Engine-Codes - Gmc - P102D GMC

P102D GMC Code - Glow Plug Control Module Temperature Sensor 2 Not Plausible

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P102D GMC code possible causes

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

|How is the P102D GMC code repair?

Start by checking 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.

|What is the cost to diagnose the P102D GMC code

Labor: 1.0

The cost to diagnose the P102D GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P102D GMC code possible symptoms?

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

|What is P102D GMC code meaning?

The Glow Plug Control Module has the ability to perform internal temperature diagnostics for the microprocessor and the glow plug drivers. If the Glow Plug Control Module temperature sensor 2 is not within 12°C (54°F) of Glow Plug Control Module temperature sensor 1 and Glow Plug Control Module Temperature Sensor 3; and the difference between Glow Plug Control Module Temperature Sensor 1 and Glow plug control module Temperature Sensor 3 is less than 12°C (54°F) for greater than 2 s, a Diagnostic Trouble Code (DTC) will be set. The Glow Plug Control Module will send a message to the Engine Control Module (ECM) to set this DTC.

|Need more information with the P102D GMC code?

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