OBD-II code · Powertrain (generic)
P07BB Transmission Park Position Sensor/Switch B Circuit Performance/Low
Sensor B low-end value drifts away from the calibrated Park threshold.
Is it safe to drive with P07BB?
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 low-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 B
Related codes
- P07B5Transmission Park Position Sensor/Switch A Circuit Performance/Low
- P07B8Transmission Park Position Sensor/Switch B Circuit/Open
- P07B9Transmission Park Position Sensor/Switch B Circuit Low
- P07BATransmission Park Position Sensor/Switch B Circuit High
- P07BCTransmission Park Position Sensor/Switch B Circuit Performance High
- P07BDTransmission Park Position Sensor/Switch B Circuit Intermittent/Erratic
- P07BETransmission Park Position Sensor/Switch A/B Correlation
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.