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Audio System - Popping/Screeching Noise/No Audio

TSB 10-8-2

05/10/10

THX AUDIO - INTERMITTENT POPPING, SCREECHING, FEEDBACK NOISE, NO AUDIO

LINCOLN:
2009-2010 MKS, MKZ, MKX, Navigator
2010 MKT

ISSUE
Some 2009-2010 MKS built after 12/9/2008, MKZ built after 12/23/2008, Navigator built after 12/1/2008, 2009-2010 MKX and 2010 MKT vehicles equipped with the THX(R) audio system may experience an intermittent loud popping, screeching, feedback condition or no audio when driving. This may be due to the software in the Digital Signal Processing Module (DSP).

ACTION
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

Reprogram the THX(R) audio DSP module to the latest calibration using IDS release 66.02A or higher. This new calibration is not included in the VCM 2010.Version A DVD. Calibration files may also be obtained at the website.

WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.

OPERATION DESCRIPTION TIME

100802A 2009-2010 MKX 0.3 Hr.
Navigator, MKS, MKZ, And
2010 MKT: Reprogram
The DSP Module (Do Not
Use With Any Other Labor
Operations)

DEALER CODING
CONDITION
BASIC PART NO. CODE
18B849 04





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