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P101D GMC Code - Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage

- Code Popularity: 155 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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Code P101D GMC Possible Causes

  • Faulty Glow Plug Control Module (GPCM)
  • Glow Plug Control Module harness is open or shorted
  • Glow Plug Control Module circuit poor electrical connection

How do I Fix the Code P101D GMC?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your GMC have Safety Recalls? → Check here

What is the Cost to Diagnose the Code P101D GMC?

Labor: 1.0

The cost of diagnosing the P101D GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

What are Code P101D GMC Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P101D GMC Description

The Glow Plug Control Module (GPCM) has the ability to perform internal diagnostics for the temperature sensor circuit. The GPCM monitors the internal temperature sensor voltage and if the voltage is less than 0.21 V or greater than 4.94 V. The GPCM will send a message to the Engine Control Module (ECM) to set the appropriate Diagnostic Trouble Code (DTC). A DTC is detected when one of the GPCM temperature sensors voltage falls outside the calibrated threshold for greater than 1.3 s.

OBDII Code P101D GMC - Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage - AutoCodes.com
P101D GMC Code - Glow Plug Control Module Temperature Sensor 3 Circuit Low Voltage

Need More Information on the P101D GMC Code?

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Code P101D GMC comments

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