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 the car's computer is having trouble reading the position of the gear shifter. It's like when you can't tell if a light switch is on or off.
The P07B3 code indicates that the voltage signal from the transmission park position sensor or switch is lower than expected.
The Transmission Park Position Sensor/Switch A is responsible for sending a signal to the vehicle's computer indicating the current position of the gear shifter. If the circuit is low, it means the voltage is below the threshold that the computer expects, which can indicate a problem with the sensor, wiring, or connections.
• Check Engine Light is on
• Transmission may not shift properly
• Vehicle may not start or be stuck in park
• Faulty transmission park position sensor
• Damaged wiring or connectors
• Faulty transmission control module (TCM)
Transmission: A system in a vehicle that transmits power from the engine to the wheels.
Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
• Use an OBD-II scanner to confirm the code.
• Inspect the transmission park position sensor and its wiring for damage.
• Test the sensor's voltage and resistance.
• Replace the transmission park position sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Replace the transmission control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain transmission components.
• Ensure connectors and wiring are secure and undamaged.
• Follow the vehicle's maintenance schedule.
Sensor Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
• Avoid driving the vehicle if it does not shift properly.
Check if the vehicle's powertrain warranty covers sensor replacement.
This code has been associated with sensor and wiring issues in various vehicles over the years.
Moderate – It should be addressed soon to avoid potential transmission issues.
Ignoring this code may lead to unsafe driving conditions.
• Vehicle in park
• Engine running
The transmission park position sensor is typically located on the transmission or near the gear shifter.
Q: Can I drive with a P07B3 code?
A: It's not recommended as it may lead to transmission issues or unsafe conditions.
Q: How do I reset the Check Engine Light after fixing the issue?
A: Use an OBD-II scanner to clear the code, or disconnect the battery for a few minutes.
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