7355 código(s) en esta categoría. Página 162 de 307. Selecciona uno para ver el diagnóstico detallado.
Motor (P)
DEF tank heater is electrically OK but does not warm the tank within the expected time — element is partially …
The reductant purge control valve A drive circuit is open — used to evacuate DEF lines back to the tank when t…
Reductant purge control valve A is electrically OK but does not vent the line within the expected time — parti…
Reductant purge control valve A drive line stuck low — short to ground. The evaporative system captures fuel v…
Reductant purge control valve A drive line stuck high — short to B+. The evaporative system captures fuel vapo…
Reductant purge control valve A is mechanically stuck open — system cannot maintain dosing pressure because th…
Reductant purge control valve A is mechanically stuck closed — DEF lines cannot be vented at shutdown, increas…
The drive circuit for the air-assist pressure-control valve in the DEF system is open — atomisation pressure c…
Reductant air-pressure control valve is electrically OK but cannot hold or modulate pressure within calibratio…
Reductant air-pressure control valve drive line stuck low — short to ground. Wiring faults of this kind typica…
Reductant air-pressure control valve drive line stuck high — short to B+. Wiring faults of this kind typically…
Reductant air-pressure control valve mechanically stuck open — air pressure cannot be reduced, dosing atomisat…
Reductant air-pressure control valve mechanically stuck closed — air supply blocked, dosing fails.…
A general electrical fault is reported on the temperature sensor inside the DEF metering unit — used to protec…
Metering unit temperature sensor in range but fails plausibility — slow response or stuck reading. Wiring faul…
Metering unit temperature sensor below lower plausibility — short to ground. Wiring faults of this kind typica…
Metering unit temperature sensor above upper plausibility — open signal or short to B+. Wiring faults of this …
Metering unit temperature sensor signal jumps or drops out — connector or harness issue. Wiring faults of this…
The drive circuit for the engine-coolant control valve that warms the DEF tank/lines is open — coolant cannot …
Reductant coolant control valve is electrically OK but stuck open or does not modulate as commanded — DEF heat…
Reductant coolant control valve drive line stuck low — short to ground. Wiring faults of this kind typically c…
Reductant coolant control valve drive line stuck high — short to B+. Wiring faults of this kind typically come…
The control circuit for the heater inside the DEF metering unit is open — winter operation cannot keep the dos…
Metering unit heater is electrically OK but does not warm the block within the expected time — partial winding…