VOLVO
ECM-P160801 - Watchdog Malfunction. General Failure Information. General electrical failure
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsS80 (2007–), V70 (2008–), XC60 (2009–), XC70 (2008–)
Show models by year and engine (6)
- Volvo S80 (2007–)2009Engine D5244T10 only
- Volvo S80 (2007–)2010Engine D5244T10, D5244T14, D5244T19 only
- Volvo V70 (2008–)2009Engine D5244T10 only
- Volvo V70 (2008–)2010Engine D5244T10, D5244T14, D5244T19 only
- Volvo XC60 (2009–)2010Engine D5244T10, D5244T14, D5244T16 only
- Volvo XC70 (2008–)2010Engine D5244T10, D5244T14, D5244T16 only
What does this fault code mean?
The engine control module (ECM) has restarted because of an informational code, which is event-driven. It does not show a fault in the control module where it is active. The engine control module monitors the signals from the control modules it communicates with, and once the code is registered it restarts.
Possible causes
- The engine control module (ECM) has restarted
What you can do
- 1No specific troubleshooting exists for this code. It is an informational code
- 2Read off the fault codes and note whether any other codes are stored
- 3Check whether the cabin light and instrument lighting work as normal on the next drive
- 4If the fault code returns together with other faults: have a workshop read off the faults and assess them
Symptoms you may notice1
- No noticeable symptoms for the driver
What the fault can affect1
- The cabin light may flicker and the instrument lighting may go out briefly
General guidance for car owners. Diagnosis on the car can point to a different cause.