VOLVO
ECM-P160911 - Diagnostic Lamp Driver. General Electrical Failures. Circuit short to ground
System
Engine Control Module (ECM)
Volvo models this fault code applies to
Applies to the following models:
1 modelXC90 (2003–)
Show models by year and engine (1)
What does this fault code mean?
The engine control module (ECM) controls the general warning lamp over the CAN bus to the driver information module (DIM). The code is set when the engine control module detects a fault on the signal that controls the warning lamp. Fault-tracing is primarily carried out in the driver information module.
Possible causes
- Fault in the driver information module (DIM)
What you can do
- 1Check that the fuses are intact. Their locations are given in the owner's manual
- 2Check with buttons or controls in the car whether the functions that are normally controlled work as they should
- 3Use a multimeter to check that the signal wire to the general warning lamp has no contact with earth (the body)
- 4Check that the connectors to the instrument cluster are firmly seated and free from corrosion
- 5If the fault code returns: have a workshop fault-trace the driver information module (DIM)
Symptoms you may notice1
- No noticeable symptoms for the driver
What the fault can affect1
- The general warning lamp is switched off
General guidance for car owners. Diagnosis on the car can point to a different cause.