VOLVO
CEM-8D01 - Ignition lock light and extra brake light. Signal too low. Intermittent fault
System
Sentral elektronikk (CEM)
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Gjelder følgende modeller:
5 modellerS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
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Hva betyr feilkoden?
This code covers the ignition lock lighting and the extra high-mounted brake light. The fault is intermittent and may not be present right now. The central electronic module (CEM) has registered a short to ground in one of the circuits, and the brake light may have become too hot.
Mulige årsaker
- The high-mounted brake light has become too hot
- Short to ground in the circuit to the ignition lock lighting or the brake light
- Faulty high-mounted brake light
Hva du kan gjøre
- 1Check the connectors at the ignition lock and at the extra brake light for oxidation and looseness
- 2Let the brake light cool down, then check that it comes on when the brake pedal is pressed
- 3With the ignition off, use a multimeter to check that the wire to the brake light has no contact with ground (the body)
- 4If the fault returns, have a workshop with diagnostic equipment check the circuit, since intermittent faults can be hard to find
Symptomer du kan merke1
- The high-mounted brake light does not come on when braking
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