Was bedeutet der Fehlercode ECM-P023485?

Diagnose und Fehlercodedefinition für ECM-P023485 (Volvo C30 (2007–2013), Volvo S40 (2004–2013), Volvo S60 (2011–)). Steuergerätereparatur bei OBD Tuning.

VOLVO

ECM-P023485 - Turbocharger/Supercharger A Overboost Condition. Bus Signal / Message Failures. Signal above allowable range

System

Motorsteuergerät (ECM)

Volvo-Modelle, für die dieser Fehlercode gilt

Gilt für folgende Modelle:

9 Modelle

C30 (2007–2013), S40 (2004–2013), S60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V50 (2004–2013), V60 (2011–), V70 (2008–)

Modelle nach Baujahr und Motor anzeigen (9)

Was bedeutet der Fehlercode?

The engine control module (ECM) controls boost pressure by sending a signal to the turbo control valve. The fault is set when turbo system boost is excessive. The cause may be a leak in the intake, blocked hoses or a damaged turbo control valve.

Mögliche Ursachen

Air leak in the intake system
Blocked hoses to the turbocharger or the turbo control valve
Damaged turbo control valve

Was Sie tun können

1Read the code, clear it and road test to see whether it returns
2With the engine at idle, listen for a hissing sound from the intake, which can point to an air leak
3Look at the hoses to the turbocharger and turbo control valve for blockages, kinks and loose connections
4If you have a diagnostic tool: activate the turbo control valve and check that it clicks as it operates
5If the fault remains, have a workshop check the turbo control valve with diagnostic equipment

Symptome, die Sie bemerken können3

The check engine lamp comes on or behaves abnormally
Warning symbol and text message in the display
The car feels poor to drive, with reduced performance and lack of power

Was der Fehler beeinflussen kann2

Engine torque is limited
Control of exhaust gas recirculation (EGR) is lost

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