April 29, 2013 Service bulletin

Customer may report transmission warning light comes on. No drivability/starting concerns

Audi technical service bulletin A371303 2033653- for 2012-2013 Audi A6, 2013 Audi A4 Allroad and 2013 Audi A5 Cabriolet.

Bulletin number: A371303 2033653-
Component: Electrical system: software
Summary: Customer may report transmission warning light comes on. No drivability/starting concerns. GFF scan shows DTC P172400 (Control Module Malfunctioning, Sporadic), stored in the transmission control module (TCM), J217 (02). DTC 00165 (Transmission Park/Neutral Position Switch -F322- Incorrect Signal Sporadic) may also be stored in the comfort system central control module, J393 (46). The entry is caused by an overly sensitive diagnosis in the TCM, due to an error in the engine control module (ECM), J623, software. This error does not affect the driving characteristics.

Owners of these vehicles have filed 29 complaints in the electrical category.

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