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Home >> Buick >> 2006 >> Allure CX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.8L - DTC P0451 To DTC P2120 >> DTC P2108 >> Circuit Description
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Circuit Description

The throttle actuator control (TAC) module contains data, which is essential for proper TAC system operation. The TAC module continuously checks the integrity of this data. If 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 an internal TAC module processor fault is detected, DTC P2108 sets.