OBD-II code · Powertrain (generic)
P05E7 Park Brake Sensor or Switch Circuit Intermittent or Erratic
Same as P05E3 with intermittent or erratic signal. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Is it safe to drive with P05E7?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyIntermittent contact at connector
- Less likelyConnector with intermittent contact under vibration
- Less likelyHarness routed against vibrating component
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.3–1.2 h
- Emissions test
- Usually unaffected
- Parts involved
- Park Brake Switch, Park Brake Wiring
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.