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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1649 ((Rear Air Suspension Control Module (ASCM) - Electrical Diagnostics - 2500 Hd)) >> DTC Troubleshooting >> C1540-12-Left Rear Ride Height Level Control - Circuit Short To Battery >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
LEFT REAR AXLE VENT CONTROL SOLENOID CIRCUIT SHORTED TO VOLTAGE
12 VOLT VALVE BODY FEED SHORTED TO LEFT REAR AXLE VENT CONTROL SOLENOID CIRCUIT SHORTED TO VOLTAGE
AIR SUSPENSION COMPRESSOR ASSEMBLY
AIR SUSPENSION CONTROL MODULE (ASCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to ASCM PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .