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P1B03 2017 GMC Sierra Code - Drive Motor Position Sensor Circuit Tracking Lost

Quick Answer

The P1B03 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates that there is an issue with the Drive Motor Position Sensor Circuit Tracking being lost. Common causes include Faulty drive motor position sensor, Damaged wiring or connectors in the circuit, Issues with the powertrain control module. 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
P1B03 2017 GMC Sierra indicates Drive Motor Position Sensor Circuit Tracking Lost.
Common causes
Common causes include Faulty drive motor position sensor, Damaged wiring or connectors in the circuit, Issues with the powertrain control module.
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 17, 2024
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Code P1B03 2017 GMC Sierra Description

The P1B03 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates that there is an issue with the Drive Motor Position Sensor Circuit Tracking being lost. In hybrid and electric vehicles, the drive motor position sensor plays a crucial role in determining the position of the motor shaft, which is essential for the vehicle's powertrain control system to operate efficiently. When the circuit tracking is lost, it means that the vehicle's onboard computer is unable to accurately track the position of the drive motor, leading to potential performance issues.

OBDII Code P1B03 2017 GMC Sierra - Drive Motor Position Sensor Circuit Tracking Lost
P1B03 2017 GMC Sierra Code - Drive Motor Position Sensor Circuit Tracking Lost

Common Causes of P1B03 2017 GMC Sierra

  1. Faulty drive motor position sensor
  2. Damaged wiring or connectors in the circuit
  3. Issues with the powertrain control module
  4. Corrosion or moisture in the sensor or circuit
  5. Electrical interference or short circuits in the system

Symptoms of P1B03 2017 GMC Sierra

  1. Check engine light illuminated on the dashboard
  2. Reduced power output or acceleration
  3. Erratic shifting behavior
  4. Stalling or hesitation during acceleration
  5. Unusual noises coming from the powertrain system

How to Fix P1B03 2017 GMC Sierra

  1. Diagnose the issue using a scan tool to retrieve the specific DTC and pinpoint the cause of the problem.
  2. Inspect the drive motor position sensor, wiring, and connectors for any visible damage or corrosion.
  3. Test the sensor's resistance and voltage output to determine if it is functioning correctly.
  4. Replace the drive motor position sensor if it is found to be faulty, and repair any damaged wiring or connectors.
  5. Clear the DTC and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P1B03 2017 GMC Sierra

The typical repair costs for addressing a Drive Motor Position Sensor Circuit Tracking Lost code can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of replacing a drive motor position sensor can range from $150 to $300, while labor costs can add an additional $100 to $200. Overall, the total repair cost for this issue could range from $250 to $500, but it is advisable to check with local auto repair shops for more accurate estimates based on your vehicle's make and model, as well as the prevailing labor rates in your area.

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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 P1B03 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code P1B03 in a 2017 GMC Sierra?

- Common symptoms include reduced engine power, hesitation during acceleration, and the illumination of the check engine light.

2. What does the OBDII code P1B03 indicate in a 2017 GMC Sierra?

- The code P1B03 indicates that the drive motor position sensor circuit tracking has been lost in the vehicle.

3. What are the possible causes of the drive motor position sensor circuit tracking lost in a 2017 GMC Sierra?

- Possible causes include a faulty drive motor position sensor, damaged wiring or connectors in the circuit, or a malfunction in the drive motor control module.

4. How can I diagnose the OBDII code P1B03 in my 2017 GMC Sierra?

- Diagnosis involves using a scan tool to retrieve the trouble codes, inspecting the drive motor position sensor and related wiring, and testing the drive motor control module.

5. Is it safe to continue driving my 2017 GMC Sierra with the code P1B03 present?

- It is not recommended to drive the vehicle with the code P1B03 as it can lead to further damage and potentially unsafe driving conditions.

6. Can I reset the OBDII code P1B03 in my 2017 GMC Sierra by disconnecting the battery?

- While disconnecting the battery may clear the code temporarily, it is important to diagnose and repair the underlying issue to prevent the code from reoccurring.

7. How much does it typically cost to repair the OBDII code P1B03 in a 2017 GMC Sierra?

- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the drive motor position sensor, repairing wiring, or addressing control module problems.

8. Are there any DIY repair tips for addressing the drive motor position sensor circuit tracking lost in a 2017 GMC Sierra?

- DIY repair tips may include checking for loose connections, inspecting wiring for damage, and ensuring proper sensor alignment before considering sensor or module replacement.

9. Will the OBDII code P1B03 cause my 2017 GMC Sierra to fail an emissions test?

- The code P1B03 can cause your vehicle to fail an emissions test as it indicates a problem with the drive motor position sensor circuit, which is vital for emissions control.

10. How long does it typically take to repair the drive motor position sensor circuit tracking lost issue in a 2017 GMC Sierra?

- The repair time can vary depending on the exact cause of the problem and the availability of parts, but it may take a few hours to a full day for a professional technician to address the issue.

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