P101C 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P101C 2017 Chevrolet Silverado?
- 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 2017 Chevrolet Silverado?
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 2017 Chevrolet Silverado 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 P101C 2017 Chevrolet Silverado Code
What does the OBDII code P101C mean on a 2017 Chevrolet Silverado?
The code P101C indicates an issue with the Glow Plug Control Module Temperature Sensor 2 Circuit, specifically high voltage being detected.
What are common symptoms of code P101C in a 2017 Chevrolet Silverado?
Symptoms may include difficulty starting the engine in cold weather, a check engine light, reduced engine performance, or rough idling.
What causes the P101C code to appear?
Common causes include a faulty temperature sensor, damaged wiring or connectors in the circuit, or a malfunctioning glow plug control module.
How do I diagnose the P101C code?
Start by inspecting the wiring and connectors for damage or corrosion, test the temperature sensor for proper function, and verify voltage levels in the circuit using a multimeter.
Can I drive my 2017 Silverado with the P101C code?
While the truck may still be drivable, it could experience starting issues in cold weather. It’s best to address the issue promptly to prevent further damage.
How do I fix the P101C code?
Repairs may include replacing the faulty temperature sensor, repairing or replacing damaged wiring, or replacing the glow plug control module if necessary.
How much does it cost to fix the P101C code?
The cost depends on the specific issue, but replacing a temperature sensor typically costs $50–$150 for parts, plus labor.
Can a bad glow plug control module cause the P101C code?
Yes, a malfunctioning glow plug control module can contribute to this code if it fails to regulate the temperature sensor circuit correctly.
What tools do I need to troubleshoot the P101C code?
You’ll need a multimeter to test voltage, an OBDII scanner to confirm the code, and possibly a repair manual for wiring diagrams.
Does the P101C code affect emissions?
Indirectly, yes. If the engine struggles to start or runs inefficiently due to the fault, it could increase emissions over time.
Discuss the causes and fixes for P101C 2017 Chevrolet Silverado OBDII Code
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