12 is battery disconnencted recently 21 is oxygen sensor stays at center. 55 is end of message.
Are you sure its code 84? If so, you may have a malfunctioning ECM (engine computer)
It is end of message. It just means that the computer has finished reading codes.
55 Means End of Code... Its nothing to worry about. Just means there is no codes
Code 37 means An open or shorted condition detected in the torque convertor clutch solenoid circuit
The codes on a 1994 Sundance are 2 digit codes. Code 3 is not correct.
what is code 463 on dodge ram 2002
55 code is not an error code, it signals end of codes. If no other codes preceded it, you have no error codes.
12: you disconnected your battery less then 50 key 'on-off' cycles ago 55: end of codes
The trouble codes on an 1988 Dakota are two digit codes. Code 1 does not exist.
"c" codes are chassis codes. Such as ABS failures.
A code 111 on a 1994 Mercury Sable is a KOER code. This specific code means that no other codes are coming up on the vehicle.