VOLVO
CEM-B112F13 - Emergency brake lamp. General Electrical Failures. Circuit open
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 directly from an output. The code is stored when the supply cable has a break, and a message then appears in the text window.
Mulige årsaker
- 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
- 3Use a multimeter to check that the supply cable is not broken, for example by checking continuity between two contact points
- 4Look for chafing and pinch damage on the cable to the emergency brake light
- 5If the fault returns, have a workshop with diagnostic equipment check the wiring and the control module output
Symptomer du kan merke1
- A message appears in the text window
Hva feilen kan påvirke2
- After 100 driving cycles with the fault, the function switches off permanently
- Clearing the fault codes resets the output
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