7355 code(s) in this category. Page 26 of 307. Select one to see the detailed diagnosis.
Motor (P)
Injection pump metering control A signal voltage above expected range. A flow-deviating injector throws off cy…
Open circuit at fuel pump module A control. Pump control unit cannot be commanded.…
Fuel pump module A does not respond as expected. Wiring faults of this kind typically come from chafing, water…
Fuel pump module A control voltage below expected range. Wiring faults of this kind typically come from chafin…
Fuel pump module A control voltage above expected range. Wiring faults of this kind typically come from chafin…
Intermittent signal from boost pressure sensor A. Boost control tracks commanded vs. actual manifold pressure;…
Intermittent signal from boost pressure sensor B. Boost control tracks commanded vs. actual manifold pressure;…
The injector drive circuit for cylinder 1 does not respond as expected. Pulse width or current feedback differ…
The cylinder 1 injector control circuit voltage is below the lower diagnostic threshold — open winding, short …
The ECU compares each cylinder's contribution to crankshaft speed (rough run analysis) and determined cylinder…
The cylinder 2 injector control circuit voltage is below the lower diagnostic threshold — open winding, short …
The cylinder 3 injector control circuit voltage is below the lower diagnostic threshold — open winding, short …
Charge air cooler efficiency dropped below diagnostic threshold — intake air not cooled enough after compressi…
Generic injection timing performance fault — actual timing deviates from target.…
Fuel injection quantity A is lower than the commanded amount. Often clogged or worn injector.…
Fuel injection quantity A is higher than commanded — often a leaking injector or stuck-open nozzle.…
CAC coolant pump A does not deliver expected flow when commanded.…
Thermostat does not regulate coolant temperature in the expected range. Often stuck open (slow warmup) or stuc…
The cylinder 4 injector control circuit voltage is below the lower diagnostic threshold — open winding, short …