A6 / S6 (C5 Platform) Discussion Discussion forum for the C5 Audi A6 and S6 produced from 1998-2004

1999 A6 2.8Q with slipping tranny shifts...

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Old Jan 9, 2009 | 08:24 PM
  #1  
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Default 1999 A6 2.8Q with slipping tranny shifts...

I met a "new" owner of a 1999 A6 2.8 with 221k on the odometer recently. Helped with the throttle body adaptation, but the car has an odd shift when driving. It will seem to rev a bit higher between shifts (like the car is in neutral for a second), then slam into the next gear. We tried the tranny adaptation several times (manually and with the VAG COM), but no change in behavior.

The only error code that comes up is:
00526 - Brake Light Switch - F
27-00 Implausable Signal

Thoughts? Bad tranny??? TIA for any thoughts.
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Old Jan 10, 2009 | 04:03 AM
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my first thought is tranny fluid.. not just level, but age.
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Old Jan 10, 2009 | 04:04 AM
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Low fluid. Almost always.
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