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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1611 (5.7L - DTCS P0521 To P1414 - 2500 Hd) >> DTC Troubleshooting >> P0571-Brake Switch 1 Performance >> 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
IMPROPER STOP/BRAKE LAMP SWITCH ADJUSTMENT
CAN BUS FAILURE
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .