The P071D OBD-II code indicates an issue with the Transmission Mode Switch “B” Circuit. This code is part of the On-Board Diagnostics II (OBD-II) system that monitors the performance of various components in your vehicle.
What Does the P071D Code Mean?
The P071D code means that there is a malfunction detected in the Transmission Mode Switch “B” Circuit. This switch plays a crucial role in enhancing the transmission’s shifting capabilities, particularly when towing. If the switch malfunctions, it may disable the towing mode.
What Causes the P071D Code?
Several factors can trigger the P071D code, including:
- Shift lever assembly failure
- Transmission Control Module (TCM) failure
- Wiring issues
What Are the Symptoms of the P071D Code?
The primary symptom associated with the P071D code is the disabling of the towing mode. This can affect the vehicle’s performance when towing heavy loads.
How Serious Is the P071D Code?
The P071D code is classified as an urgent issue. It indicates a significant malfunction that may lead to severe damage to the vehicle or pose a risk to the driver and passengers. Immediate attention is required to avoid further complications.
How to Diagnose the P071D Code
Diagnosing the P071D code typically involves the following steps:
- Use an OBD-II scanner to confirm the P071D code and check for any additional codes.
- Inspect the wiring and connectors related to the Transmission Mode Switch for any signs of damage or corrosion.
- Examine the shift lever assembly for proper operation.
- Test the Transmission Control Module (TCM) to ensure it is functioning correctly.
Common Repairs for the P071D Code
Repairs for the P071D code may include:
- Replacing the shift lever assembly
- Repairing or replacing damaged wiring and connectors
- Reprogramming or replacing the Transmission Control Module (TCM)
How Much Does It Cost to Fix the P071D Code?
The cost of repairs for the P071D code can vary widely based on the specific issue and the make and model of your vehicle. On average, you might expect to pay between $150 to $800 for repairs, including parts and labor.
Can I Fix the P071D Code Myself?
While some DIY enthusiasts may have the skills to diagnose and repair issues related to the P071D code, it is essential to have a solid understanding of automotive systems. If you are not confident in your ability to diagnose and repair the issue, it is advisable to seek professional help to avoid further damage.
