Go to Control Unit and select Engine Control Unit, which typically is the first option. Select View Live Data. Go to the Start/Stop Function and select it. The engine starts/stop function may not work because conditions set by the manufacturer are not met or because of a problem with the start/stop function. SOURCE: battery light on. some ford vehicles have an external voltage regulator. when theres more demand for power it gives it. but when theres too much itll lower it so it does not overcharge. at 1600 rpms there is more demand, plugs firing with more fuel in the cyl, if the alt is working properly the regulator could mess up and stop power from the alt. its a cheap fix or tryoutanother big Press and hold the “Trip/Odo” button and turn the car back on. While you’re holding the button, turn the key back to the “ON” position. Hold the button down for another 2 seconds after the car’s back on, then release. [3] 5. Press and release the “Trip/Odo” button 3 times, holding it down the third time. For example, I had a injetor fault, P0266 (the only fault), stop start stoped working and warnig sign came on, the danger triangle stating "defect in the engine, repair nedded". After a day or two P1A9C fault also was there but now I believe that the internal network of ecu's communicate and the P1A9C fault gets created because the system is If you press and hold the menu button on the touch screen the radio will reboot and send it's identity code again. Hopefully the "car" should accept the code and stop bleeping. Not a permanent solution but at least the bleeping stops without the need to get out, lock up and wait five minutes. Location: United Kingdom. Reputation: 2. #10. 01-12-2012, 10:53 AM. There should be two clips on the outer side of the light clusters, these are frequently broken off, but if yours are still present try disengaging these clips by sliding a credit card between the body and the light cluster and push against them.. Find. Could be the calipers but it also sounds like you have a faulty switch on your pedals so stop start isn't sure whether to stop or not. Best get a garage to have a look at it (unless you know what you're doing) I'm wary of just replacing the sensor to cure a problem elsewhere. The garage I bought it from initially just replaced the pads which This has happened to me a ton of times, and it’s never the scanner’s fault. The most common cause of an OBD scanner that won’t turn on is a blown fuse on the vehicle’s OBD socket power supply circuit. If the check engine light fails to aluminate, you can be sure the fuse has blown. Checking the vehicle’s fuse box and replacing the 1. response. Engine running rough ecu light on now won’t start. Engine started running lumpy the engine management light came on, got worse and worse only managing 15mph. Stopped now will not start, eco mode showing on dash, radio will not turn on. Citroen has shown off its next-generation stop-start system on a C3 Picasso. The company launched its first-gen system four years ago on the C2 and C3, for which it claims fuel savings of up to 27 zMnh.