TT Roadster L4-2.0L Turbo (BPY) (2008)
Amplifier: All Technical Service Bulletins
Audio System - Cracking/Popping Noises
91 07 29
July 19, 2007
2015760/1
Vehicle Information
Popping noise through Bose speakers when starting vehicle (DTC 01042 Control Module not coded)
Condition
When the ignition is turned on, a cracking or popping noise is heard through the Bose sound system.
DTC 01042 (Control Module not coded) must be stored in the amplifier Addressword 47 Sound system.
Only the Bose (PR-Nr. 8RY) sound system is affected by this condition.
Technical Background
The Bose amplifier loses its coding.
Production Solution
Service
1.
Recode addressword 47 Sound system through Guided Fault Finding by running the function test plan for the DTC or selecting the following:
GFF >> Go to >> Function / Component Selection >> Body (Rep.Gr. 01; 27; 50-97) >> Electrical equipment (Rep.Gr. 01; 27; 90-97) >> 01 On
Board Diagnostic (OBD) capable systems >> 47 Sound system Bose | J525 >> 47 Control module coding (RG.91)
2.
Once the amplifier is properly recoded, the condition will be resolved and will not reoccur.
Warranty
Required Parts and Tools