AutoCodes – Saturn – C0055 Saturn

C0055 Saturn Code - Rear Wheel Speed Sensor Circuit

Quick Answer

The Electronic Control Module (ECM) convert the data from the chicle speed sensor to a 128K pulse/mile signal. Common causes include Faulty Rear Wheel Speed Sensor, Rear Wheel Speed Sensor harness is open or shorted, 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: C0055 Saturn indicates Rear Wheel Speed Sensor Circuit.
Common causes: Common causes include Faulty Rear Wheel Speed Sensor, Rear Wheel Speed Sensor harness is open or shorted, 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 1,570

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 C0055 Saturn Description

The Electronic Control Module (ECM) convert the data from the chicle speed sensor to a 128K pulse/mile signal. The Electronic Brake Control Module (EBCM) uses the vehicle speed signal from the ECM in order to calculate the rear wheel speed.

OBDII Code C0055 Saturn - Rear Wheel Speed Sensor Circuit - AutoCodes.com — C0055 Saturn Code - Rear Wheel Speed Sensor Circuit

What does this mean?

What are the Possible Causes of the DTC C0055 Saturn?

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

How to Fix the DTC C0055 Saturn?

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 C0055 Saturn 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 C0055 Saturn code?

Need more information on how to fix the C0055 Saturn code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0055 Saturn code diagnosed by a professional: Find a repair shop in your area

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 C0055 Saturn Code

1. What are common symptoms of OBDII code C0055 in a Saturn related to the rear wheel speed sensor circuit?

The common symptoms include ABS warning light illuminated on the dashboard, traction control system malfunctions, and potential loss of stability control.

2. What are some possible causes for OBDII code C0055 in a Saturn indicating an issue with the rear wheel speed sensor circuit?

Potential causes include a faulty rear wheel speed sensor, damaged wiring or connectors in the circuit, or issues with the ABS module.

3. How can I diagnose the OBDII code C0055 in my Saturn's rear wheel speed sensor circuit?

Diagnosis involves using a scan tool to retrieve the specific fault code, performing a visual inspection of the sensor and its wiring, and testing the sensor's resistance and output signal.

4. Can I still drive my Saturn with OBDII code C0055 related to the rear wheel speed sensor circuit?

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. Are there any DIY repair tips for fixing OBDII code C0055 in a Saturn due to a rear wheel speed sensor circuit issue?

DIY repair tips include checking and cleaning the sensor and its connectors, inspecting for any visible damage or corrosion, and ensuring proper installation and alignment of the sensor.

6. How much does it typically cost to repair OBDII code C0055 in a Saturn caused by a fault in the rear wheel speed sensor circuit?

The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

7. Can OBDII code C0055 in a Saturn be intermittent or sporadic in nature?

Yes, the code can be intermittent, especially if the issue is related to a loose connection, intermittent sensor signal, or occasional wiring fault.

8. Is it necessary to reset the OBDII system after fixing the issue causing code C0055 in a Saturn's rear wheel speed sensor circuit?

Yes, it is recommended to clear the code and reset the OBDII system after addressing the problem to ensure proper functionality and to check if the issue has been resolved.

9. Will fixing OBDII code C0055 in a Saturn's rear wheel speed sensor circuit require specialized tools or equipment?

While basic tools may be sufficient for some repairs, diagnosing and fixing certain issues with the rear wheel speed sensor circuit may require specialized diagnostic equipment or professional expertise.

10. What are the potential safety implications of ignoring OBDII code C0055 in a Saturn related to the rear wheel speed sensor circuit?

Ignoring the code can lead to compromised braking performance, reduced traction control effectiveness, and increased risk of loss of vehicle control in hazardous driving conditions.