Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Dodge and Ram >> 2008 >> Challenger >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P2174 To U1418 >> Diagnosis And Testing >> P2533-Ignition Switch Run/Start Position Circuit >> Possible Causes

Possible Causes

Possible Causes 
(F950) RUN-START RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE
(F950) RUN-START RELAY OUTPUT CIRCUIT SHORTED TO GROUND
POWERTRAIN CONTROL MODULE (PCM)

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

scientia non olet · About Mike's Workshop Manuals