AutoCodes – GMC – C047A GMC

C047A GMC Code - Electric Steering Motor Position Sensor Circuit Malfunction

Quick Answer

The power steering control module continuously monitors the motor position sensor voltage signals. Common causes include Faulty Electric Steering Motor Position Sensor, Electric Steering Motor Position Sensor harness is open or shorted, Electric Steering Motor 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
C047A GMC indicates Electric Steering Motor Position Sensor Circuit Malfunction.
Common causes
Common causes include Faulty Electric Steering Motor Position Sensor, Electric Steering Motor Position Sensor harness is open or shorted, Electric Steering Motor 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 6,550
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 04, 2020
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Code C047A GMC Description

The power steering control module continuously monitors the motor position sensor voltage signals. The voltage signals of the motor position sensor and the digital torque sensor index current signal are both processed by the power steering control module to detect and calculate the steering wheel angle.
OBDII Code C047A GMC - Electric Steering Motor Position Sensor Circuit Malfunction - AutoCodes.com
C047A GMC Code - Electric Steering Motor Position Sensor Circuit Malfunction

What are the Possible Causes of the DTC C047A GMC?

  • Faulty Electric Steering Motor Position Sensor
  • Electric Steering Motor Position Sensor harness is open or shorted
  • Electric Steering Motor Position Sensor circuit poor electrical connection

How to Fix the DTC C047A GMC?

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 C047A GMC 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 C047A GMC code?

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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 GMC Code

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

- Common symptoms include erratic steering behavior, difficulty steering, and the illumination of the steering system warning light on the dashboard.

2. What are the possible causes of the Electric Steering Motor Position Sensor Circuit Malfunction (code C047A) in a GMC vehicle?

- Possible causes may include a faulty electric steering motor position sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning electric power steering system module.

3. How can I diagnose the Electric Steering Motor Position Sensor Circuit Malfunction in my GMC vehicle?

- Diagnosis typically involves using an OBDII scanner to retrieve the specific trouble code (C047A), conducting a visual inspection of sensor wiring and connectors, and testing the sensor's output signals using a multimeter.

4. Can driving with the Electric Steering Motor Position Sensor Circuit Malfunction (code C047A) pose any safety risks?

- Driving with this malfunction may result in unpredictable steering behavior and compromised vehicle control, potentially leading to safety hazards. It is recommended to address the issue promptly.

5. What are some repair tips for fixing the Electric Steering Motor Position Sensor Circuit Malfunction in a GMC vehicle?

- Repair tips may include replacing the faulty electric steering motor position sensor, repairing damaged wiring or connectors, or recalibrating the electric power steering system module as per manufacturer guidelines.

6. Is it possible to reset the OBDII code C047A related to the Electric Steering Motor Position Sensor Circuit Malfunction without fixing the underlying issue?

- While clearing the trouble code may temporarily turn off the warning light, the root cause of the malfunction should be identified and resolved to prevent potential safety risks and ensure proper vehicle operation.

7. How much does it typically cost to repair the Electric Steering Motor Position Sensor Circuit Malfunction in a GMC vehicle?

- Repair costs can vary depending on the specific cause of the malfunction, parts needed for replacement, labor rates, and whether the repair is performed at a dealership or an independent repair shop.

8. Can a DIY enthusiast with automotive repair experience fix the Electric Steering Motor Position Sensor Circuit Malfunction (code C047A) in a GMC vehicle?

- While some DIY enthusiasts may have the skills to diagnose and repair this issue, it is recommended to consult the vehicle's service manual or seek professional assistance to ensure proper diagnosis and repair.

9. Are there any recalls or technical service bulletins related to the OBDII code C047A GMC Electric Steering Motor Position Sensor Circuit Malfunction?

- It is advisable to check with the manufacturer or authorized dealerships for any relevant recalls or technical service bulletins addressing this specific issue in GMC vehicles.

10. Can a malfunctioning Electric Steering Motor Position Sensor Circuit affect other vehicle systems in addition to the steering system?

- While the primary impact is on the steering system's operation, a malfunction in this circuit may trigger related warning lights, affect stability control systems, or lead to diagnostic trouble codes in interconnected modules.

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