Error code U1600 Electronic Key. Invalid Signal - Alfa Romeo Forum
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Location: Norway
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156 - 98 MODEL

Error code U1600 Electronic Key. Invalid Signal

I have the above error code stored every time I hook my 98 Alfa 156 to MES. But I dont have any real probs starting the engine. The only thing I notice is if I turn the ignition on without starting the engine right away, I have to turn it off again and then go straight to "start".

If I turn the key to "on" position, wait a few seconds, then try to turn it further to start then its just dead (imobilised?)

I only have one key so this is a bit worrying if it is a sneaking fault that might get worse.

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code , electronic , error , invalid , key , signal , u1600

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