P101D
Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage
P101D is an OBD-II diagnostic trouble code meaning: Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage. Common causes: malfunction of the glow plug module temperature sensor, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Difficulty starting the engine, especially in cold weather
- Increased fuel consumption
- Check Engine Light Is On
- Reduced engine power
- Unstable engine operation at idle
Causes
- Malfunction of the glow plug module temperature sensor
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Malfunction of the glow plug control module
- Problems with power supply to the sensor circuit
How to Fix
- Check the integrity of the wiring and connectors in the sensor circuit
- Check resistance and voltage at temperature sensor
- Replace the faulty temperature sensor if necessary
- Check the operation of the glow plug control module
- Reset the error code and check if it returns
Related codes
FAQ
What does the P101D code mean?
P101D is an OBD-II diagnostic trouble code that indicates: Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage
What causes a P101D error code?
The most common causes of P101D include: Malfunction of the glow plug module temperature sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Malfunction of the glow plug control module.
How do I fix a P101D diagnostic trouble code?
To fix P101D: Check the integrity of the wiring and connectors in the sensor circuit. Check resistance and voltage at temperature sensor. Replace the faulty temperature sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P101D?
Yes, but get it checked soon
How much does it cost to fix P101D?
The estimated repair cost for P101D is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat