Engine-CodesGeneric – P2162

P2162 Code - Vehicle Speed Sensor 'A'/'B' Correlation

Quick Answer

The diagnostic trouble code P2162 indicates a problem with the correlation between the Vehicle Speed Sensor 'A' and 'B'. Common causes include Faulty Vehicle Speed Sensor, Wiring or connector issues, ECM malfunction. 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
P2162 indicates Vehicle Speed Sensor 'A'/'B' Correlation.
Common causes
Common causes include Faulty Vehicle Speed Sensor, Wiring or connector issues, ECM malfunction.
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 15, 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 P2162 Description

The diagnostic trouble code P2162 indicates a problem with the correlation between the Vehicle Speed Sensor 'A' and 'B'. The Vehicle Speed Sensor (VSS) is a crucial component in modern vehicles that helps monitor the speed of the vehicle. The VSS provides important data to the engine control module (ECM) to assist in various functions such as shifting gears, controlling fuel injection, and regulating the speedometer.

OBDII Code P2162 - Vehicle Speed Sensor 'A'/'B' Correlation
P2162 Code - Vehicle Speed Sensor 'A'/'B' Correlation

Common Causes of P2162

  1. Faulty Vehicle Speed Sensor
  2. Wiring or connector issues
  3. ECM malfunction
  4. Sensor alignment or mounting problems
  5. Mechanical damage to the sensors

Symptoms of P2162

  1. Inaccurate speedometer readings
  2. Erratic shifting or transmission problems
  3. Engine stalling or hesitation
  4. Illuminated Check Engine Light
  5. Limp mode activation

How to Fix P2162

  1. Diagnose the issue by using a scan tool to check for the P2162 code and perform a visual inspection of the VSS and related components.
  2. Test the Vehicle Speed Sensors 'A' and 'B' using a multimeter to check for proper resistance and signal output.
  3. Inspect the wiring harness and connectors for any signs of damage or corrosion. Repair or replace as needed.
  4. Reset the ECM and clear the trouble code. Test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, consider replacing the Vehicle Speed Sensors or seeking professional help for further diagnosis and repair.

Cost to Fix P2162

The typical repair costs for addressing the Vehicle Speed Sensor 'A'/'B' Correlation issue can range from $100 to $300, depending on the extent of the problem and the cost of parts. This estimate includes the cost of new sensors, wiring repairs, and labor. It is important to note that specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It is advisable to consult with a trusted mechanic or shop to get a more accurate estimate for your specific situation.

When is the Code Detected?

The Engine Control Module (ECM) detects a rear LH wheel sensor signal or a rear RH wheel sensor signal transmitted from the ABS actuator and electric unit (control unit) via Control Area Network (CAN) communication at least for 5 seconds in a row when the vehicle is in stopped condition.

Need more information about the P2162 code?

Need more information on how to fix the P2162 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2162 code diagnosed by a professional: Find a repair shop in your area

Code P2162 Information for Specific Makes

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 P2162 Code

1. What are the common symptoms of OBDII code P2162?

- Common symptoms include erratic speedometer readings, improper shifting of gears, and the vehicle going into limp mode.

2. What can cause OBDII code P2162 to trigger?

- This code is typically triggered by a malfunction in the vehicle speed sensor circuit, such as a faulty speed sensor or wiring issue.

3. How do I diagnose the cause of OBDII code P2162?

- Diagnosing this code usually involves checking the vehicle speed sensor, inspecting the wiring for damage, and ensuring proper connections.

4. Can a faulty vehicle speed sensor cause other issues besides triggering code P2162?

- Yes, a faulty vehicle speed sensor can also cause issues like inaccurate speedometer readings, problems with cruise control, and issues with the transmission.

5. How can I repair OBDII code P2162?

- Repairing this code often involves replacing the faulty vehicle speed sensor, repairing any damaged wiring, and clearing the code with an OBDII scanner.

6. Are there any DIY tips for fixing code P2162?

- DIY enthusiasts can attempt to replace the vehicle speed sensor themselves by following the vehicle's service manual or online tutorials, if comfortable with automotive repairs.

7. Does OBDII code P2162 pose a safety risk while driving?

- While the vehicle may still be drivable with this code, it is important to address the issue promptly to ensure proper functioning of the speedometer and transmission.

8. Can a mechanic reset the OBDII code P2162 without fixing the underlying issue?

- Yes, a mechanic can clear the code temporarily, but it is crucial to address the root cause to prevent the code from reoccurring.

9. How long does it typically take to repair OBDII code P2162?

- The repair time can vary based on the exact cause of the code, but it often takes between 1 to 3 hours for a mechanic to diagnose and fix the issue.

10. Is it safe to continue driving with OBDII code P2162 unresolved?

- It is not recommended to drive with this code unresolved as it can lead to further issues with the vehicle's speedometer and transmission operation.

Discuss the causes and fixes for P2162 OBDII Code

Code P2162 comments

No comments found for this page.