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Home >> Fiat >> 2016 >> 500 Turbo, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (1.4L 16-Valve Turbo - DTCS P0271-00 To P060C-00 - 500) >> DTC Troubleshooting >> P0571-00-Brake Switch 1 Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
BRAKE LAMP SWITCH OUTPUT CIRCUIT SHORTED TO GROUND
BRAKE LAMP SWITCH OUTPUT CIRCUIT OPEN
STOP LAMP SWITCH
POWERTRAIN CONTROL MODULE (PCM)

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

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