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Home >> Jeep >> 2007 >> Wrangler Sahara, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0430 To P0571 >> P0571-Brake Switch 1 Performance >> Possible Causes
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Possible Causes

Possible Causes 
(B15) BRAKE SIGNAL 1 CIRCUIT SHORTED TO GROUND
(B16) BRAKE SIGNAL 2 CIRCUIT OPEN
(B16) BRAKE SIGNAL 2 CIRCUIT SHORTED TO GROUND
(Z914) GROUND CIRCUIT OPEN
STOP LAMP SWITCH
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.

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