AutoCodes – Saturn – C0046 Saturn

C0046 Saturn Code - Left Rear Wheel Speed Sensor Circuit Range Performance

Quick Answer

The Wheel Speed Sensor (WSS) receives ignition voltage from the Electronic Brake Control Module (EBCM) and provides a DC square wave signal back to the module. 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: C0046 Saturn indicates Left Rear Wheel Speed Sensor Circuit Range Performance.
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 1,948

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 C0046 Saturn Description

The Wheel Speed Sensor (WSS) receives ignition voltage from the Electronic Brake Control Module (EBCM) and provides a DC square wave signal back to the module. As the wheel spins, the EBCM uses the frequency of the square wave signal to calculate the wheel speed.

OBDII Code C0046 Saturn - Left Rear Wheel Speed Sensor Circuit Range Performance - AutoCodes.com — C0046 Saturn Code - Left Rear Wheel Speed Sensor Circuit Range Performance

What does this mean?

What are the Possible Causes of the DTC C0046 Saturn?

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 C0046 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 C0046 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 C0046 Saturn code?

Need more information on how to fix the C0046 Saturn code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0046 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 C0046 Saturn Code

1. What are the common symptoms of OBDII code C0046 on a Saturn indicating a Left Rear Wheel Speed Sensor Circuit Range Performance issue?

The common symptoms include the ABS light illuminating on the dashboard, erratic braking behavior, and potential traction control system malfunctions.

2. What are the possible causes of OBDII code C0046 on a Saturn?

Possible causes include a faulty left rear wheel speed sensor, damaged wheel speed sensor wiring or connectors, issues with the ABS module, or a problem with the vehicle's computer system.

3. How can I diagnose the source of OBDII code C0046 on my Saturn?

Diagnosis involves using a diagnostic scanner to retrieve the trouble codes, inspecting the left rear wheel speed sensor and its wiring for damage, testing the sensor's resistance, and checking the ABS module for any faults.

4. Can I continue driving my Saturn with OBDII code C0046 present?

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, potentially compromising vehicle safety.

5. How can I repair OBDII code C0046 on my Saturn?

Repair options may include replacing the left rear wheel speed sensor, repairing or replacing damaged wiring or connectors, resetting the fault codes with a diagnostic tool, or seeking assistance from a qualified mechanic.

6. Are there any DIY tips for fixing OBDII code C0046 on a Saturn?

DIY enthusiasts with automotive repair experience may attempt to replace the left rear wheel speed sensor themselves, following manufacturer guidelines and using proper tools to ensure a successful repair.

7. What is the importance of addressing OBDII code C0046 promptly on a Saturn?

Promptly addressing this code is crucial to maintaining the proper functioning of the vehicle's safety systems, such as ABS and traction control, and ensuring safe driving conditions.

8. Can extreme weather conditions cause OBDII code C0046 to trigger on a Saturn?

Extreme weather conditions, such as heavy rain or snow, can potentially affect the performance of the wheel speed sensors and trigger code C0046 if water or debris interferes with their operation.

9. Is it necessary to clear the OBDII code C0046 after repairing the issue on a Saturn?

Yes, it is recommended to clear the fault codes using a diagnostic scanner after repairing the issue to reset the system and ensure the ABS and traction control systems are functioning properly.

10. Will OBDII code C0046 on a Saturn cause any permanent damage if left unresolved?

Leaving this code unresolved can lead to further issues with the ABS and traction control systems, potentially compromising vehicle safety and causing additional damage over time.