For example, auto stop start will prevent your engine from running when you stop at a red light and start once the coast is clear. The system helps reduce fuel consumption and the generation of exhaust gases. At times, it also comes in handy to prevent accidental collisions. Stop start unavailable, service stop start system message highlights. Jeep Electronic Start System and 'Stop/Start Unavailable Service Stop/Start System' Warning. Jeep's start-stop technology is an automated system that reduces fuel consumption and exhaust emissions. It shuts off the engine when it detects that the vehicle has come to a halt.. Jeep Compass Transmission Problems: What Drivers Need to Know.
My guess (only a guess) is that the stop/start battery is failing. The Compass has two batteries, the regular service battery and another smaller one right next to it for the stop/start system. These 2nd Gen Compasses seem to have electronic problems, and the stop/start system seems to lead the way. There's several threads on here about that.. 6 Ways to Fix Stop/Start Unavailable Service Stop/Start System. Now let's move on and learn more about the causes for this annoying Stop/Start Unavailable Service Stop/Start System message. What is worth noting is that there can be a few types of problems.