Why does the transmission often show a fault code and then disappear on its own shortly after?

After replacing the battery in the MDX vehicle, a fault code appeared, and it cannot start.

Why does the transmission often show a fault code and then disappear on its own shortly after?

The engine fault code flashes at idle and stays on when starting. The fault indicates a misfire in cylinder two. After replacing the ignition coil and spark plugs, and cleaning the injectors, the fault code disappeared but returned after two days. Do you know what might be causing this?

Why does the car show a transmission fault warning during a cold start, but it goes away after waiting and restarting?

The check engine light on my Nissan Sunny came on, showing fault code P0705-00, which indicates an issue with the transmission range sensor A. The car suddenly jerked, and then the gear indicator on the dashboard disappeared. After turning off the engine and restarting, the gear indicator reappeared, but after a while, the check engine light came on again. I went to a repair shop to clear the fault code, and it seemed fine while driving, but the issue occurred again after some time. This has happened several times. Could it be a problem with the right tail light base?

I was driving a Haima S5 1.6 CAT Creative Edition on the highway for about 6 hours, and suddenly the car couldn't accelerate. After stopping and turning off the engine for a while, it could accelerate again. What could be the problem? This has happened twice already, once on the highway before and once this year. When it couldn't accelerate, the car showed a fault code, but after parking overnight, the fault code disappeared. Has anyone else experienced this?

Engine shows fault code, acceleration is weak, what could be the reason?

MG ZS intermittent engine fault code. It disappears and then reappears, how to deal with it?

When braking, does this taillight light up? After the dashboard is powered on, all the fault codes light up, but they all disappear once the engine starts. Is this situation normal?

Guys, I have a 2017 1.6 Zhixing. Last month, while driving, it showed a message to shift to P gear for repair, but it disappeared after a while. This morning, it reported a transmission fault, but after starting the car, it was gone again. What's going on?