Question about 1997 Audi A6

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What will my audi do if i have a bad tcm? - 1997 Audi A6

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  • Audi Master
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Sliding or problems with the gears is the first symthom, but before to change or replace some parts, I suggest scanned the TCM to know if some fault code is stored there; sometimes, solving the codes (as minor repair) save buy new TCM.

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Posted on Feb 08, 2012

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TDISLine
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SOURCE: 18034 code,i think is a bad conection, in the

Trouble code identification:
VAG type 5-digit fault code 18034 = EOBD type P1626 fault code:
Fault location = CAN data bus, TCM - no signal
Probable cause = TCM trouble code(s) stored, TCM incorrectly coded, wiring, matching resistor in ECM.

Posted on Jan 28, 2010

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Code points more towards tranny problem, not TCM. Check tranny fluid level (google instructions; there is no 'dip stick'. You need to fill until if overflows). Also: gear selector (on the side of the tranny).

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Where is the TCM located


TCM (transmission control module).The TCM its located under the passenger side carpet. -------- Thanks.Helpmech.

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1 Answer

18034 code,i think is a bad conection, in the TCM,but where is it.my car is a audi a4 2005


Trouble code identification:
VAG type 5-digit fault code 18034 = EOBD type P1626 fault code:
Fault location = CAN data bus, TCM - no signal
Probable cause = TCM trouble code(s) stored, TCM incorrectly coded, wiring, matching resistor in ECM.

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