Throttle Actuator Control Module Performance
Table of contents
- Possible Causes
- How To Fix
- Tech Notes
- Cost To Diagnose
- When is the code detected
- Possible Symptoms
- Description
P2108 HUMMER Possible 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)
How do I fix code P2108 HUMMER?
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.
Tech Notes
- There is a factory service bulletin for the P2108 code on following HUMMER vehicles:
- 2006-2007 HUMMER H2
- 2006-2007 HUMMER H2 SUT
- HUMMER H2 Factory Service Bulletin OBDII Code P2108
Cost of diagnosing the P2108 HUMMER code
The cost of diagnosing the P2108 HUMMER 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.
When is the code detected
The Engine Control Module (ECM) has detected an out of range condition between the predicted and actual throttle position
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- No throttle response
P2108 HUMMER Description
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.
