FixVault

Possible Causes

Possible Causes 
INTERMITTENT DTC
(K35) EGR CONTROL CIRCUIT SHORTED TO VOLTAGE
(K35) EGR CONTROL CIRCUIT SHORTED TO GROUND
(K35) EGR CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
(Z901/Z903) GROUND CIRCUIT OPEN OR HIGH RESISTANCE
EGR VALVE ASSEMBLY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.