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U1123 Diagnostic Trouble Code Discussion for April 2021

databus error value received


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Trouble Ticket Help Requests for DTC U1123
Help Request Posted
2015 Volkswagen Jetta GLI SE 2.0L Misfire VIN: 3VW4T7AJ2F
U1123: databus error value received. hello iatn i got a head scratcher for ya. 2015 jetta 2.0t cpp with miss fires at idle high misfire counter on 3 and 4. things ive done, walnut shelled valves very dirty(carbon), replaced timing chain due to tensioner being out seven notches, replaced oil s...
April 06, 2021
2015 Volkswagen Jetta GLI SE 2.0L Misfire VIN: 3VW4T7AJ2F
U1123: databus error value received. hello iatn i got a head scratcher for ya. 2015 jetta 2.0t cpp with miss fires at idle high misfire counter on 3 and 4. things ive done, walnut shelled valves very dirty(carbon), replaced timing chain due to tensioner being out seven notches, replaced oil s...
April 08, 2021