7355 código(s) en esta categoría. Página 219 de 307. Selecciona uno para ver el diagnóstico detallado.
Motor (P)
The second AIR system delivers measurably more or less air than expected. Often a partially blocked pipe, a wo…
A third bypass (recirculation or wastegate) valve used in three-stage charging systems is not responding to co…
Voltage on the third bypass valve control line is below the expected window. Usually a short to ground or a sh…
Voltage on the third bypass valve control line is above the expected window. Typical causes are a short to bat…
The third bypass valve current does not match the commanded value within tolerance. Drifted coil resistance or…
The third bypass valve is mechanically jammed. Solenoid is energised correctly but the valve flap or disc does…
The third bypass valve has reached over-temperature. Either coil duty cycle is too high for too long, or cooli…
A general performance fault in the supercharger disconnect clutch. Engagement or release is slow, sticky, or o…
The voltage stabiliser module (DC/DC converter for stop-start engine cranking events) does not maintain the re…
The controller cannot drive the electric coolant pump A control line. Without circulation, engine and aftertre…
The electric coolant pump A is commanded on but does not run. Coolant temperature climbs faster than expected …
The ECU detects an open circuit on the electric coolant pump control line. Without pump control the engine can…
The electric coolant pump drive line reads below the lower threshold — typically a short to ground or a failed…
The electric coolant pump drive line reads above the upper threshold — usually a short to positive or a stuck-…
The controller cannot drive the secondary intake air heater (heater grid B) used on diesel engines for cold-st…
The secondary intake air heater current does not match expected resistance. Either the grid is partially open …
Voltage on the secondary intake air heater control line is below the expected window. Usually a short to groun…
Voltage on the secondary intake air heater control line is above the expected window. Typical causes are a sho…
The intake air heater system did not raise intake temperature by the expected amount during cold-start support…
The controller cannot drive the power take-off (PTO) engagement line on commercial vehicles. The PTO will not …
Voltage on the PTO engagement control line is below the expected window. Usually a short to ground or a shorte…
Voltage on the PTO engagement control line is above the expected window. Typical causes are a short to battery…
The dashboard PTO engaged lamp control circuit is faulty. Driver may not see whether the PTO is currently driv…
The DPF regeneration warning lamp circuit is faulty. The driver may not be alerted to a required highway run t…