idk if this has be talked about or posted new here but sorry. so i have 93 accord ex wagon yesterday morning the car drove great came back home went to go out again and the d4 light came on while i was parked it was a solid light not blinking so after a bit of flipping out i tried to pull the codes for it but got nothing but my abs light blinking did some searching online found i should look into the tcu which to me looks fine inside of it but i could be wrong but before that was pulled i pulled out the radio/backup fuse the d4 light went out came back in for 20 mins go to start the car and the d4 light was back in while i was parked solid green again any help you be appreciated before i send the tcu out or just give up on it.