IGM-U201657
VOLVO
IGM-U201657 - Control Module Main Software. System Programming Failures. Invalid / Incompatible Software Component
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 high voltage generator control module (IGM) checks its internal memory, which holds the vehicle configuration and calibration data. The code is stored when the module detects that the vehicle has an incorrect software configuration.
Possible causes
- Faulty software in the control module
- A software fault inside the control module
What you can do
- 1Read and clear the code, then road test the car to see whether it comes back
- 2Have a workshop check that the fuses are intact and that the battery is in good condition
- 3Have a workshop check whether the control module software needs to be downloaded again in its latest version
- 4The high voltage system may only be handled by qualified personnel, so have a workshop carry out any work on it
Symptoms you may notice5
- Warning symbol and text message in the display
- Power supply problems from the generator and charge regulator
- The high voltage battery charges poorly, is discharged, or does not charge while driving
- Drive modes SAVE and AWD disengage automatically or cannot be selected
- The combustion engine is active in HYBRID mode all the time or too often
What the fault can affect1
- The high voltage battery cannot be charged by the combustion engine
General guidance for car owners. Diagnosis on the car can point to a different cause.