CATALYTIC CONVERTER BASICS TECHNICAL
SERVICE BULLETIN
Technical Service Bulletins or TSB’s are published by
the Manufacturer to address particular issues, repairs or
updates to a vehicles systems or components. Advances in
technology have created scenarios whereby a software
update to the vehicles computer may be all that is needed
to repair a driveability issue. Intermittent MIL (Check Engine
light) illumination, premature or false codes are also
instances that might only call for a software update. Reprogramming
or Reflashing are terms commonly used to
describe these operations. TSB’s are very specific and
will clearly spell out what vehicles, systems and components
the bulletins are addressing and what actions are to be
taken including any updated components and/or reprogramming
necessary for a proper repair.
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