P101C Code - Glow Plug Control Module Temperature Sensor 2 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
- P101C indicates Glow Plug Control Module Temperature Sensor 2 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 P101C Description
What are the Possible Causes of the DTC P101C?
- 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 P101C?
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 P101C 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.
Need more information about the P101C code?
Need more information on how to fix the P101C code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P101C code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P101C Buick — Glow Plug Control Module Temperature Sensor 2 Circuit High Voltage
- P101C Cadillac — Glow Plug Control Module Temperature Sensor 2 Circuit High Voltage
- P101C Chevrolet — Glow Plug Control Module Temperature Sensor 2 Circuit High Voltage
- P101C GMC — Glow Plug Control Module Temperature Sensor 2 Circuit High Voltage
Frequently Asked Questions about P101C Code
1. What are the common symptoms of OBDII code P101C (Glow Plug Control Module Temperature Sensor 2 Circuit High Voltage)?
- Common symptoms include the illumination of the check engine light, rough idling, decreased fuel efficiency, and difficulty starting the vehicle.
2. What can cause the OBDII code P101C to trigger?
- The code P101C may be triggered by a faulty glow plug control module temperature sensor, a wiring issue, or a problem with the glow plug control module itself.
3. How serious is the OBDII code P101C (Glow Plug Control Module Temperature Sensor 2 Circuit High Voltage)?
- While the code may not cause immediate harm to the vehicle, it can lead to poor engine performance, increased emissions, and potential difficulties starting the engine in cold weather.
4. How can I diagnose the OBDII code P101C?
- Diagnosing the code typically involves using a scan tool to read the code, checking the glow plug control module temperature sensor and related wiring for any visible issues, and testing the sensor's resistance.
5. Can I continue driving with the OBDII code P101C illuminated?
- It is generally not recommended to drive with the check engine light on, as the underlying issue causing the code could worsen over time and potentially lead to more severe problems.
6. What are some repair tips for fixing the OBDII code P101C?
- Repair tips may include replacing the faulty glow plug control module temperature sensor, checking and repairing any damaged wiring, or replacing the glow plug control module if necessary.
7. How much does it typically cost to repair the OBDII code P101C?
- The cost of repairing the code can vary depending on the extent of the issue and the specific parts that need to be replaced. It is recommended to consult a mechanic for an accurate estimate.
8. Can I reset the OBDII code P101C without fixing the underlying issue?
- While you can clear the code with a scan tool, it is important to address the root cause of the problem to prevent further issues with your vehicle's performance.
9. Are there any preventive measures to avoid the OBDII code P101C in the future?
- Regular maintenance of the glow plug system, including checking and replacing faulty components, can help prevent the occurrence of the code P101C and other related issues.
10. How long does it typically take to repair the OBDII code P101C?
- The repair time can vary depending on the specific cause of the code and the complexity of the repair process. It is advisable to consult with a professional mechanic for a more accurate estimate of the repair duration.
Discuss the causes and fixes for P101C OBDII Code
Code P101C 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.
