Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is getting confusing signals from the sensors that measure how fast the car is moving. It's like when your watch and your phone show different times, and you don't know which one is right.
The vehicle's engine control module (ECM) is detecting a mismatch between the signals from two speed sensors (A and B) that should be reading the same speed.
The P2162 code is set when the ECM receives inconsistent or mismatched signals from the Vehicle Speed Sensor A and Vehicle Speed Sensor B. These sensors are responsible for providing accurate vehicle speed information, and a discrepancy can affect the vehicle's performance and safety systems.
• Inaccurate speedometer reading
• ABS or traction control warning lights
• Transmission shifting issues
• Cruise control not working
• Faulty Vehicle Speed Sensor A
• Faulty Vehicle Speed Sensor B
• Wiring issues or poor connections
• Faulty ECM
• Damaged tone ring or reluctor wheel
ECM: Engine Control Module, the computer that manages the engine's functions.
Tone Ring: A component that works with the speed sensor to measure wheel speed.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the speed sensors.
• Test the speed sensors for proper operation.
• Check the tone ring or reluctor wheel for damage.
• Replace faulty speed sensor(s).
• Repair or replace damaged wiring or connectors.
• Replace the ECM if necessary.
• Repair or replace the tone ring or reluctor wheel.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $400
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain speed sensors.
• Ensure wiring and connectors are secure and undamaged.
• Perform routine vehicle diagnostics.
Sensor Issue
• Do not ignore the warning lights on the dashboard.
• Have the vehicle inspected by a professional if unsure.
• Avoid using cruise control until the issue is resolved.
Check with the vehicle manufacturer for warranty coverage on sensors and related components.
This code has been reported in various vehicles when there is a mismatch in speed sensor readings, often due to sensor failure or wiring issues.
Moderate – It is important to address this issue to ensure accurate speed readings and proper vehicle operation.
Driving with inaccurate speed readings can be unsafe and may lead to legal issues if the speedometer is not functioning correctly.
• Vehicle must be in motion.
• Sensors must be connected and powered.
The vehicle speed sensors are typically located on the transmission or wheel hubs.
Q: Can I drive with a P2162 code?
A: It's not recommended to drive for extended periods with this code as it can affect vehicle safety systems.
Q: Will a P2162 code affect my fuel efficiency?
A: Yes, incorrect speed readings can affect fuel efficiency and transmission performance.
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