VOLVO
ECM-P219600 - O2 Sensor Signal Biased/Stuck Rich - Bank 1, Sensor 1. General Failure Information. No sub type information
System
Engine Control Module (ECM)
Volvo models this fault code applies to
This fault code has different meanings depending on model, model year or engine. Select the meaning that applies to your car.
Applies to the following models:
6 modelsS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V70 (2008–)
Show models by year and engine (11)
- Volvo S60 (2011–)2011Engine B4164T, B4164T3 only
- Volvo S60 (2011–)2012–2015Engine B4164T, B4164T2, B4164T3 only
- Volvo S80 (2007–)2011, 2015Engine B4164T only
- Volvo S80 (2007–)2012–2014Engine B4164T, B4164T2 only
- Volvo V40 (2013–)2013Engine B4164T, B4164T3 only
- Volvo V40 (2013–)2014–2015Engine B4164T, B4164T3, B4164T4 only
- Volvo V40 Cross Country (2013–)2013–2015Engine B4164T only
- Volvo V60 (2011–)2011Engine B4164T, B4164T3 only
- Volvo V60 (2011–)2012–2015Engine B4164T, B4164T2, B4164T3 only
- Volvo V70 (2008–)2011Engine B4164T only
- Volvo V70 (2008–)2012–2015Engine B4164T, B4164T2 only
What does this fault code mean?
The engine control module (ECM) monitors the lambda sensor signal and compares the front and rear sensor adaptation values. The code is set when the signal shows a mixture that is incorrectly rich compared with what the ECM expects, and the deviation is too large. The fault may lie in the exhaust system, the sensor connectors or the sensor itself.
Possible causes
- Leakage in the exhaust system
- Lambda sensor shows an incorrectly rich fuel/air mixture
- Contact resistance or oxidation in the terminals
- Damaged heated oxygen sensor (HO2S)
What you can do
- 1Check that the fuses are intact; their locations are in the owner's manual or on the fuse box cover
- 2Check the exhaust system for leaks
- 3Check the connectors at the lambda sensor and the engine control module for contact resistance and oxidation
- 4Have a workshop check the engine control module, since the fault-tracing points to a possible internal fault there
- 5Replace the lambda sensor if the fault remains after these checks and no other cause is found
Symptoms you may notice1
- The malfunction indicator lamp lights up or behaves abnormally
What the fault can affect2
- Lambda sensor control is switched off
- Catalytic converter diagnostics are switched off
General guidance for car owners. Diagnosis on the car can point to a different cause.