Was bedeutet der Fehlercode ECM-P003973?

Diagnose und Fehlercodedefinition für ECM-P003973 (Volvo S60 (2011–), Volvo S60 (2011–), Volvo S80 (2007–)). Steuergerätereparatur bei OBD Tuning.

VOLVO

ECM-P003973 - Turbocharger/Supercharger Bypass Valve "A" Control Circuit Range/Performance. Mechanical Failures. Actuator stuck closed

System

Motorsteuergerät (ECM)

Volvo-Modelle, für die dieser Fehlercode gilt

Gilt für folgende Modelle:

6 Modelle

S60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V70 (2008–)

Modelle nach Baujahr und Motor anzeigen (11)

Was bedeutet der Fehlercode?

The actuator for turbo bypass valve A has stuck in the closed position. The fault is mechanical and shows when the engine control module expects the valve to open but it does not.

Mögliche Ursachen

Mechanical fault where the actuator for bypass valve A is stuck in the closed position
The valve is binding in its position and cannot move to open

Was Sie tun können

1Check that the fuses for the turbo control are intact. Their locations are given in the instruction manual
2With a diagnostic tool, activate bypass valve A and listen for the actuator to move. No movement suggests it is stuck
3Inspect the linkage to the valve for damage, wear and dirt
4Have a workshop with diagnostic equipment check the actuator and the control signals to the valve
5Repair what is found, clear the code and road test the car to see whether it returns

Symptome, die Sie bemerken können2

Noise while driving, especially just after the accelerator pedal is released
The noise may be heard at some times or all the time, which cannot be predicted

Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.