P101E 2015 GMC Sierra Code - Glow Plug Control Module Temperature Sensor 3 Circuit High Voltage
Quick Answer
The diagnostic trouble code P101E in a 2015 GMC Sierra indicates a problem with the Glow Plug Control Module Temperature Sensor 3 Circuit High Voltage. Common causes include Faulty Glow Plug Control Module Temperature Sensor, Wiring issues or shorts in the 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
- P101E 2015 GMC Sierra indicates Glow Plug Control Module Temperature Sensor 3 Circuit High Voltage.
- Common causes
- Common causes include Faulty Glow Plug Control Module Temperature Sensor, Wiring issues or shorts in the 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P101E 2015 GMC Sierra Description
The diagnostic trouble code P101E in a 2015 GMC Sierra indicates a problem with the Glow Plug Control Module Temperature Sensor 3 Circuit High Voltage. The glow plug control module is responsible for regulating the glow plugs in a diesel engine, which help with starting the vehicle in cold weather by pre-heating the combustion chambers. The temperature sensor in question monitors the temperature of the glow plug control module and sends information to the engine control module.
Common Causes of P101E 2015 GMC Sierra
- Faulty Glow Plug Control Module Temperature Sensor
- Wiring issues or shorts in the circuit
- Malfunctioning Glow Plug Control Module
- Corrosion or damage to connectors
- Electrical issues in the vehicle's system
Symptoms of P101E 2015 GMC Sierra
- Extended cranking times when starting the vehicle
- Engine misfires or rough idling
- Decreased fuel efficiency
- Illumination of the check engine light
- Difficulty starting the vehicle, especially in cold weather
How to Fix P101E 2015 GMC Sierra
- Use a diagnostic scanner to retrieve the trouble code and confirm the issue.
- Inspect the wiring and connectors for any damage or corrosion. Repair or replace as necessary.
- Test the Glow Plug Control Module Temperature Sensor for proper functionality. Replace if faulty.
- Clear the trouble code from the engine control module and test the vehicle to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be needed to identify any underlying issues with the glow plug system.
Cost to Fix P101E 2015 GMC Sierra
The cost of repairing a Glow Plug Control Module Temperature Sensor 3 Circuit High Voltage issue in a 2015 GMC Sierra can vary depending on the specific cause of the problem. In general, the cost of replacing a faulty sensor or repairing wiring issues can range from $100 to $300. If the Glow Plug Control Module itself needs to be replaced, the cost can go up to $500 or more. Labor costs typically range from $80 to $150 per hour, so the total repair bill could be between $200 and $600 or more. It's recommended to contact local auto repair shops for accurate estimates based on the specific circumstances of your vehicle.
Need more information about the P101E 2015 GMC Sierra code?
Need more information on how to fix the P101E 2015 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P101E 2015 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P101E 2015 GMC Sierra Code
1. What does the OBDII code P101E mean on a 2015 GMC Sierra?
The P101E code indicates a problem with the Glow Plug Control Module Temperature Sensor 3 Circuit, specifically a high voltage issue.
2. What are the common symptoms of the P101E code?
Symptoms may include a check engine light, difficulty starting the engine in cold weather, reduced fuel efficiency, or rough idling.
3. What causes the P101E code to appear?
The code is often caused by a faulty temperature sensor, damaged wiring or connectors in the sensor circuit, or an issue within the glow plug control module.
4. Can I continue driving my 2015 GMC Sierra with the P101E code?
While the vehicle may still be drivable, ignoring the issue can lead to starting problems in cold weather and potential damage to the glow plug system over time.
5. How do I diagnose the P101E code?
Use an OBDII scanner to confirm the code, inspect the wiring and connectors for damage, and test the temperature sensor for proper operation.
6. How do I fix the P101E code on my truck?
Repairs may involve replacing the faulty temperature sensor, repairing damaged wiring, or replacing the glow plug control module if necessary.
7. How much does it cost to fix the P101E code?
The repair cost can vary, but replacing a temperature sensor typically ranges from $100 to $300, including parts and labor.
8. Can a faulty temperature sensor cause other issues in the glow plug system?
Yes, a defective temperature sensor can disrupt the operation of the glow plugs, leading to starting difficulties and increased emissions.
9. What tools do I need to repair the P101E code?
You’ll need an OBDII scanner, a multimeter to test electrical connections, and basic hand tools for removing and replacing components.
10. Is the P101E code specific to GMC Sierra trucks?
While the code is common in GMC Sierra models with diesel engines, it may also appear in other GM vehicles with similar glow plug systems.
Discuss the causes and fixes for P101E 2015 GMC Sierra OBDII Code
Code P101E 2015 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.