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April 29, 2003 Service bulletin

Update programming (flashing) engine control module (ECM)

Volkswagen technical service bulletin 0304 for 2002-2003 Volkswagen Jetta and 2002-2003 Volkswagen GTI.

Bulletin number
0304
Component
Engine and engine cooling: engine
Summary
Update programming (flashing) engine control module (ECM). Various models including the jetta wagon. Tt

Owners of these vehicles have filed 185 complaints in the engine category.

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