Ross-Tech-Tips (as appeared in Motor,
Motor Age, and others)
Volkswagen/Audi Control Module Coding De-Mystified
"People often struggle to determine the coding when replacing a control module
in a VW or Audi vehicle." This Tech-Tip explains the use of the Production Codes label (PR Codes)
- Motor Age Magazine, June 2009
VW/Audi Throttle Body Alignment
"Since 1996, most gasoline-engine
VAG cars have electrically controlled throttles"
This Tech-Tip explains how to perform the process known as
Throttle Body Alignment (TBA)
-Motor Magazine, September
Diagnosing a VW/Audi MAF Failure
"One of the most commone failures on 2000 and new VW and Audi
cars is the MAF sensor"
This TechTip describes a method to diagnose a failing Mass
- Motor Age Magazine, June 2008
Avoid Damaging Rear Calipers
"As of 2004, some VW/Audi models have Electronic Parking
This Tech-Tip explains how to open and close rear calipers
on models with Electronic Parking Brakes
- Motor Magazine, April 2008
Does a Generic OBDII Tool Show All Codes?
"Quite simply, the answer is no. Generic OBDII tools
may not give the complete picture...."
- Motor Magazine, September 2007
VW/Audi Airbag Module Coding
"Whenever the airbags in a VW or Audi have deployed, crash
data is stored
in the airbag controller and cannot be cleared.... the airbag
controller must be replaced."
- Motor Magazine, April 2007
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