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P215B OBD2: Vehicle Speed - Output Shaft Speed Correlation

P215B OBD2: Vehicle Speed – Output Shaft Speed Correlation

The P215B OBD-II code is a diagnostic trouble code that indicates a correlation issue between the vehicle speed sensor and the output shaft speed sensor.

What Does the P215B Code Mean?

The P215B code refers to a discrepancy detected by the vehicle’s onboard diagnostic system between the speeds reported by the Wheel Speed Sensors and the Output Shaft Speed Sensor. This inconsistency can lead to problems with the vehicle’s transmission and overall performance.

What Causes the P215B Code?

Several factors can trigger the P215B code, including:

  • Failure of the Anti-lock Brake (ABS) control module
  • High voltage powertrain control module failure
  • Wiring issues that affect sensor communication

What Are the Symptoms of the P215B Code?

Drivers may experience a variety of symptoms when the P215B code is present, such as:

  • Transmission may not shift properly

How Serious Is the P215B Code?

While the P215B code is classified as a moderate severity issue, it should not be ignored. Although it may not immediately threaten the vehicle’s safety or functionality, it is crucial to have the code diagnosed and resolved to prevent further complications.

How to Diagnose the P215B Code

To properly diagnose the P215B code, a mechanic will typically perform the following steps:

  • Use an OBD-II scanner to confirm the presence of the P215B code.
  • Inspect the wiring and connectors associated with the ABS and output shaft speed sensors.
  • Test the sensors to ensure they are functioning correctly.
  • Check the control modules for any faults.

Common Repairs for the P215B Code

Repairs for the P215B code may include:

  • Replacing faulty wheel speed sensors
  • Repairing or replacing damaged wiring
  • Replacing the ABS control module
  • Addressing issues with the powertrain control module

How Much Does It Cost to Fix the P215B Code?

The cost to fix the P215B code can vary widely depending on the underlying issue and the labor rates in your area. Generally, repairs can range from $100 to $1,500, depending on whether simple wiring repairs or more complex sensor replacements are required.

Can I Fix the P215B Code Myself?

While some experienced DIY enthusiasts may tackle repairs related to the P215B code, it is recommended to seek professional assistance. Diagnosing and repairing issues related to the ABS and transmission systems can be complex and may require specialized tools and knowledge.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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