• Check Engine Light is on
• Reduced engine performance
• Unresponsive throttle
• Faulty throttle position sensor
• Wiring issues such as open or short circuits
• Faulty ECM
ECM: Engine Control Module
OBD-II: On-Board Diagnostics II
• P2135
• P2136
Throttle/Pedal Position Sensor/Switch B/C Voltage Correlation
This code means that the car's computer is confused because it's getting different signals from two parts that help control the car's speed. It's like if you asked two friends for directions and they told you to go different ways.
The Engine Control Module (ECM) detects a mismatch in the voltage signals from the throttle position sensors B and C.
The P2137 code is triggered when the ECM detects that the voltage readings from the throttle position sensors B and C do not correlate as expected. These sensors provide data to the ECM about the position of the throttle, which is crucial for controlling the engine's air intake and, consequently, its speed and power output.
• Use an OBD-II scanner to confirm the code
• Visually inspect the wiring and connectors for damage
• Test the throttle position sensors using a multimeter
• Replace the faulty throttle position sensor
• Repair or replace damaged wiring
• Reprogram or replace the ECM if necessary
• OBD-II scanner
• Multimeter
• Screwdriver set
$150 - $400
Moderate
• Ford F-150
• Chevrolet Silverado
• Toyota Camry
• Regularly inspect and maintain throttle components
• Ensure wiring connections are secure
• Keep the throttle body clean
Sensor Issue
• Do not ignore the Check Engine Light
• Avoid driving at high speeds until the issue is resolved
Check with your vehicle manufacturer for specific warranty coverage on throttle components.
This code has been associated with issues in vehicles using electronic throttle control systems, which have become more common in modern cars.
Moderate – It is important to address this issue to prevent further engine performance problems.
Driving with a malfunctioning throttle position sensor can lead to unsafe driving conditions. Address the issue promptly.
• Engine running
• Throttle pedal movement
The throttle position sensors are typically located on the throttle body, which is connected to the intake manifold.
Q: Can I drive my car with a P2137 code?
A: It's not recommended as it can lead to reduced engine performance and unsafe driving conditions.
Q: How do I reset the Check Engine Light after fixing the issue?
A: You can use an OBD-II scanner to clear the code, or disconnect the battery for a few minutes.
