VOLVO
IEM-P160894 - Watchdog Malfunction. Component Failures. Unexpected operation
System
Unknown System / Manufacturer Specific
Volvo models this fault code applies to
Applies to the following models:
1 modelV60 (2011–)
Show models by year and engine (2)
What does this fault code mean?
The code is set when a fault has occurred in an internal electrical component of the electric rear axle drive control module (IEM). The cause lies in the voltage converter (ISC). Electric propulsion is then not possible.
Possible causes
- Internal fault in the voltage converter (ISC)
What you can do
- 1Have a workshop check the voltage converter (ISC). High voltage systems may only be handled by qualified personnel
- 2If you have a diagnostic tool: read the fault code with the ignition on and see whether it is still there
- 3Do not carry out any work on the high voltage system yourself
- 4After the repair, check that the code is not stored again
Symptoms you may notice4
- Text window and warning symbol with a text message
- Drive mode PURE disengages automatically or is unavailable
- Drive mode AWD disengages automatically or is unavailable
- Drive mode HYBRID: the combustion engine runs all the time or too often
What the fault can affect2
- Electric propulsion is not possible
- Brake energy regeneration from the electric rear axle is not possible
General guidance for car owners. Diagnosis on the car can point to a different cause.