Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that there's a problem with the sensor that tells the car's computer if the gear is in 'Park'. It's like when you can't tell if a toy is turned on or off because the switch is broken.
The P07B8 code is triggered when the transmission control module (TCM) detects an open circuit in the park position sensor/switch B. This sensor is responsible for indicating whether the transmission is in the 'Park' position.
The transmission park position sensor/switch B is a component that informs the vehicle's control module about the gear position. An open circuit in this sensor means that the electrical signal is interrupted, preventing the control module from accurately determining the gear position.
• Check Engine Light is on
• Vehicle may not start
• Inability to shift out of park
• Faulty park position sensor/switch
• Damaged wiring or connectors
• Faulty transmission control module (TCM)
Transmission Control Module (TCM): A computer that controls the transmission functions in a vehicle.
Open Circuit: An electrical circuit that is not complete, preventing current from flowing.
• Use an OBD-II scanner to confirm the code
• Inspect wiring and connectors for damage
• Test the park position sensor/switch for proper operation
• Replace the park position sensor/switch
• Repair or replace damaged wiring/connectors
• Replace the transmission control module if necessary
• OBD-II scanner
• Multimeter
• Socket set
$150 - $400
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect wiring for damage
• Ensure connectors are secure
• Perform routine maintenance checks
Sensor Issue
• Do not force the gear shifter if it is stuck
• Have the vehicle inspected by a professional if the Check Engine Light is on
Check with your vehicle manufacturer for warranty coverage on transmission components.
This code has been more common in vehicles with electronic transmission controls, which have become standard in modern vehicles.
Moderate – While the vehicle may still be drivable, it is important to address this issue to avoid transmission problems.
Driving with a malfunctioning transmission sensor can lead to safety issues. It is recommended to address the problem promptly.
• Vehicle in Park
• Engine running
The transmission park position sensor is typically located on the transmission housing or near the gear shifter assembly.
Q: Can I drive my car with a P07B8 code?
A: It is not recommended to drive with this code active, as it may lead to further transmission issues.
Q: How do I reset the P07B8 code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue is resolved, the code should not return.
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