P0603 on the 2012 Audi A6
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 3713882032094 | 2024-02-20. Service bulletin. Transmission warning message in cluster (DTC P0603 in TCM) |
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| A371388 2032094- | 2017-11-17. Service bulletin. Supersedes Technical Service Bulletin Group 02 number 12-02 dated December 6, 2012. Customer may report transmission warning light comes on. No drivability/starting concerns. GFF scan shows fault code: P060300 (Control Module Malfunctioning, Sporadic), stored in the Transmission control module (02). The entry is caused by an overly sensitive diagnosis in the gearbox control unit. This does not affect the driving characteristics. |
| A021202 2032094- | 2017-11-08. Service bulletin. Customer may report transmission warning light comes on. No drivability/starting concerns. GFF scan shows fault code- P060300 (Control Module Malfunctioning, Sporadic), stored in the Transmission control module (02). The entry is caused by a too sensitive diagnosis in the gearbox control unit. This does not affect the driving characteristics. |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.