AutoCodes – Generic – U2009

U2009 Code - Audio Front Control Module Is Not Responding

Quick Answer

The Diagnostic Trouble Code (DTC) will set when there is no signal response from Audio Front Control Module (ACM) Common causes include Faulty Audio Front Control Module (ACM), Audio Front Control Module harness is open or shorted, Audio Front Control Module circuit poor electrical connection. 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: U2009 indicates Audio Front Control Module Is Not Responding.
Common causes: Common causes include Faulty Audio Front Control Module (ACM), Audio Front Control Module harness is open or shorted, Audio Front Control Module circuit poor electrical connection.
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 5,137

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 11, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
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Code U2009 Description

The Diagnostic Trouble Code (DTC) will set when there is no signal response from Audio Front Control Module (ACM)

OBDII Code U2009 - Audio Front Control Module Is Not Responding - AutoCodes.com — U2009 Code - Audio Front Control Module Is Not Responding

What does this mean?

What are the Possible Causes of the DTC U2009?

Faulty Audio Front Control Module (ACM)
Audio Front Control Module harness is open or shorted
Audio Front Control Module circuit poor electrical connection

How to Fix the DTC U2009?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U2009 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.