition and state of charge before performing electrical troubleshooting. A faulty or low charged battery will cause electrical features to not operate as designed and give incorrect readings while performing electrical tests. PROCEDURE OR ACTION: 1. Conduct a visual inspection of all connectors/wiring associated with the fault code. Are any faults detected/observed? YES: Repair/replace connector or wiring associated with faults found. Refer to the appropriate Electrical System SRM. NO: Proceed to Step 2. 2. Re-key the vehicle. Is the code still present? YES: Proceed to Cause A. NO: Problem may be intermittent. CAUSE A - INTERNAL FAULT PROCEDURE OR ACTION: 1. Replace faulty controller. Make sure to indicate the DTC code(s) on the warranty claim to include an accurate problem description leading to controller replacement.
END POSSIBLE CAUSES