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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 248 (3.6L - DTCS P0461 To P0652) >> DTC Troubleshooting >> P0571-Brake Switch 1 Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED TO GROUND
FUSED B+ CIRCUIT OPEN OR SHORTED TO GROUND
BRAKE SWITCH 1 SIGNAL CIRCUIT OPEN
BRAKE SWITCH 1 SIGNAL CIRCUIT SHORTED TO GROUND
BRAKE SWITCH 2 SIGNAL CIRCUIT OPEN
BRAKE SWITCH 2 SIGNAL CIRCUIT SHORTED TO GROUND
BRAKE SWITCH
POWERTRAIN CONTROL MODULE (PCM)

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