VOLVO
IEM-B201348 - Active Discharge. System Internal Failures. Supervision software failure
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 indicates that the contactors for the high voltage battery did not open in time. The electric rear axle drive control module (IEM) monitors its internal components, and The causes are an internal fault in the high voltage battery or in the voltage converter (ISC). The driver notices no symptoms, and the car is not affected by the code.
Possible causes
- The contactors for the high voltage battery did not open in time
- Internal fault in the high voltage battery
- Internal fault in the voltage converter (ISC)
What you can do
- 1Have a workshop read the fault code and check the high voltage battery and the voltage converter (ISC). High voltage systems may only be handled by qualified personnel
- 2Do not carry out any work on the high voltage system yourself
Symptoms you may notice1
- No noticeable symptoms for the driver
General guidance for car owners. Diagnosis on the car can point to a different cause.