AutoCodes – Chevrolet – C0208 Chevrolet

C0208 Chevrolet Code - Steering Wheel Position Sensor

Quick Answer

The steering wheel position sensor produces 2 separate voltage signals to indicate steering wheel position to the Real Time Damping (RTD) module. Common causes include Faulty Steering Wheel Position Sensor, Steering Wheel Position Sensor harness is open or shorted, Steering Wheel 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: C0208 Chevrolet indicates Steering Wheel Position Sensor.
Common causes: Common causes include Faulty Steering Wheel Position Sensor, Steering Wheel Position Sensor harness is open or shorted, Steering Wheel 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.

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Code Popularity 1,213

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 09, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0208 Chevrolet Description

The steering wheel position sensor produces 2 separate voltage signals to indicate steering wheel position to the Real Time Damping (RTD) module. The RTD module converts each signal into a Pulse Width Modulated (PWM) signal to indicate steering wheel position to the Electronic Brake Control Module (EBCM). The EBCM supplies 5 volts to the RTD module on each steering wheel position PWM serial data circuit. The RTD module toggles each of these voltages to ground in order to create the PWM signals. Each PWM signal must have a frequency of 121-134 Hz and a duty cycle of 9-91 percent in order to be a valid steering wheel position signal. With each 360 degree rotation of the steering wheel, each signal transitions from the minimum duty cycle to the maximum duty cycle and then back to the minimum duty cycle. The steering wheel position signals are spaced 90 degrees apart. Therefore, the duty cycles of the 2 signals usually differ, depending on steering wheel position.

OBDII Code C0208 Chevrolet - Steering Wheel Position Sensor - AutoCodes.com — C0208 Chevrolet Code - Steering Wheel Position Sensor

What does this mean?

What are the Possible Causes of the DTC C0208 Chevrolet?

Faulty Steering Wheel Position Sensor
Steering Wheel Position Sensor harness is open or shorted
Steering Wheel Position Sensor circuit poor electrical connection

How to Fix the DTC C0208 Chevrolet?

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 C0208 Chevrolet 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.

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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 C0208 Chevrolet Code

1. What does the OBDII code C0208 mean on a Chevrolet?

C0208 indicates an issue with the Steering Wheel Position Sensor, which monitors the angle and position of the steering wheel for proper vehicle stability and safety system function.

2. What are the common symptoms of a C0208 code?

Symptoms may include the ABS or traction control warning light illuminating, erratic or unresponsive traction control, and poor vehicle stability in certain driving conditions.

3. What causes a C0208 code to appear?

Common causes include a faulty steering wheel position sensor, damaged wiring or connectors, issues with the clock spring, or calibration errors in the sensor.

4. Can I drive with a C0208 code on my Chevrolet?

While you may still be able to drive, the vehicle's stability and safety systems, such as ABS and traction control, may not function correctly, which can increase the risk of an accident.

5. How is a C0208 code diagnosed?

A technician will use a diagnostic scanner to confirm the code, inspect the steering wheel position sensor and its wiring, and check for any calibration or communication issues.

6. How do you fix a C0208 code on a Chevrolet?

Repairs may involve replacing the steering wheel position sensor, repairing or replacing damaged wiring or connectors, recalibrating the sensor, or addressing any related system faults.

7. Does the steering wheel position sensor need calibration after replacement?

Yes, after replacing the sensor, recalibration is typically required to ensure accurate readings and proper functionality of the stability control systems.

8. How much does it cost to fix a C0208 code?

The repair cost can vary but typically ranges from $150 to $500, depending on whether the sensor needs replacement or if wiring repairs are involved.

9. Can a weak battery cause a C0208 code?

A weak or failing battery can occasionally contribute to communication or calibration issues, which may trigger the C0208 code.

10. How can I prevent a C0208 code from recurring?

Regularly inspect the steering system's wiring and connectors, ensure proper calibration of the sensor, and address ABS or traction control issues promptly to prevent recurrence.