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C047A Chevrolet Code - Electric Steering Motor Position Sensor Circuit Malfunction

Quick Answer

The C047A Chevrolet code indicates a malfunction in the electric steering motor position sensor circuit. Common causes include Faulty electric steering motor position sensor, Damaged wiring or connectors in the sensor circuit, Faulty electronic control unit (ECU). 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
C047A Chevrolet indicates Electric Steering Motor Position Sensor Circuit Malfunction.
Common causes
Common causes include Faulty electric steering motor position sensor, Damaged wiring or connectors in the sensor circuit, Faulty electronic control unit (ECU).
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code C047A Chevrolet Description

The C047A Chevrolet code indicates a malfunction in the electric steering motor position sensor circuit. The electric steering motor position sensor is a crucial component of the vehicle's power steering system, responsible for detecting the position of the steering motor. This information is used by the vehicle's electronic control unit (ECU) to adjust the power steering assistance provided to the driver, ensuring smooth and responsive steering.

OBDII Code C047A Chevrolet - Electric Steering Motor Position Sensor Circuit Malfunction
C047A Chevrolet Code - Electric Steering Motor Position Sensor Circuit Malfunction

Common Causes of C047A Chevrolet

  1. Faulty electric steering motor position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Faulty electronic control unit (ECU)
  4. Electrical issues in the steering system
  5. Poor electrical connections

Symptoms of C047A Chevrolet

  1. Erratic power steering assistance
  2. Heavy steering wheel
  3. Power steering failure
  4. Dashboard warning lights related to steering system
  5. Difficulty steering at lower speeds or when parking

How to Fix C047A Chevrolet

  1. Diagnose the issue using a diagnostic scanner to retrieve the trouble code and pinpoint the exact cause of the malfunction.
  2. Inspect the electric steering motor position sensor, wiring, and connectors for any signs of damage or wear.
  3. Test the sensor's resistance and voltage output to determine if it is functioning correctly.
  4. Replace the electric steering motor position sensor if it is found to be faulty, and repair any damaged wiring or connectors.
  5. Clear the trouble code from the ECU's memory and test the vehicle to ensure the power steering system is functioning properly.

Cost to Fix C047A Chevrolet

The cost of repairing a C047A Chevrolet code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, replacing the electric steering motor position sensor can cost anywhere from $150 to $300, including parts and labor. Additional costs may apply if there are other underlying electrical issues that need to be addressed. It is recommended to get a detailed estimate from a qualified mechanic to determine the exact cost of repairing this code. Keep in mind that labor rates at auto repair shops can vary, so it's advisable to shop around for the best price.

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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 C047A Chevrolet Code

1. What are common symptoms of OBDII code C047A in a Chevrolet related to the Electric Steering Motor Position Sensor Circuit Malfunction?

Common symptoms include difficulty steering, the steering wheel feeling heavy or stiff, and the vehicle's power steering system may not work properly.

2. What are some possible causes of the Electric Steering Motor Position Sensor Circuit Malfunction in a Chevrolet triggering OBDII code C047A?

Potential causes include a faulty electric steering motor position sensor, damaged wiring or connectors in the sensor circuit, or issues with the electric power steering system module.

3. How can I diagnose the source of the Electric Steering Motor Position Sensor Circuit Malfunction triggering OBDII code C047A in my Chevrolet?

Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, performing a visual inspection of the sensor and its wiring, checking for loose connections, and conducting further testing as recommended by the vehicle's service manual.

4. What steps can I take to repair the Electric Steering Motor Position Sensor Circuit Malfunction in my Chevrolet after OBDII code C047A is detected?

Repair actions may include replacing the electric steering motor position sensor, repairing or replacing damaged wiring or connectors, resetting the fault codes, and testing the power steering system to ensure proper functionality.

5. Is it safe to continue driving my Chevrolet with the OBDII code C047A related to the Electric Steering Motor Position Sensor Circuit Malfunction?

It is not recommended to drive the vehicle with this issue as it may lead to unsafe steering conditions, loss of power steering assistance, and potential safety hazards. Have the problem diagnosed and repaired as soon as possible.

6. Can I reset the OBDII code C047A related to the Electric Steering Motor Position Sensor Circuit Malfunction in my Chevrolet by disconnecting the battery?

While disconnecting the battery may temporarily clear the code, it is not a recommended long-term solution. The underlying issue causing the code should be diagnosed and repaired to prevent further problems.

7. How much does it typically cost to repair the Electric Steering Motor Position Sensor Circuit Malfunction triggering OBDII code C047A in a Chevrolet?

The cost of repair can vary depending on the specific cause of the issue, the extent of the damage, and labor rates. It is advisable to consult with a professional mechanic for an accurate estimate.

8. Can a DIY enthusiast with basic automotive knowledge repair the Electric Steering Motor Position Sensor Circuit Malfunction causing OBDII code C047A in a Chevrolet?

While some individuals may attempt the repair, dealing with electric steering components can be complex and may require specialized tools and expertise. It is recommended to seek professional assistance for this type of repair.

9. Are there any recalls or technical service bulletins related to the Electric Steering Motor Position Sensor Circuit Malfunction in Chevrolet vehicles?

It is advisable to check with Chevrolet or a certified dealership for any recalls or technical service bulletins related to this issue, as they may provide guidance or assistance with the repair.

10. How often does the Electric Steering Motor Position Sensor Circuit Malfunction triggering OBDII code C047A occur in Chevrolet vehicles?

While it may vary, this issue is not uncommon in Chevrolet vehicles equipped with electric power steering systems. Regular maintenance and prompt attention to any warning lights or codes can help prevent such problems.

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