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Home >> Jeep >> 2007 >> Commander Overland, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0645 To P1593 >> P0703-Brake Switch 2 Performance >> Possible Causes
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Possible Causes

Possible Causes 
(F942) FUSED IGNITION SWITCH OUTPUT CIRCUIT
(B16) BRAKE SWITCH NO. 2 SIGNAL CIRCUIT OPEN
(B16) BRAKE SWITCH NO. 2 SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
(B16) BRAKE SWITCH NO. 2 SIGNAL CIRCUIT SHORTED TO GROUND
(B15) BRAKE SWITCH NO. 1 SIGNAL CIRCUIT OPEN
STOP LAMP SWITCH
PCM

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