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Home >> GMC >> 2002 >> Jimmy 2D Utility, Part Time, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 440 (Engine Control System - Self-Diagnostics - 5.3L) >> Diagnostic Tests >> DTC P2108: TAC Module Processor Fault >> Description

DTC P2108: TAC Module Processor Fault: Description

WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

The Throttle Actuator Control (TAC) module contains data which is essential for proper TAC system 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, this DTC sets.

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