AutoCodesMitsubishi – P1237 Mitsubishi

P1237 Mitsubishi Code - Accelerator Pedal Position Sensor Plausibility

Quick Answer

P1237 Mitsubishi indicates Accelerator Pedal Position Sensor Plausibility. Common causes include Faulty Accelerator Pedal Position (APP) Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position Sensor circuit poor electrical connection. 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
P1237 Mitsubishi indicates Accelerator Pedal Position Sensor Plausibility.
Common causes
Common causes include Faulty Accelerator Pedal Position (APP) Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position Sensor circuit poor electrical connection.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,422
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 20, 2020
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Code P1237 Mitsubishi Description

OBDII Code P1237 Mitsubishi - Accelerator Pedal Position Sensor Plausibility - AutoCodes.com
P1237 Mitsubishi Code - Accelerator Pedal Position Sensor Plausibility

What are the Possible Causes of the DTC P1237 Mitsubishi?

  • Faulty Accelerator Pedal Position (APP) Sensor
  • Accelerator Pedal Position Sensor harness is open or shorted
  • Accelerator Pedal Position Sensor circuit poor electrical connection

How to Fix the DTC P1237 Mitsubishi?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1237 Mitsubishi code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1237 Mitsubishi code?

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Need Help with the Code?

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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 P1237 Mitsubishi Code

1. What does the OBDII code P1237 mean on a Mitsubishi?

P1237 indicates an issue with the Accelerator Pedal Position Sensor's plausibility, meaning the sensor's readings are inconsistent or outside expected parameters.

2. What are the common symptoms of a P1237 code in a Mitsubishi?

Symptoms include reduced engine performance, poor throttle response, illumination of the check engine light, and potentially the vehicle entering limp mode.

3. What causes the P1237 code to appear?

Common causes include a faulty accelerator pedal position sensor, damaged wiring or connectors, or issues with the throttle body.

4. Can I drive my Mitsubishi with a P1237 code?

It is not recommended to drive for extended periods with this code, as it can lead to reduced performance and safety concerns if the vehicle enters limp mode.

5. How do I diagnose a P1237 code?

Diagnose by using an OBDII scanner to confirm the code, visually inspecting the pedal position sensor and its wiring, and testing the sensor’s voltage output with a multimeter.

6. How is the P1237 code fixed?

Repairs may involve replacing the accelerator pedal position sensor, repairing damaged wiring or connectors, or recalibrating the sensor with specialized tools.

7. Is the accelerator pedal position sensor expensive to replace?

The cost varies depending on the model year, but the sensor itself is generally affordable, with labor costs depending on the repair shop.

8. Can a dirty throttle body cause a P1237 code?

Yes, a dirty or malfunctioning throttle body can cause inconsistencies in sensor readings, which may trigger the P1237 code.

9. Do I need to clear the P1237 code after repairs?

Yes, after completing repairs, use an OBDII scanner to clear the code and ensure it does not return after a test drive.

10. Can a low battery cause a P1237 code?

A weak or low battery can sometimes cause voltage irregularities, potentially triggering sensor plausibility codes like P1237.

Discuss the causes and fixes for P1237 Mitsubishi OBDII Code

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