OEM HU Code !!

[Sjdickso]

I have just changed the battery on our 172 ph2 and of course the HU is asking for the 4 digit code which i have.

I enter the 4 digit code then hold and press 5, it just bleeps :dapprove:

Am i doing this wrong? This is the code in the book & service manual.

If it the wrong code it must have been chnaged at the stealer and updated code not passed on.

Any advice would be great.

 

[Sjdickso]

All sorted, did some searching and you needed to press 6 not 5 to enter code.

 

[Has]

Press and hold 6 as said.