Engine-CodesGeneric – P07B2

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.
Table of contents Created and updated by William Orellana on Sep 06, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

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.

OBDII Code P07B2 - Transmission Park Position Sensor/Switch 'A' Circuit/Open
P07B2 Code - Transmission Park Position Sensor/Switch 'A' Circuit/Open

Common Causes of P07B2

  1. Faulty transmission park position sensor/switch
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or poor connection in the sensor circuit
  4. Electrical issues in the transmission control module
  5. Mechanical issues with the transmission park position mechanism

Symptoms of P07B2

  1. Difficulty starting the vehicle
  2. Vehicle starting in gear
  3. Inability to shift gears properly
  4. Transmission getting stuck in one gear
  5. Check Engine light illuminated

How to Fix P07B2

  1. Begin by diagnosing the issue using a diagnostic scanner to confirm the P07B2 code.
  2. Inspect the transmission park position sensor/switch for any visible damage or signs of malfunction.
  3. Check the wiring and connectors in the sensor circuit for corrosion, damage, or poor connections.
  4. Test the transmission control module for any electrical issues that may be affecting the sensor circuit.
  5. 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.

Need more information about the P07B2 code?

Need more information on how to fix the P07B2 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P07B2 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P07B2 Code

No Frequently Asked Questions about P07B2 Code found.

Discuss the causes and fixes for P07B2 OBDII Code

Code P07B2 comments

No comments found for this page.