VOLVO
ECM-P120412 - Cylinder #4 Injector Circuit Open/Shorted. General Electrical Failures. Circuit short to battery
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
5 ModelleS80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–), XC90 (2003–)
Modelle nach Baujahr und Motor anzeigen (8)
- Volvo S80 (2007–)2007–2009Nur Motor: D5244T4, D5244T5
- Volvo S80 (2007–)2010–2011Nur Motor: D4164T
- Volvo V70 (2008–)2008–2009Nur Motor: D5244T4, D5244T5
- Volvo V70 (2008–)2010–2011Nur Motor: D4164T
- Volvo XC60 (2009–)2009Alle Motoren außer: B6304T2
- Volvo XC70 (2008–)2008Alle Motoren außer: B6324S
- Volvo XC70 (2008–)2009Nur Motor: D5244T4, D5244T5
- Volvo XC90 (2003–)2013–2014Nur Motor: D5244T18, D5244T5
Was bedeutet der Fehlercode?
The code for cylinder 4 is set when the signal to the injector is incorrect. The cause is a signal wire shorted to supply voltage, although a damaged injector can also be the reason.
Mögliche Ursachen
- Signal wire shorted to supply voltage
- Damaged injector
Was Sie tun können
- 1Read and note the code, clear it and road test to see whether it returns
- 2With the engine control module connector disconnected, use a multimeter to check that the signal wire to cylinder 4 has no contact with battery positive
- 3Check the wire to cylinder 4 for chafing and pinching
- 4Look at the injector for cylinder 4 for damage
- 5If you find no fault: have a workshop check the injector
Symptome, die Sie bemerken können2
- The engine does not start, or only gives a clicking sound when starting is attempted
- Poor performance and lack of power while driving
Was der Fehler beeinflussen kann1
- Injection stops
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.