P07B2 Code - Transmission Park Position Sensor/Switch 'A' Circuit/Open
Quick Answer
The diagnostic trouble code P07B2 indicates an issue with the Transmission Park Position Sensor/Switch 'A' Circuit being open. Common causes include Faulty transmission park position sensor/switch, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connection in the sensor circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P07B2 indicates Transmission Park Position Sensor/Switch 'A' Circuit/Open.
- Common causes
- Common causes include Faulty transmission park position sensor/switch, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connection in the sensor circuit.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P07B2 Description
The diagnostic trouble code P07B2 indicates an issue with the Transmission Park Position Sensor/Switch 'A' Circuit being open. This sensor is responsible for signaling the transmission control module when the gear shift lever is in the park position. When this sensor malfunctions or the circuit is open, it can cause various issues with the vehicle's transmission system.
Common Causes of P07B2
- Faulty transmission park position sensor/switch
- Damaged wiring or connectors in the sensor circuit
- Corrosion or poor connection in the sensor circuit
- Electrical issues in the transmission control module
- Mechanical issues with the transmission park position mechanism
Symptoms of P07B2
- Difficulty starting the vehicle
- Vehicle starting in gear
- Inability to shift gears properly
- Transmission getting stuck in one gear
- Check Engine light illuminated
How to Fix P07B2
- Begin by diagnosing the issue using a diagnostic scanner to confirm the P07B2 code.
- Inspect the transmission park position sensor/switch for any visible damage or signs of malfunction.
- Check the wiring and connectors in the sensor circuit for corrosion, damage, or poor connections.
- Test the transmission control module for any electrical issues that may be affecting the sensor circuit.
- Replace the faulty sensor or repair any damaged wiring/connectors to resolve the open circuit issue.
Cost to Fix P07B2
The typical repair costs for addressing the Transmission Park Position Sensor/Switch 'A' Circuit/Open issue can range from $150 to $400, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.
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