Component Inspection

C1668 Repeated Watchdog Reset / Internal failure detection

Inspection/Repair - Component Inspection

Component Inspection




1. Connect 'TPMS exciter' or scantool to Data Link Connector (DLC).
2. Clear DTC.
3. IG OFF & IG ON. Wait 4 minutes.
4. Execute "Diagnostic Trouble Codes (DTCs)" mode.
5. Is 'C1668' present?
YES
1) Substitute with a known-good TPMS Receiver module and check for proper operation.
2) If the problem is corrected, replace TPMS Receiver module and go to "Verification of vehicle Repair" procedure.
NO
1) System is OK.