P101E 2015 GMC Sierra Code - Glow Plug Control Module Temperature Sensor 3 Circuit High Voltage
Quick Answer
The Glow Plug Control Module (GPCM) has the ability to perform internal diagnostics for the temperature sensor circuit. Common causes include Faulty Glow Plug Control Module (GPCM), Glow Plug Control Module harness is open or shorted, Glow Plug Control Module circuit poor electrical connection. 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 (GPCM), Glow Plug Control Module harness is open or shorted, Glow Plug Control Module circuit poor electrical connection.
- 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.
Code P101E 2015 GMC Sierra Description
What are the Possible Causes of the DTC P101E 2015 GMC Sierra?
- Faulty Glow Plug Control Module (GPCM)
- Glow Plug Control Module harness is open or shorted
- Glow Plug Control Module circuit poor electrical connection
How to Fix the DTC P101E 2015 GMC Sierra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P101E 2015 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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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.
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