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Home >> Chrysler >> 2007 >> Pacifica Base, 3.8 L >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0645 To P1653 >> P0703-Brake Switch 2 Performance >> Possible Causes
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Possible Causes

Possible Causes 
INTERMITTENT DTC
(B29) BRAKE SIGNAL 1 CIRCUIT SHORTED TO GROUND
(B16) BRAKE SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE
(F20) FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN OR HIGH RESISTANCE
(Z429) GROUND CIRCUIT OPEN OR HIGH RESISTANCE
(B29) BRAKE SIGNAL 1 CIRCUIT OPEN OR HIGH RESISTANCE
(B16) BRAKE SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE
STOP LAMP SWITCH
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .