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January 27, 2016 Service bulletin

The MIL is sporadically on. One or more of the following DTCs is stored in the engine control module (ECM,...

Audi technical service bulletin A191666 2043142- for 2012-2016 Audi A6, 2012-2016 Audi Q5 and 2012-2016 Audi Q7 and others.

Bulletin number
A191666 2043142-
Component
Engine and engine cooling
Summary
The MIL is sporadically on. One or more of the following DTCs is stored in the engine control module (ECM, J623 (address word 01). They are DTC P261A00 (Coolant Pump ?B? Control Circuit/Open), DTC P261B00 (Coolant Pump ?B? Control Circuit Range/Performance), and DTC P261C00 (Coolant Pump ?B? Control Circuit Low). The continued coolant circulation pump sporadically fails.

Owners of these vehicles have filed 691 complaints in the engine category.

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