P071D Code - Transmission Mode Switch 'B' Circuit
Quick Answer
The P071D diagnostic trouble code (DTC) refers to an issue with the Transmission Mode Switch 'B' Circuit. Common causes include Faulty transmission mode switch, Damaged wiring or connectors in the circuit, Malfunctioning transmission control module. 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
- P071D indicates Transmission Mode Switch 'B' Circuit.
- Common causes
- Common causes include Faulty transmission mode switch, Damaged wiring or connectors in the circuit, Malfunctioning transmission control module.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P071D Description
The P071D diagnostic trouble code (DTC) refers to an issue with the Transmission Mode Switch 'B' Circuit. This code indicates that there is a malfunction in the circuit responsible for detecting the transmission mode selected by the driver. The transmission mode switch is an essential component that allows the vehicle's computer system to determine whether the driver has selected Park, Reverse, Neutral, Drive, or other transmission modes. When this circuit malfunctions, it can lead to incorrect readings being sent to the vehicle's computer, resulting in various performance issues.
Common Causes of P071D
- Faulty transmission mode switch
- Damaged wiring or connectors in the circuit
- Malfunctioning transmission control module
- Corrosion or moisture in the circuit
- Electrical issues such as blown fuses or relays
Symptoms of P071D
- Harsh or delayed shifting
- Erratic behavior while driving
- Transmission getting stuck in a specific gear
- Inaccurate display of selected transmission mode
- Malfunction of safety features like backup camera or parking assist systems
How to Fix P071D
- Diagnose the issue by using a scan tool to retrieve the DTC and inspect the transmission mode switch and related components.
- Test the transmission mode switch for proper functionality and replace if necessary.
- Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as needed.
- Check the transmission control module for any faults and reprogram or replace if required.
- Clear the DTC and perform a test drive to ensure the issue has been resolved.
Cost to Fix P071D
The typical repair costs for addressing the P071D code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the cost of parts for replacing the transmission mode switch or repairing the wiring/connectors can range from $100 to $300. Labor costs can add an additional $100 to $300, with total repair costs typically falling between $200 and $600. It's important to note that these estimates are rough averages, and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. Additionally, diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more precise estimate.
Need more information about the P071D code?
Need more information on how to fix the P071D code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P071D code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P071D Code
No Frequently Asked Questions about P071D Code found.
Discuss the causes and fixes for P071D OBDII Code
Code P071D comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.