2009 Peugeot 807 brake lights always on

Car: Peugeot 807
Year: 2009
Variant: 850 se hdi 90
Categories: Electrics, ECU, Warnings & Lights
started as intermittent ,they would stay on for a few seconds at a time but progressively got longer and now on constantly have checked microswitch on pedal and brake light switch and checked all fuses, van has abs
Posted: Jul 22, 2018 (5 years ago)
Brake lamp function is you checked from the pedal switch,
from there the "signal" goes to the BSI,
which in turn sends V to the lamps.
So either a BSI fault or wiring short to Pos + in the brake lamp wire harness.
If you have access to "Daigbox" scan the BSI.
Posted Jul 22, 2018 (5 years ago)

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