P07B3
Transmission Park Position Sensor/Switch A Circuit Low
P07B3 is an OBD-II diagnostic trouble code meaning: Transmission Park Position Sensor/Switch A Circuit Low. Common causes: parking position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–67.
Symptoms
- The car does not start (the starter does not work)
- Incorrect display of selector position on the instrument panel
- Transmission position warning signal
- Problems switching from P mode
- Activation of automatic transmission emergency mode
Causes
- Parking position sensor malfunction
- Open or short circuit in the sensor circuit
- Oxidation or damage to connectors
- Problems with power supply or sensor ground
- Mechanical damage to the selector mechanism
How to Fix
- Check the integrity of the sensor wiring and connectors
- Check the voltage and resistance of the sensor according to the manual
- Clean connector contacts
- If necessary, replace the parking position sensor
- Adjust the gear shift mechanism (if required)
Related codes
Error P07B3 by Vehicle Brand
FAQ
What does the P07B3 code mean?
P07B3 is an OBD-II diagnostic trouble code that indicates: Transmission Park Position Sensor/Switch A Circuit Low
What causes a P07B3 error code?
The most common causes of P07B3 include: Parking position sensor malfunction; Open or short circuit in the sensor circuit; Oxidation or damage to connectors; Problems with power supply or sensor ground.
How do I fix a P07B3 diagnostic trouble code?
To fix P07B3: Check the integrity of the sensor wiring and connectors. Check the voltage and resistance of the sensor according to the manual. Clean connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P07B3?
Do not drive — repair immediately
How much does it cost to fix P07B3?
The estimated repair cost for P07B3 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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