7355 code(s) in this category. Page 48 of 307. Select one to see the detailed diagnosis.
Motor (P)
EGR sensor A reads in range but plausibility check fails — slow response or stuck reading. EGR mixes inert exh…
EGR sensor A signal jumps or drops out intermittently. EGR mixes inert exhaust into intake to lower combustion…
EGR sensor B reads in range but plausibility check fails — slow response or stuck reading. EGR mixes inert exh…
EGR sensor B signal jumps or drops out intermittently. EGR mixes inert exhaust into intake to lower combustion…
A general electrical fault on exhaust pressure sensor A — used to monitor backpressure across the DPF or to co…
Exhaust pressure sensor A reads in range but plausibility check fails. Wiring faults of this kind typically co…
Exhaust pressure sensor A below lower plausibility — short to ground. Wiring faults of this kind typically com…
Exhaust pressure sensor A above upper plausibility — open signal or short to B+. Wiring faults of this kind ty…
Exhaust pressure sensor A signal jumps or drops out intermittently. Wiring faults of this kind typically come …
A general fault on exhaust pressure control valve A — used as a backpressure brake on heavy-duty diesels and t…
Exhaust pressure control valve A is electrically OK but does not move as commanded.…
Exhaust pressure control valve A drive line stuck low — short to ground.…
Exhaust pressure control valve A drive line stuck high — short to B+.…
Exhaust pressure control valve A drive signal is unstable.…
A general electrical fault on exhaust pressure sensor B — used to monitor backpressure across the DPF or to co…
Exhaust pressure sensor B reads in range but plausibility check fails. Wiring faults of this kind typically co…
Exhaust pressure sensor B below lower plausibility — short to ground. Wiring faults of this kind typically com…
Exhaust pressure sensor B above upper plausibility — open signal or short to B+. Wiring faults of this kind ty…
Exhaust pressure sensor B signal jumps or drops out intermittently. Wiring faults of this kind typically come …
Exhaust pressure control valve A is mechanically stuck open — backpressure cannot be raised, exhaust brake and…
The relay that controls the engine cooling fan does not work.…
The medium-speed cooling fan does not work.…
Electrical fault detected in the third cooling fan control circuit. With one stage of cooling lost, engine and…
The ECM detects that the cooling fan response does not match command. Either the fan rotates without command, …