VOLVO
ECM-P16468F - Linear O2 Sensor Control Chip (Bank 1). Bus Signal / Message Failures. Erratic
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
3 modelsS60 (2011–), S80 (2007–), V70 (2008–)
Show models by year and engine (9)
- Volvo S60 (2011–)2011–2012Engine B5254T5 only
- Volvo S80 (2007–)2007–2008Engine B5254T6 only
- Volvo S80 (2007–)2009Engine B5254T6, B5254T8 only
- Volvo S80 (2007–)2010–2011Engine B5254T10, B5254T11, B5254T8 only
- Volvo S80 (2007–)2012Engine B5254T10 only
- Volvo V70 (2008–)2008Engine B5254T6 only
- Volvo V70 (2008–)2009Engine B5254T6, B5254T8 only
- Volvo V70 (2008–)2010–2011Engine B5254T10, B5254T11 only
- Volvo V70 (2008–)2012Engine B5254T10 only
What does this fault code mean?
The control module (ECM) has logged an internal fault in its lambda sensor control, bank 1. The fault is described as erratic, but the condition concerns the control module's own function. The code gives no further cause.
Possible causes
- A damaged engine control module (ECM)
What you can do
- 1Drive the car and read off the fault codes to see whether the code returns
- 2Clear the fault code and check the status again after the engine has run for a while
- 3If the fault code returns: have a workshop replace the engine control module (ECM)
Symptoms you may notice1
- The malfunction indicator lamp (MIL) is lit
General guidance for car owners. Diagnosis on the car can point to a different cause.