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P133F GMC Code - Cylinder 8 Glow Plug Offset Exceeded Learning Limit

- Code Popularity: 1,235 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P133F GMC?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Perform Glow Plug Learn procedure
  • Faulty Glow Plug 8
  • Glow Plug 8 harness is open or shorted
  • Glow Plug 8 circuit poor electrical connection
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How to Fix the DTC P133F GMC?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

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

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P133F GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P133F 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 P133F GMC - Cylinder 8 Glow Plug Offset Exceeded Learning Limit - AutoCodes.com
P133F GMC Code - Cylinder 8 Glow Plug Offset Exceeded Learning Limit

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Code P133F GMC comments

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