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r33 gtr 4wd and a,lsd light on

soo i  had bought a r33 gtr that was stolen and recovered, the whole car was intact apart from missing atessa pump and hardline choped , so at that time the car was running in rear wheel drive,  i had bought these parts from a vspec that was being wrecked and put both in, new fluids,  bleed it etc now my 4wd works , but only issue im left with is both lights on the dash  (4wd & a.lsd) i had checked my atessa ecu which indicated a red light and code 34 ive tried connecting it 2 different diagnostic machines but wont work as i have a power fc  has anyone ever had the same issue, any help or info will be appriciated as i just want everything to  be sorted

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