ENGINE (J05E)/TROUBLESHOOTING 2–93
MALFUNCTION CODES FOR FAULTY ACTUATOR POWER RELAY
EN01H02127030602016019
Since the following actuators and switches are connected in the downstream of the actuator power relay, more than one
malfunction code or functional failure can occur.
Check the supply circuit from the actuator power relay.
Sensor Case
Brake switch P0504
EGR actuator U1122
VNT actuator U1123
DPR regeneration switch Manual regeneration failure of DPR
Exhaust brake
Functional failure
Cruise
Aftertreatment fuel injector P20CD
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