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Symptom: CHARGING VOLTAGE LOW MESSAGE When Monitored and Set Condition: CHARGING VOLTAGE LOW MESSAGE When Monitored: During cranking or with the engine running. Set Condition: When the Memory Seat Mirror Module receives three low charging system voltage messages below 9 volts over the PCI Bus. Code will remain for 50 ignition cycles. POSSIBLE CAUSES PCM TROUBLE CODES STORED CODE COMMUNICATION PROBLEMS MEMORY SEAT MIRROR MODULE INTERMITTENT PROBLEM TEST ACTION APPLICABILITY 1 Turn ignition on. t read Engine DTCs. Is the DTC P1682 Charging System Voltage Too Low set in the Power Control All Yes → Refer to symptom *P1682-CHARGING SYSTEM VOLTAGE TOO LOW in the CHARGING category No → Go To 2 2 With the DRBIII t, erase the DTC from Memory Seat Mirror Module. Turn the ignition switch to the Off position then start the engine and let run for one All Yes → Go To 3 No → Test complete. Perform MEMORY SYSTEM VERIFICATION TEST - VER 1. 3 Note: Visually inspect the related wiring harness. Look for any chafed, All No → Replace the Memory Seat Mirror Module. Perform MEMORY SYSTEM VERIFICATION TEST - VER 1. Yes → Repair as necessary. Perform MEMORY SYSTEM VERIFICATION TEST - VER 1. 671 MEMORY SEAT |