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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 497 (Power Top Control Module ( PTCM) - Electrical Diagnostics) >> DTC Troubleshooting >> B2540-Convertible Top Sense Limit Switch/Convertible Top Position Sensor Correlation >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
(Q988) CONVERTIBLE TOP RETRACTED SIGNAL CIRCUIT SHORTED TO GROUND
(Q970) ROOF SENSE LIMIT SWITCH CIRCUIT SHORTED TO GROUND
CONVERTIBLE TOP RETRACTED POSITION SENSOR
ROOF SENSE LIMIT SWITCH
POWER TOP CONTROL MODULE (PTCM)

Always perform the Power Top System Pre-Diagnostic procedure before proceeding. Refer to  STANDARD PROCEDURE  .