P07B8
Transmission Park Position Sensor/Switch B Circuit/Open
P07B8 is an OBD-II diagnostic trouble code meaning: Transmission Park Position Sensor/Switch B Circuit/Open. Common causes: open or short circuit in the sensor circuit, parking position sensor b malfunction. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- The gearbox goes into emergency mode
- Gear shifting problems
- Inability to start the car (in some models)
- Incorrect display of selector position on the instrument panel
Causes
- Open or short circuit in the sensor circuit
- Parking position sensor B malfunction
- Oxidation or damage to contacts in the connector
- Wiring harness damage
- Transmission control module (TCM) problems
How to Fix
- Check the integrity of the sensor wiring and connectors
- Check sensor resistance according to specification
- Clean contacts from oxidation and corrosion
- Replace a faulty parking position sensor
- Check the operation of the transmission control unit
Related codes
Error P07B8 by Vehicle Brand
FAQ
What does the P07B8 code mean?
P07B8 is an OBD-II diagnostic trouble code that indicates: Transmission Park Position Sensor/Switch B Circuit/Open
What causes a P07B8 error code?
The most common causes of P07B8 include: Open or short circuit in the sensor circuit; Parking position sensor B malfunction; Oxidation or damage to contacts in the connector; Wiring harness damage.
How do I fix a P07B8 diagnostic trouble code?
To fix P07B8: Check the integrity of the sensor wiring and connectors. Check sensor resistance according to specification. Clean contacts from oxidation and corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P07B8?
Do not drive — repair immediately
How much does it cost to fix P07B8?
The estimated repair cost for P07B8 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat