Audio System - Popping From Speaker When Using SCAN Tool
91 07 14Oct. 16, 2007
2010555 Supersedes T.B. Group 91 number 04-09 dated October 20, 2004 due to inclusion into ElsaWeb.
Vehicle Information
Condition
Radio, Unusual Noise Heard When System is in DIAG Mode Using a VAS 5051/5052
While using VAS 5051 / 5052 diagnostic tool an unusual (low frequency) thumping /popping noise may be heard from door speakers while in DIAG mode.
Noise is no longer heard when "022 End Output" is selected on the VAS 5051 or VAS 5052 diagnostic tool.
Technical Background
Condition is normal, and is a result of diagnosis being performed on radio.
Production Solution
No production change required.
Service
DO NOT replace radio for this condition:
^ Continue to diagnose radio with no regard for this noise.
Warranty
Information only.
Required Parts and Tools
No Special Parts required.
No Special Tools required.
Additional Information
All part and service references provided in this Technical Bulletin are subject to change and/or removal. Always check with your Parts Dept. and Repair Manuals for the latest information.