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Home >> Chrysler >> 2006 >> 300 Base, 42RLE/VLP >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - DTCS P0700 To P1897 >> Diagnosis And Testing >> P0703-Brake Switch 2 Performance >> Possible Causes
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Possible Causes

Possible Causes 
(A103) FUSED B+ CIRCUIT
(L50) BRAKE LAMP SWITCH OUTPUT CIRCUIT OPEN
(L50) BRAKE LAMP SWITCH OUTPUT CIRCUIT SHORTED TO BATTERY VOLTAGE
(L50) BRAKE LAMP SWITCH OUTPUT CIRCUIT SHORTED TO GROUND
(B29) BRAKE SWITCH NO.1 SIGNAL CIRCUIT OPEN
STOP LAMP SWITCH
PCM

Always perform the  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  before proceeding.