VOLVO
ECM-P129500 - Injector Multiple Faults - Bank 1. General Failure Information. No sub type information
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
9 modelsC30 (2007–2013), S40 (2004–2013), S60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V50 (2004–2013), V60 (2011–), V70 (2008–)
Show models by year and engine (9)
- Volvo C30 (2007–2013)2011–2013Engine D4162T only
- Volvo S40 (2004–2013)2011–2012Engine D4162T only
- Volvo S60 (2011–)2011–2015Engine D4162T only
- Volvo S80 (2007–)2012–2015Engine D4162T only
- Volvo V40 (2013–)2013–2015Engine D4162T only
- Volvo V40 Cross Country (2013–)2013–2015Engine D4162T only
- Volvo V50 (2004–2013)2011–2012Engine D4162T only
- Volvo V60 (2011–)2011–2015Engine D4162T only
- Volvo V70 (2008–)2012–2015Engine D4162T only
What does this fault code mean?
This code covers several faults on the injectors in bank 1. The engine control module supplies the injectors through two high-power output stages and sets the code when it detects a faulty signal. It gives no further fault type. It can be caused by loose or oxidized connections, an open circuit in the signal wire, or a damaged injector.
Possible causes
- Loose connections
- Contact resistance and oxidation in the connections
- Open circuit in the signal wire (plus)
- Open circuit in the signal wire (minus)
- Damaged injector
What you can do
- 1Check that the fuses are intact. The locations are in the owner's manual or on the fuse box cover.
- 2Check the connectors to the injectors in bank 1. They should be secure and free from oxide and corrosion.
- 3Look for broken or chafed wires to the injectors in bank 1, since an open circuit in the signal wire can cause the fault.
- 4If you have a diagnostic tool, you can activate the injectors one at a time and listen for each valve to click.
- 5If the fault returns, have a workshop with diagnostic equipment check the injectors in bank 1 and their wiring.
Symptoms you may notice3
- The Check engine (malfunction) lamp comes on or behaves abnormally
- Text message and warning symbol in the display
- Poor performance, the car lacks power
What the fault can affect2
- Engine output and speed may be limited
- Soot particles are not burned off as normal
General guidance for car owners. Diagnosis on the car can point to a different cause.