VOLVO
ICM-1F27 - Right-hand keypad circuit 1. 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 PHONE, MY KEY, ENTER and EXIT buttons on the right-hand keypad. The fault code is set when the signal is too high or too low, and the buttons may stop working.
Possible causes
- Fault in the right-hand keypad: short to ground or open circuit
- Fault in the wire to the right-hand keypad: short to ground or open circuit
What you can do
- 1Press PHONE, MY KEY, ENTER and EXIT and see whether they produce a response
- 2Read the code, clear it and check whether it returns
- 3Look over the plugs for the right-hand keypad for oxidation, play or damage
- 4Use a multimeter to check that the wire to the keypad is not broken or in contact with ground; if no cause 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.