You could check all fuses and relays in the cab and under the hood. Remember that just because a fuse looks good, it may not be. It's best to use a test light when checking these. Check the wiring to make sure there arent any breaks etc. Lastly, the bulbs may be bad too.
A blown fuse can cause the dashlights and taillights to stop working on a 2001 Dodge 1500.
The lights are computer controlled. The under hood computer can set codes and keep the lights from working.
A loose wire would cause the horn to stop working on your Dodge Avenger 2.4L engine.
blown bulb due to short circuit, faulty ground, or broken wire
Start with checking the fuses.
the socket
I tried all the fuses, the parts that under the brakes I checked that. All lights come on and working except the brake lights no break lights.
Fuse box is in the glove compartment
Check fuses and the headlight switch.
It means that one of the head/tail lights is not working.
On a 2000 Dodge Ram, "no bus" means the communication network between modules has quit working. Any module on the network or the wiring between them can be the cause of the malfunction.
The bulbs should be checked on a 1993 Dodge Dakota if the taillights are not working. The plugs on the trailer package should also be checked to make sure that they are working.