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P2137 Dodge Code - Throttle/Pedal Position Sensor/Switch 'B'/'C' Voltage Correlation

Quick Answer

The P2137 diagnostic trouble code (DTC) for Dodge vehicles refers to an issue with the Throttle/Pedal Position Sensor/Switch 'B'/'C' voltage correlation. Common causes include Faulty throttle position sensor or pedal position sensor, Wiring harness issues, such as damaged or corroded wires, Throttle body malfunction or contamination. 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
P2137 Dodge indicates Throttle/Pedal Position Sensor/Switch 'B'/'C' Voltage Correlation.
Common causes
Common causes include Faulty throttle position sensor or pedal position sensor, Wiring harness issues, such as damaged or corroded wires, Throttle body malfunction or contamination.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P2137 Dodge Description

The P2137 diagnostic trouble code (DTC) for Dodge vehicles refers to an issue with the Throttle/Pedal Position Sensor/Switch 'B'/'C' voltage correlation. This means that there is a discrepancy between the voltage signals from the throttle position sensor and the pedal position sensor, which are crucial components for the vehicle's electronic throttle control system.

OBDII Code P2137 Dodge - Throttle/Pedal Position Sensor/Switch 'B'/'C' Voltage Correlation
P2137 Dodge Code - Throttle/Pedal Position Sensor/Switch 'B'/'C' Voltage Correlation

Common Causes of P2137 Dodge

  1. Faulty throttle position sensor or pedal position sensor.
  2. Wiring harness issues, such as damaged or corroded wires.
  3. Throttle body malfunction or contamination.
  4. Electronic control module (ECM) software errors.
  5. Poor electrical connections or grounds.

Symptoms of P2137 Dodge

  1. Erratic acceleration or lack of response when pressing the accelerator pedal.
  2. Engine stalling or hesitation during acceleration.
  3. Illumination of the Check Engine Light on the dashboard.
  4. Reduced fuel efficiency or rough idling.
  5. Limited engine power or limp mode activation.

How to Fix P2137 Dodge

  1. Begin by conducting a thorough diagnostic scan to retrieve the specific trouble codes and identify the affected sensors.
  2. Inspect the wiring harness for any signs of damage, corrosion, or loose connections. Repair or replace any faulty wiring.
  3. Test the throttle position sensor and pedal position sensor using a multimeter to ensure they are functioning within the manufacturer's specifications. Replace any sensors that are out of range.
  4. Clean the throttle body to remove any carbon buildup or debris that may be affecting its operation.
  5. Clear the trouble codes from the ECM's memory and perform a test drive to verify that the issue has been resolved.

Cost to Fix P2137 Dodge

The cost of repairing a P2137 code on a Dodge vehicle can vary depending on the specific model, year, and the extent of the problem. On average, the parts needed for this repair, such as new sensors or wiring components, could range from $100 to $300. The labor costs for a professional mechanic to diagnose and fix the issue could add an additional $150 to $300 to the total bill. Overall, the total repair cost could fall between $250 and $600, but it is essential to consult with a local auto repair shop for a more accurate estimate based on your vehicle's unique circumstances. Keep in mind that labor rates can fluctuate based on location and the repair facility's hourly rates.

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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 P2137 Dodge Code

1. What does the OBDII code P2137 mean on a Dodge vehicle?

P2137 indicates a voltage correlation issue between the Throttle/Pedal Position Sensor 'B' and 'C.' This means their signals are not matching as expected by the vehicle's computer.

2. What are the symptoms of the P2137 code in a Dodge?

Common symptoms include reduced engine power, throttle hesitation, the engine entering "limp mode," and the illumination of the check engine light.

3. What causes the P2137 code to appear?

The code can be caused by faulty throttle or pedal position sensors, wiring issues like corrosion or damage, or problems with the engine control module (ECM).

4. Can I drive my Dodge with a P2137 code?

Driving with a P2137 code is not recommended, as it may lead to poor throttle response and unsafe driving conditions. It’s best to address the issue promptly.

5. How do I diagnose the P2137 code on my Dodge?

Start by inspecting the throttle and pedal position sensors, checking for damaged wiring or loose connections, and using a scan tool to compare sensor voltage readings.

6. How do I fix the P2137 code in my Dodge?

Repairs may include replacing the faulty throttle or pedal position sensor, repairing or replacing damaged wiring, or reprogramming/updating the ECM.

7. Can a dirty throttle body cause the P2137 code?

While a dirty throttle body is not a direct cause of P2137, it can contribute to throttle-related issues. Cleaning the throttle body may help if other components are functioning properly.

8. How much does it cost to fix the P2137 code on a Dodge?

Repair costs vary but typically range from $100 to $500, depending on whether the issue is a sensor replacement, wiring repair, or ECM reprogramming.

9. Does the P2137 code require reprogramming the ECM?

Reprogramming the ECM is not always necessary but may be required if the issue is related to a software problem or after replacing the ECM.

10. Can a low battery cause the P2137 code in a Dodge?

A low battery or unstable voltage can potentially trigger sensor-related codes like P2137. Ensure your battery and charging system are functioning correctly before further diagnosis.

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