Was bedeutet der Fehlercode ECM-1203?

Diagnose und Fehlercodedefinition für ECM-1203 (Volvo C30 (2007–2013), Volvo C30 (2007–2013), Volvo C70 (2006–2013)). Steuergerätereparatur bei OBD Tuning.

VOLVO

ECM-1203 - Fuel injection system driver. Signal missing

System

Motorsteuergerät (ECM)

Volvo-Modelle, für die dieser Fehlercode gilt

Gilt für folgende Modelle:

4 Modelle

C30 (2007–2013), C70 (2006–2013), S40 (2004–2013), V50 (2004–2013)

Modelle nach Baujahr und Motor anzeigen (10)

Was bedeutet der Fehlercode?

This code applies to the injector valve on cylinder 3, where the injection time has been incorrect. The control module has its own output stage for each injector and compares the time of every injection with the expected value. The last digit of the code shows cylinder 3.

Mögliche Ursachen

Contact resistance, oxidation or poor contact in the connections
Open circuit in the signal cable (+)
Open circuit in the signal cable (-)
Damaged injector

Was Sie tun können

1Read the codes, clear them and road test to see whether the code comes back
2Check the connector on the cylinder 3 injector for play and oxidation
3Use a multimeter to check that the two wires to cylinder 3 are not broken and have no contact with ground or supply voltage
4If the code returns after clearing and a test drive and no fault is found, a workshop should try a new injector valve

Symptome, die Sie bemerken können2

The engine lacks power and runs poorly
A message and a warning symbol appear in the display

Was der Fehler beeinflussen kann2

Engine speed is limited
The car can be driven in limp-home mode

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