Engine-CodesChevrolet – P101D 2017 Chevrolet Silverado

P101D 2017 Chevrolet Silverado Code - Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage

Quick Answer

The P101D diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado specifically refers to the Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage. Common causes include Faulty temperature sensor in the glow plug control module, Damaged wiring or connectors in the sensor circuit, Malfunctioning glow plug 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
P101D 2017 Chevrolet Silverado indicates Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage.
Common causes
Common causes include Faulty temperature sensor in the glow plug control module, Damaged wiring or connectors in the sensor circuit, Malfunctioning glow plug 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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P101D 2017 Chevrolet Silverado Description

The P101D diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado specifically refers to the Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage. This code indicates that the temperature sensor in the glow plug control module is detecting a lower voltage than expected. The glow plug control module is a crucial component of the vehicle's diesel engine, responsible for managing the glow plugs that aid in starting the engine by preheating the combustion chamber. The temperature sensor is essential for monitoring the heat generated by the glow plugs and ensuring optimal performance.

OBDII Code P101D 2017 Chevrolet Silverado - Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage
P101D 2017 Chevrolet Silverado Code - Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage

Common Causes of P101D 2017 Chevrolet Silverado

  1. Faulty temperature sensor in the glow plug control module
  2. Damaged wiring or connectors in the sensor circuit
  3. Malfunctioning glow plug control module
  4. Issues with the vehicle's electrical system

Symptoms of P101D 2017 Chevrolet Silverado

  1. Difficult starting, especially in cold weather
  2. Rough idling
  3. Reduced engine power
  4. Decreased fuel efficiency
  5. Illumination of the check engine light on the dashboard

How to Fix P101D 2017 Chevrolet Silverado

  1. Begin by conducting a thorough inspection of the glow plug control module and its temperature sensor to identify any visible damage or signs of malfunction.
  2. Test the temperature sensor's voltage output to determine if it falls below the expected range.
  3. Check the wiring and connectors for any breaks, corrosion, or loose connections that could be affecting the sensor's performance.
  4. If the temperature sensor is faulty, replace it with a new, OEM-quality sensor to ensure proper functionality.
  5. Clear the DTC from the vehicle's onboard computer using a diagnostic scanner to reset the system and verify that the issue has been resolved.

Cost to Fix P101D 2017 Chevrolet Silverado

The typical repair costs for addressing a P101D code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair for this type of problem may range from $200 to $500, including the cost of a new temperature sensor if needed. It's important to note that diagnosis time and labor rates at auto repair shops can fluctuate, so it's advisable to inquire locally for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops often offer more competitive pricing.

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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 P101D 2017 Chevrolet Silverado Code

What does the OBDII code P101D mean for a 2017 Chevrolet Silverado?

P101D indicates an issue with the Glow Plug Control Module Temperature Sensor 3 Circuit experiencing low voltage.

What are common symptoms of code P101D in a 2017 Chevrolet Silverado?

Symptoms may include the check engine light, difficulty starting in cold weather, reduced engine performance, or irregular glow plug operation.

What causes the P101D code to appear on a 2017 Chevrolet Silverado?

Causes can include a faulty temperature sensor, damaged wiring, poor electrical connections, or a malfunctioning glow plug control module.

How can I diagnose code P101D on my 2017 Chevrolet Silverado?

Use an OBDII scanner to confirm the code, inspect the wiring and connectors for damage or corrosion, and test the temperature sensor for proper functionality.

Can I drive my 2017 Chevrolet Silverado with the P101D code active?

Driving may be possible, but performance issues and starting difficulties in cold weather could occur, so timely repairs are recommended.

How do I fix code P101D in a 2017 Chevrolet Silverado?

Repairs may involve replacing the temperature sensor, repairing damaged wiring, cleaning electrical connections, or replacing the glow plug control module.

What tools are needed to address the P101D code on a 2017 Chevrolet Silverado?

You’ll need an OBDII scanner, a multimeter for testing electrical components, and basic hand tools for repairs.

Will clearing the P101D code solve the problem permanently?

Clearing the code may temporarily turn off the check engine light, but the underlying issue must be repaired to prevent the code from returning.

What is the cost to repair the P101D code on a 2017 Chevrolet Silverado?

Repair costs depend on the issue but typically range from $100 to $500 for parts and labor, depending on whether a sensor or module replacement is needed.

Is the P101D code related to cold weather performance issues?

Yes, since the glow plug system assists in cold starts, issues with the temperature sensor can negatively impact starting in cold conditions.

Discuss the causes and fixes for P101D 2017 Chevrolet Silverado OBDII Code

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