AutoCodes – Cadillac – P2108 Cadillac

P2108 Cadillac Code - Throttle Actuator Control Module Performance

Quick Answer

The Throttle Actuator Control (TAC) module contains data that is essential for proper TAC operation. Common causes include 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). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P2108 Cadillac indicates Throttle Actuator Control Module Performance.
Common causes: Common causes include 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).
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 9,931

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 21, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
Comments
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Code P2108 Cadillac 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.

OBDII Code P2108 Cadillac - Throttle Actuator Control Module Performance - AutoCodes.com — P2108 Cadillac Code - Throttle Actuator Control Module Performance

What does this mean?

What are the Possible Causes of the DTC P2108 Cadillac?

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 to Fix the DTC P2108 Cadillac?

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

What does this mean?

Code Tech Notes

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

2006 Cadillac Escalade
2007 Cadillac Escalade
2006-2007 Cadillac Escalade Factory Service Bulletin OBDII Code P2108

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2108 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2108 Cadillac Code

No Frequently Asked Questions about P2108 Cadillac Code found.

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AL
Date: February 25, 2017 at 12:17 am

Replaced throttle body on my 2004 Escalade. P2108 came back and also have P0430. Replaced Cat and both O2 sensors. Code P0430 came back up a day later.

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OBDIITech
Date: February 25, 2017 at 3:49 pm

Did you used new factory parts? It's very strange that you have replaced all the parts and the code still comeback.

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