OBD-II code · Powertrain (generic)

P07B6 Transmission Park Position Sensor/Switch A Circuit Performance High

Sensor A is electrically intact but the high-end value drifts — for example a value above the calibrated non-Park range while the lever actually is in Park.

Is it safe to drive with P07B6?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyAged sensor with high-end drift

Symptoms

  • Check engine or transmission warning light on
  • Harsh, delayed, or missing shifts
  • Possible limp mode (locked in one gear)
  • Slipping or shuddering during gear changes

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
0.5–2 h
Emissions test
Usually unaffected
Parts involved
Park Position Sensor A

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.