VOLVO
ICM-1F24 - Left-hand keypad circuit 4. 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 infotainment control module (ICM) monitors the signal for buttons 3, 6, 9 and the hash key on the left-hand keypad. The fault code is set when the signal is too high or too low, and those buttons may stop responding.
Possible causes
- Fault in the left-hand keypad: short to ground or open circuit
- Fault in the wire to the left-hand keypad: short to ground or open circuit
What you can do
- 1Press buttons 3, 6, 9 and the hash key and note whether any of them gives no response
- 2Read the code, clear it and drive the car to see whether it returns
- 3Look for damage and dirt at the plugs for the left-hand keypad; check for oxidation and play
- 4Use a multimeter to check that the wire to the keypad has no break and no contact with ground; if no cause is found, a workshop can try a new keypad
Symptoms you may notice1
- The buttons on the left-hand keypad do not work
General guidance for car owners. Diagnosis on the car can point to a different cause.