Operation CHARM: Car repair manuals for everyone.

P1684








SYMPTOM
P1684 - BATTERY WAS DISCONNECTED

WHEN MONITORED
Whenever the key is in the Run/Start position.

SET CONDITION
This code is set whenever Transmission Control Module - TCM is disconnected from battery power B+ or ground. It will also be set during the DRBIII (R) Battery Disconnect procedure.

POSSIBLE CAUSES
- BATTERY WAS DISCONNECTED
- DRBIII (R) BATTERY DISCONNECT PERFORMED
- QUICK LEARN WAS PERFORMED
- TCM WAS REPLACED OR DISCONNECTED
- INTERMITTENT WIRING AND CONNECTORS