VOLVO
SUM-0152 - Keypad. Signal too high
System
Suspension Module (SUM)
Volvo models this fault code applies to
Applies to the following models:
4 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007)
What does this fault code mean?
The signal from the keypad in the car is too high. The fault may be caused by the supply to the keypad having contact with voltage, or by a defective keypad. The Four-C function is blocked.
Possible causes
- The supply wire to the keypad has contact with positive voltage
- Defective keypad
What you can do
- 1Check the connectors at the keypad for oxidation
- 2Use a multimeter to check that the supply wire to the keypad has no contact with positive voltage
- 3If the wire is intact, have a workshop replace the keypad
Symptoms you may notice3
- The general warning lamp lights
- Message in the display
- Four-C does not work
What the fault can affect1
- The Four-C function is blocked
General guidance for car owners. Diagnosis on the car can point to a different cause.