Check engine light 56

[Instafy]

I have a  1999 r34 gt rb20de neo auto. been converted to manual using rb20det gearbox and completed the wiring for the inhibitor and speed sensor, reverse light switch, first start it had a check engine light and i did the diagnostic and got the code 56

triple checked it wasnt code 55 anyone have any clue ?

[GTSBoy]

There is no 56 in the manual. Perhaps you should take it to a workshop and put a proper diagnostic handset on it to see what that says.

[joshuaho96]

16 hours ago, Instafy said:

I have a  1999 r34 gt rb20de neo auto. been converted to manual using rb20det gearbox and completed the wiring for the inhibitor and speed sensor, reverse light switch, first start it had a check engine light and i did the diagnostic and got the code 56

triple checked it wasnt code 55 anyone have any clue ?

There is no code 56 for the CEL. EC-23 in the R34 factory service manual shows that there are no codes past 55.