P101D Code - Glow Plug Control Module Temperature Sensor 3 Circuit Low 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
- P101D indicates Glow Plug Control Module Temperature Sensor 3 Circuit Low 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 P101D Description
What are the Possible Causes of the DTC P101D?
- 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 P101D?
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 P101D 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 P101D code?
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Need Help with the Code?
Get the P101D code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P101D Buick — Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage
- P101D Cadillac — Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage
- P101D Chevrolet — Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage
- P101D GMC — Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage
- P101D Lexus — Air-Fuel Ratio Sensor Heater Circuit Performance Bank 1 Sensor 1 Stuck ON
- P101D Scion — Air-Fuel Ratio Sensor Heater Circuit Performance Bank 1 Sensor 1 Stuck ON
- P101D Toyota — Air-Fuel Ratio Sensor Heater Circuit Performance Bank 1 Sensor 1 Stuck ON
Frequently Asked Questions about P101D Code
1. What are the common symptoms of OBDII code P101D (Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage)?
- Common symptoms include rough idling, poor engine performance, decreased fuel efficiency, and possibly a check engine light.
2. What are the possible causes of OBDII code P101D?
- The code P101D can be triggered by issues such as a faulty glow plug control module temperature sensor, damaged wiring or connectors, or a malfunctioning control module.
3. How can I diagnose the underlying issue causing code P101D?
- Diagnosing the issue involves using a scan tool to retrieve the code, checking the sensor's wiring and connections for damage, and testing the sensor's resistance and voltage output.
4. Can I drive my vehicle with OBDII code P101D?
- It is not recommended to drive your vehicle with an unresolved P101D code, as it can lead to further engine damage and decreased performance over time.
5. How can I repair OBDII code P101D?
- Repairing the P101D code may involve replacing the faulty glow plug control module temperature sensor, repairing damaged wiring or connectors, or replacing the control module if necessary.
6. Are there any tips to prevent OBDII code P101D from recurring?
- Regular maintenance of the glow plug system, including checking the sensor and related components, can help prevent the reoccurrence of the P101D trouble code.
7. What are the potential risks of ignoring OBDII code P101D?
- Ignoring the P101D code can lead to poor engine performance, increased fuel consumption, and potential damage to other engine components over time.
8. Can a DIY enthusiast resolve OBDII code P101D at home?
- Depending on your mechanical skills and access to tools, some DIY enthusiasts may be able to diagnose and repair the P101D code at home. However, seeking professional help is recommended for accurate diagnosis and repair.
9. Is OBDII code P101D specific to certain vehicle makes and models?
- The P101D code may be specific to certain vehicle makes and models, particularly those equipped with glow plug control modules and temperature sensors in their diesel engines.
10. How much can I expect to pay for repairs related to OBDII code P101D?
- Repair costs for the P101D code can vary depending on the underlying issue and the labor rates in your area. It is advisable to get a diagnosis from a professional technician to determine the exact repair costs.
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