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P06B1 2014 GMC Sierra Code - Sensor Supply Voltage Circuit Low Voltage

Quick Answer

The P06B1 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a Sensor Supply Voltage Circuit Low Voltage. Common causes include Wiring or connection issues, such as a loose or damaged wire, A faulty sensor that is not receiving adequate voltage, Malfunctioning Engine Control Module (ECM). 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
P06B1 2014 GMC Sierra indicates Sensor Supply Voltage Circuit Low Voltage.
Common causes
Common causes include Wiring or connection issues, such as a loose or damaged wire, A faulty sensor that is not receiving adequate voltage, Malfunctioning Engine Control Module (ECM).
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 13, 2024
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Code P06B1 2014 GMC Sierra Description

The P06B1 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a Sensor Supply Voltage Circuit Low Voltage. This code is typically triggered when the Engine Control Module (ECM) detects that the voltage supplied to a sensor in the vehicle is lower than the specified range. The sensor in question could be related to various systems in the vehicle, such as the engine, transmission, emissions, or other critical components.

OBDII Code P06B1 2014 GMC Sierra - Sensor Supply Voltage Circuit Low Voltage
P06B1 2014 GMC Sierra Code - Sensor Supply Voltage Circuit Low Voltage

Common Causes of P06B1 2014 GMC Sierra

  1. Wiring or connection issues, such as a loose or damaged wire
  2. A faulty sensor that is not receiving adequate voltage
  3. Malfunctioning Engine Control Module (ECM)
  4. Blown fuse related to the sensor circuit
  5. Voltage regulator malfunction affecting sensor supply voltage

Symptoms of P06B1 2014 GMC Sierra

  1. Rough idling or engine misfires
  2. Poor acceleration and decreased fuel efficiency
  3. Stalling or difficulty starting the vehicle
  4. Issues with shifting gears or transmission performance
  5. Illumination of the check engine light on the dashboard

How to Fix P06B1 2014 GMC Sierra

  1. Begin by conducting a thorough inspection of the sensor, wiring, and connections to identify any visible damage or loose connections.
  2. Test the sensor's voltage using a multimeter to determine if it is within the specified range. Replace the sensor if necessary.
  3. Check the ECM for any signs of malfunction or error codes related to the sensor supply voltage. Reset or replace the ECM as needed.
  4. Inspect the fuse related to the sensor circuit and replace it if blown.
  5. Verify the voltage regulator's functionality and replace it if it is not providing the correct voltage to the sensor.

Cost to Fix P06B1 2014 GMC Sierra

The typical repair costs for addressing a Sensor Supply Voltage Circuit Low Voltage issue can vary depending on the specific cause and the extent of the repairs needed. In general, parts for sensor replacement or ECM repair can range from $50 to $200, while labor costs can add another $100 to $300 to the total bill. Overall, the total repair cost for this issue could range from $150 to $500, but it's essential to consult with a qualified mechanic or auto repair shop for a more accurate estimate based on your vehicle's make and model, as well as the local labor rates.

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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.

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