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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 ((40/41TE Automatic Transmission - Electrical Diagnostics)) >> Electrical Diagnostics >> DTC Troubleshooting >> P1684-Battery Was Disconnected >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
BATTERY WAS DISCONNECTED
PCM WAS REPLACED OR DISCONNECTED
QUICK LEARN WAS PERFORMED
(A919) FUSED B+ CIRCUIT TO PCM OPEN
(Z908 and Z977) GROUND CIRCUIT OPEN

Always perform the 40/41TE Pre-Diagnostic Troubleshooting procedure before proceeding.  (Refer to TRANSMISSION/TRANSAXLE/AUTOMATIC - 40/41TE - STANDARD PROCEDURE)