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 Quick Battery Disconnect procedure.

POSSIBLE CAUSES
- QUICK LEARN WAS PERFORMED
- RECENT BATTERY DISCONNECTION
- TCM WAS REPLACED OR DISCONNECTED
- INTERMITTENT WIRING AND CONNECTORS
- FUSED B+ CIRCUIT TO TCM OPEN
- GROUND CIRCUIT OPEN