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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P161B-Battery Disconnect / TCM Internal >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
WRONG VEHICLE CALIBRATION
FUSED B(+), TRANSMISSION CONTROL OUTPUT, AND/OR GROUND OPEN
TRANSMISSION CONTROL MODULE (TCM)

Always perform the CVT Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure