As have said in previous posts when ignition goes on I hear fuel pump working I turn key hear starter motor try to connect but nothing at all from engine, had a friend run diagnostic and shows some sort of immobiliser activation but he can’t tell me anymore than that, spark plugs were replaced less than 4 months ago and has 3/4 of a tank of FIAT 500 - Errors on the display. Hi my daughters Fiat 500 runs fine and is still in use on local trips but it suddenly had the following messages and lights appear on the clock - this was her message to me: start stop unavailable, fuel cut off unavailable, start stop light on (and amber exclamation mark in triangle light on too), red airbag light on, red passenger airbag light on, red Hi all, my wife has a fiat 500. she hasn’t driven it for a few days but when she did it had a few warning lights on!! Airbag lights are on plus it says fuel cut off unavailable all so the mileage is flashing!! I’ve had the battery Checked today which is ok!! At kwikfit and also they have plugged the car in!! These are the codes. On the Fiat 500 two warning lights came on, yellow triangle and start stop sign, I have to drive back from Gloucestershire to Dorset though … read more BrookerMechanic I have just bought a fiat 500 diesel which has had a front end bump. The car is now repaired but i just cant get it started. I know the fuel cut off went so i did the indicator reset thing but no joy. The 'fuel cut off' on the dash was still on. I then had the airbag ecu reset and did the indicator thing again. Yesterday when i started my car (Abarth 500), i got a message on the dash saying: "fuel cut off unavailable”. Also the 2 airbag (the red one-driver's airbag, and the yellow one-passenger airbag) and seat belt light were on. I went immediately to the nearest fiat dealer, to connect my abarth to the computer, to show me what’s going wrong. 59 reg fiat punto, dash lights up when I turn key, says fuel cut off unavailable and ***** *****ght showing car and padlock, does not do anything when I try to start car … read more CaseyA925 Usually a bad or failing fuel pump relay will produce a few symptoms that can alert the driver of the issues. 1. Engine stalls. One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls. If the fuel pump relay has an issue while the vehicle is operating it will cut off power to the fuel pump, which will CqI1z.