VOLVO
ICM-1F25 - Right-hand keypad circuit 5. Signal too high / too low
System
Infotainment Control Module (ICM)
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 ICM monitors the signal circuit for the SOUND button on the right-hand keypad. The fault code is set when that signal is too high or too low, and the SOUND button may stop responding.
Possible causes
- Short circuit to ground or open circuit in the right-hand keypad
- Short circuit to ground or open circuit in the wire to the keypad
What you can do
- 1Press the SOUND button and see whether it produces a response
- 2Read the code, clear it and check whether it returns after a test drive
- 3Look over the plugs for the right-hand keypad for contact resistance, oxidation, play and damage
- 4Use a multimeter to check that the wire to the keypad has no contact with ground and is not broken; if no fault is found, a workshop can try a new keypad
Symptoms you may notice1
- The buttons on the right-hand keypad do not work
General guidance for car owners. Diagnosis on the car can point to a different cause.