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P1339 GMC Code - Cylinder 2 Glow Plug Offset Exceeded Learning Limit

- Code Popularity: 2,068 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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Code P1339 GMC Possible Causes

  • Perform Glow Plug Learn procedure
  • Faulty Glow Plug 2
  • Glow Plug 2 harness is open or shorted
  • Glow Plug 2 circuit poor electrical connection

How do I Fix the Code P1339 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

Code P1339 GMC Tech Notes

If a Glow Plug was replaced, perform a Glow Plug Learn procedure with a Scan Tool.

What is the Cost to Diagnose the Code P1339 GMC?

Labor: 1.0

The cost of diagnosing the P1339 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 P1339 GMC Possible Symptoms?

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

Code P1339 GMC Description

The Glow Plug Control Module has not learned the glow plug offset values. If a glow plug has been replaced and the glow plug learn was not performed, or if the Glow Plug Control Module experiences an Electronically Erasable Programmable Read Only Memory (EEPROM) error or data corruption, this Diagnostic Trouble Code (DTC) to set. The DTC will be set if the glow plug hot resistance is outside a predefined threshold.

OBDII Code P1339 GMC - Cylinder 2 Glow Plug Offset Exceeded Learning Limit -
P1339 GMC Code - Cylinder 2 Glow Plug Offset Exceeded Learning Limit

Need More Information on the P1339 GMC Code?

Need more information on how to fix the P1339 GMC code? Get Access to Factory Service Manuals

Need Help with the P1339 GMC Code?

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Code P1339 GMC comments

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