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P0C5D 2017 GMC Sierra Code - Drive Motor Position Sensor Circuit 2 High Voltage

Quick Answer

The diagnostic trouble code P0C5D for a 2017 GMC Sierra indicates an issue with the Drive Motor Position Sensor Circuit 2 registering high voltage. Common causes include Faulty Drive Motor Position Sensor: A malfunctioning sensor itself can trigger the high voltage readings, Wiring or Connector Damage: Damage to the wiring harness or connectors in the sensor circuit can lead to voltage irregularities, Control Module Issues: Problems with the vehicle's control module responsible for processing sensor data can cause the code to set. 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
P0C5D 2017 GMC Sierra indicates Drive Motor Position Sensor Circuit 2 High Voltage.
Common causes
Common causes include Faulty Drive Motor Position Sensor: A malfunctioning sensor itself can trigger the high voltage readings, Wiring or Connector Damage: Damage to the wiring harness or connectors in the sensor circuit can lead to voltage irregularities, Control Module Issues: Problems with the vehicle's control module responsible for processing sensor data can cause the code to set.
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 14, 2024
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Code P0C5D 2017 GMC Sierra Description

The diagnostic trouble code P0C5D for a 2017 GMC Sierra indicates an issue with the Drive Motor Position Sensor Circuit 2 registering high voltage. This sensor is a crucial component of the vehicle's hybrid or electric powertrain system, responsible for monitoring the position of the drive motor. When the sensor detects high voltage beyond the specified range, it triggers the code, indicating a potential malfunction in the system.

OBDII Code P0C5D 2017 GMC Sierra - Drive Motor Position Sensor Circuit 2 High Voltage
P0C5D 2017 GMC Sierra Code - Drive Motor Position Sensor Circuit 2 High Voltage

Common Causes of P0C5D 2017 GMC Sierra

  1. Faulty Drive Motor Position Sensor: A malfunctioning sensor itself can trigger the high voltage readings.
  2. Wiring or Connector Damage: Damage to the wiring harness or connectors in the sensor circuit can lead to voltage irregularities.
  3. Control Module Issues: Problems with the vehicle's control module responsible for processing sensor data can cause the code to set.
  4. Electrical Interference: External factors such as electrical interference or poor grounding can disrupt the sensor circuit's operation.

Symptoms of P0C5D 2017 GMC Sierra

  1. Check Engine Light: The illumination of the check engine light is a common symptom associated with the P0C5D code.
  2. Reduced Power: The vehicle may experience a decrease in power output or acceleration due to the sensor circuit issue.
  3. Erratic Performance: Erratic behavior such as sudden surges or hesitations during acceleration can be indicative of the problem.
  4. Poor Fuel Efficiency: The vehicle may exhibit decreased fuel efficiency as a result of the drive motor position sensor malfunction.

How to Fix P0C5D 2017 GMC Sierra

  1. Diagnostic Scanning: Use a diagnostic scanner to retrieve the trouble codes and pinpoint the specific issue with the drive motor position sensor circuit.
  2. Sensor Inspection: Inspect the drive motor position sensor for any visible damage or signs of malfunction.
  3. Wiring Check: Thoroughly inspect the wiring harness and connectors in the sensor circuit for any damage or loose connections.
  4. Repair or Replace Components: Depending on the findings, repair or replace the faulty drive motor position sensor, damaged wiring, or connectors.
  5. Clear Codes: After completing the repairs, clear the trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0C5D 2017 GMC Sierra

The typical repair costs for addressing the P0C5D code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of replacing a drive motor position sensor can range from $150 to $300, while addressing wiring or connector issues may add to the total repair bill. Labor costs at auto repair shops typically range between $80 and $150 per hour, with additional charges for diagnostic time and any necessary parts. It's advisable to consult with a qualified mechanic or dealership to obtain a more accurate estimate based on the vehicle's make and model, as well as the extent of the repairs needed.

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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 P0C5D 2017 GMC Sierra Code

1. What does the OBDII code P0C5D mean on a 2017 GMC Sierra?

P0C5D indicates a "Drive Motor Position Sensor Circuit 2 High Voltage" issue, meaning the control module detected a high voltage signal from the second drive motor position sensor.

2. What are the symptoms of the P0C5D code on a 2017 GMC Sierra?

Common symptoms include reduced vehicle performance, an illuminated check engine light, limited hybrid/electric mode functionality (if applicable), or abnormal transmission behavior.

3. What causes the P0C5D code to appear on a 2017 GMC Sierra?

Causes can include a faulty drive motor position sensor, damaged wiring or connectors in the sensor circuit, a short circuit, or a malfunctioning powertrain control module (PCM).

4. Can I drive my 2017 GMC Sierra with the P0C5D code?

Driving may be possible, but not recommended. Reduced performance and potential drivetrain damage could occur if the issue isn’t addressed promptly.

5. How do I diagnose the P0C5D code on my 2017 GMC Sierra?

Diagnosis involves scanning for additional codes, visually inspecting the wiring and connectors for damage, testing the drive motor position sensor, and checking the circuit for proper voltage and continuity.

6. How do I fix the P0C5D code on a 2017 GMC Sierra?

Repairs may include replacing the drive motor position sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or updating/reprogramming the PCM if necessary.

7. What tools are needed to troubleshoot the P0C5D code?

A professional-grade OBDII scanner, a multimeter, and wiring diagrams for the 2017 GMC Sierra are essential for accurate diagnosis and repair.

8. How much does it cost to repair the P0C5D code on a 2017 GMC Sierra?

Costs vary depending on the root cause. Replacing a sensor typically costs $200-$400, while wiring repairs may be less. PCM replacement or reprogramming could be more expensive.

9. Can a P0C5D code be caused by a dead battery or low voltage?

It’s unlikely, but low system voltage could indirectly contribute to the issue by affecting sensor performance. Always check battery health as part of the diagnostic process.

10. Is the P0C5D code specific to GMC Sierra vehicles?

No, the P0C5D code can appear in other vehicles with similar hybrid or electric drive systems, but the exact symptoms and repair steps may vary based on the manufacturer.

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