VOLVO
CEM-B112F01 - Emergency brake lamp. General Failure Information. General electrical failure
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
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1 modellS80 (2007–)
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Hva betyr feilkoden?
The CEM powers the emergency brake light straight from an output. The code is stored when the supply cable has a break or is shorted to ground. The brake lights then do not light when the pedal is pressed, and a message may appear in the text window.
Mulige årsaker
- The supply cable is short-circuited to ground
- Break in the supply cable
Hva du kan gjøre
- 1Check that the brake lights work by having someone watch them while you press the brake. Brake lights matter for road safety, so fix the fault promptly
- 2Check that the relevant fuses are intact. Their locations are in the owner's manual or on the fuse box cover
- 3Look for chafing and pinch damage on the supply cable to the emergency brake light
- 4Use a multimeter to check that the supply cable has no contact with ground (the body) and is not broken
- 5If the fault returns, have a workshop with diagnostic equipment check the wiring and the control module output
Symptomer du kan merke2
- Brake lights do not light when the brake pedal is pressed
- A message appears in the text window
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