Engine-Codes - Chevrolet - P2108 Chevrolet

P2108 Chevrolet Code - Throttle Actuator Control Module Performance

- Code Popularity: 24,319 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P2108 Chevrolet?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Throttle Actuator Control (TAC) module
  • Throttle Actuator Control (TAC) module harness is open or shorted
  • Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires)

Code Tech Notes

There is a factory service bulletin for the P2108 code on following Chevrolet vehicles:

2006-2007 Chevrolet Avalanche
2006-2007 Chevrolet Express 1500/2500/3500
2006-2007 Chevrolet Silverado
2006-2007 Chevrolet Silverado Flex Fuel
2006-2007 Chevrolet Silverado Hybrid
2006-2007 Chevrolet Silverado SS
2006-2007 Chevrolet Silverado 2500/3500 HD
2006-2007 Chevrolet Suburban
2006-2007 Chevrolet Tahoe
Chevrolet Factory Service Bulletin OBDII Code P2108

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How to Fix the DTC P2108 Chevrolet?

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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P2108 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

The Throttle Actuator Control (TAC) module is unable to write or read data from the Random Access Memory (RAM)

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • No throttle response

What Does the P2108 Chevrolet Code Mean?

The Throttle Actuator Control (TAC) module contains data that is essential for proper TAC operation. The TAC module continuously tests the integrity of this data. When the TAC module is unable to write or read data to and from Random Access Memory (RAM), or the TAC module is unable to correctly read data from the flash memory or and internal TAC module processor fault is detected and the Diagnostic Trouble Code (DTC) is set.

P2108 Chevrolet Code - Throttle Actuator Control Module Performance

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