AutoCodes – Jeep – C0037 Jeep

C0037 Jeep Code - Left Rear Wheel Speed Sensor

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Wheel Speed Sensor. Common causes include Faulty Left Rear Wheel Speed Sensor, Left Rear Wheel Speed Sensor harness is open or shorted, Left Rear Wheel Speed 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: C0037 Jeep indicates Left Rear Wheel Speed Sensor.
Common causes: Common causes include Faulty Left Rear Wheel Speed Sensor, Left Rear Wheel Speed Sensor harness is open or shorted, Left Rear Wheel Speed 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.

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Code Popularity 4,640

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0037 Jeep Description

The Anti-Lock Brake System (ABS) Module monitors the Left Rear Wheel Speed Sensor. The ABS Module sets the OBDII code when the Left Rear Wheel Speed Sensor is not to factory specifications.

OBDII Code C0037 Jeep - Left Rear Wheel Speed Sensor - AutoCodes.com — C0037 Jeep Code - Left Rear Wheel Speed Sensor

What does this mean?

What are the Possible Causes of the DTC C0037 Jeep?

Faulty Left Rear Wheel Speed Sensor
Left Rear Wheel Speed Sensor harness is open or shorted
Left Rear Wheel Speed Sensor circuit poor electrical connection

How to Fix the DTC C0037 Jeep?

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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0037 Jeep 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 C0037 Jeep code?

Need more information on how to fix the C0037 Jeep code? Get Access to Factory Service Manuals

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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 C0037 Jeep Code

1. What are the common symptoms of OBDII code C0037 in a Jeep related to the left rear wheel speed sensor?

The common symptoms include ABS warning light illuminated on the dashboard, traction control system malfunction, and erratic braking behavior.

2. What are the possible causes of OBDII code C0037 in a Jeep indicating a fault with the left rear wheel speed sensor?

Possible causes include a faulty left rear wheel speed sensor, damaged sensor wiring, corroded connectors, or issues with the ABS module.

3. How can I diagnose the issue causing OBDII code C0037 in my Jeep related to the left rear wheel speed sensor?

Diagnosis involves using a scan tool to retrieve the specific fault code, inspecting the left rear wheel speed sensor and its wiring for damage, and testing the sensor's resistance and signal output.

4. Can I still drive my Jeep with OBDII code C0037 related to the left rear wheel speed sensor?

It is not recommended to drive the vehicle with this code present, as it can affect the proper functioning of the ABS and traction control systems, compromising safety.

5. What is the typical repair process for resolving OBDII code C0037 in a Jeep due to the left rear wheel speed sensor issue?

The repair process usually involves replacing the faulty left rear wheel speed sensor, repairing or replacing damaged wiring, cleaning corroded connectors, and clearing the fault code with a scan tool.

6. Are there any DIY tips for addressing OBDII code C0037 in a Jeep linked to the left rear wheel speed sensor?

DIY tips include carefully inspecting the sensor and wiring for visible damage, ensuring proper connections, and referring to the vehicle's service manual for specific repair procedures.

7. How critical is it to address OBDII code C0037 in a Jeep related to the left rear wheel speed sensor promptly?

It is important to address this code promptly to prevent potential safety hazards due to compromised ABS and traction control functionality.

8. Can weather or road conditions impact the left rear wheel speed sensor and trigger OBDII code C0037 in a Jeep?

Extreme weather conditions or driving on rough terrain can potentially damage the left rear wheel speed sensor or its wiring, leading to the triggering of this fault code.

9. Is it necessary to recalibrate or reset any systems after fixing OBDII code C0037 in a Jeep caused by the left rear wheel speed sensor issue?

After repairing the issue, it is advisable to clear the fault code using a scan tool to reset the system and ensure proper operation of the ABS and traction control functions.

10. How can regular maintenance help prevent issues like OBDII code C0037 in a Jeep related to the left rear wheel speed sensor?

Regular maintenance, including inspecting and cleaning the wheel speed sensors and their connections, can help prevent issues like this code from occurring due to sensor malfunctions or wiring problems.