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March 12, 2021 Service bulletin

Emissions Recall T21 Reprogram Engine Control Unit

Sprinter technical service bulletin T21 Combo Rev4 for 2004-2006 Sprinter 3500 and 2004-2006 Sprinter 2500.

Bulletin number
T21 Combo Rev4
Component
Engine and engine cooling
Summary
Emissions Recall T21 Reprogram Engine Control Unit

Owners of these vehicles have filed 23 complaints in the engine category.

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