OBD-II code · Powertrain (generic)
P07B5 Transmission Park Position Sensor/Switch A Circuit Performance/Low
Sensor A is electrically intact but its low-end value drifts — for example a value below the calibrated Park threshold while the lever is mechanically out of Park. The TCM cannot fully trust the Park reading.
Is it safe to drive with P07B5?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyAged Hall element with offset 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
Related codes
- P07B2Transmission Park Position Sensor/Switch A Circuit/Open
- P07BBTransmission Park Position Sensor/Switch B Circuit Performance/Low
- P07B3Transmission Park Position Sensor/Switch A Circuit Low
- P07B4Transmission Park Position Sensor/Switch A Circuit High
- P07B6Transmission Park Position Sensor/Switch A Circuit Performance High
- P07B7Transmission Park Position Sensor/Switch A Circuit Intermittent/Erratic
- P07B8Transmission Park Position Sensor/Switch B Circuit/Open
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.