Parking brake sensor VW PASSAT 2003 UNIVERSAL BLUE

OEM: 1H0947561A

Disassembled car photo

Engine running

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What is this part and why does it matter?

The parking brake sensor detects whether the electronic parking brake is engaged, informing the vehicle’s systems (dashboard indicator, transmission interlock, hill-start assist).

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Parking brake warning light showing an incorrect status
  • Transmission won’t shift out of Park incorrectly, or shifts when it shouldn’t
  • Diagnostic fault code related to the sensor itself

Installation information

Integrated into the parking brake mechanism or calliper, connecting to the vehicle wiring harness.

Frequently asked questions

Some vehicles use parking brake status as part of the logic determining whether it’s safe to shift gears, so an inaccurate reading can cause unexpected transmission behaviour.

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