Faulty sensor, short to power or short to ground in the circuit.
It is defective or the alternator belt is loose.
if you are having problems with a brand new vehicle, take it back to the dealer, if you try to fix it yourself, you will loose your warrenty
Loose or defective gas cap.
Possible that you have knocked the fuel pump wiring loose at the fuel tank. The fuel tank is at the very rear of the truck.
bottom of seat pushes in and then up to get it loose and then pull out, the back is held in place with 2 bolts to the floor and then slide the back up and out.
The check engine light can be an indicator for a number of problems including low oil pressure, water pump troubles, or even just a loose or faulty gas cap. It would be a good idea to go to an auto parts store or an auto shop to find out what exactly is the problem.
There is a good chance your fuel cap is loose, missing or damaged. Check it and replace if necessary.
From outside,take a screws out to get light assembly loose and remove light socket from back of assembly and channge your light bulb,then put it back.
For a steady (not blinking) yellow engine light: That indicates a fault with the engine or one of it's systems. It's usually an emissions related fault. Often caused by a loose gas cap.
Check for a loose ground or loose bulbs.
Don't just fool around with it...tighten the fastening screw or if the problem is actually a fault within the switch (intermittent fault) as when it is touched or with road vibration...replace the switch.
Possible causes for a shake include a bad tire, bent rim, loose lug nuts, or an out of balance tire and wheel.