OBD Code 1780

Price: $10 USD

Question description

02 VW Jetta GLS Sedan 1.8 turbo gas w/ tiptronic 5 spd auto trans.... Had OBD codes of 411 and 171..  put on new MAF, SAI Pump, New fuel pump, fuel filter and codes 171 & 411 gone but CEL came back on and Auto zone says it is OBD Code 1780...something about ECM & TCM not communicating.  Do you think that flashing the ECM might correct this or what is you thoughts on fixing  the problem causing the 1780 code.

Tutor Answer

(Top Tutor) Daniel C.
School: Rice University
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