audi s3 8p engine speed not work

[sxp88]

Hello
audi s3 8p older red instrument cluster not show rpm
after used newver 115AB sw version
and go back back old 115H ecu

possible newver sw version make any automatic adaptation ? or ?
new ecu immo off
now switch back 115AB cluster rpm working fine but 115H not

any ideas?

thanks

[ollync]

Try do Needle activation with vcds, maybe faulty needle motor


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[sxp88]

its fixed working again

not faulty needle motor because other ecu working