P101D 2014 Chevrolet Silverado Code - Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage
Quick Answer
The P101D diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado refers to the Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage. Common causes include Faulty temperature sensor, Damaged wiring or connectors, 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 2014 Chevrolet Silverado indicates Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage.
- Common causes
- Common causes include Faulty temperature sensor, Damaged wiring or connectors, 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.
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Code P101D 2014 Chevrolet Silverado Description
The P101D diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado refers to the Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage. This code indicates that there is an issue with the temperature sensor for the glow plug control module, specifically sensor 3, where the voltage is lower than the expected range. The glow plug control module is responsible for preheating the diesel engine's combustion chamber to facilitate cold starts. The temperature sensor helps monitor the module's temperature to ensure optimal performance.
Common Causes of P101D 2014 Chevrolet Silverado
- Faulty temperature sensor.
- Damaged wiring or connectors.
- Malfunctioning glow plug control module.
- Issues with the vehicle's electrical system.
Symptoms of P101D 2014 Chevrolet Silverado
- Difficulties starting the vehicle, especially in cold weather.
- Rough idling or engine misfires.
- Decreased fuel efficiency.
- Increased emissions.
- Check Engine Light illuminated on the dashboard.
How to Fix P101D 2014 Chevrolet Silverado
- Begin by diagnosing the specific cause of the low voltage in the temperature sensor.
- Inspect the sensor, wiring, and connectors for any visible damage or corrosion.
- Test the glow plug control module to ensure it is functioning correctly.
- Replace the temperature sensor if it is found to be faulty.
- Clear the DTC and test the vehicle to ensure the issue has been resolved.
Cost to Fix P101D 2014 Chevrolet Silverado
The typical repair costs for addressing a Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage issue can range from $150 to $300, depending on the specific components that need to be replaced and the labor involved. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.
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Frequently Asked Questions about P101D 2014 Chevrolet Silverado Code
What does the OBDII code P101D mean on a 2014 Chevrolet Silverado?
P101D indicates that the Glow Plug Control Module (GPCM) has detected a low voltage issue in the circuit for Temperature Sensor 3.
What are the common symptoms of code P101D?
Common symptoms include the check engine light turning on, potential difficulty starting the engine in cold weather, or reduced engine performance.
What causes the P101D code to appear?
Common causes include a faulty Temperature Sensor 3, damaged wiring or connectors in the sensor circuit, or a malfunctioning Glow Plug Control Module.
Can I drive my 2014 Silverado with the P101D code?
While the truck may still run, it’s not recommended to ignore this code as it may lead to starting difficulties or further damage, especially in cold weather.
How do I diagnose the P101D code?
Start by inspecting the wiring and connectors for damage or corrosion, test the Temperature Sensor 3 for proper function, and ensure the Glow Plug Control Module is operating correctly.
What tools are needed to troubleshoot the P101D code?
A scan tool or code reader, a multimeter, and possibly a wiring diagram for the Glow Plug Control Module circuit are needed for diagnosis.
How can the P101D code be fixed?
Repairs may include replacing the Temperature Sensor 3, repairing or replacing damaged wiring, or replacing the Glow Plug Control Module if necessary.
What is the Glow Plug Control Module's role in the P101D code?
The Glow Plug Control Module monitors and controls the glow plugs and temperature sensors to help the engine start and operate efficiently, especially in cold conditions.
How much does it cost to repair the P101D code?
Costs vary depending on the issue. Replacing a temperature sensor may cost $50-$150, while replacing the Glow Plug Control Module could cost $300-$600, including labor.
Can a low battery cause the P101D code?
Yes, a weak or discharged battery can cause voltage-related faults, including P101D. Ensure the battery and charging system are in good condition.
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