Code 42- ASD Relay open or shorted.
http://minimopar.knizefamily.net/fault/code42.html
Code 32- Logic module did not see a change in air/fuel ratio when EGR circuit was activated
http://minimopar.knizefamily.net/fault/code32.html
Are you sure its code 84? If so, you may have a malfunctioning ECM (engine computer)
Code 37 means An open or shorted condition detected in the torque convertor clutch solenoid circuit
12 is battery disconnencted recently 21 is oxygen sensor stays at center. 55 is end of message.
Oxygen Sensor issue. Copy and paste the URL into your browser for a full description. http://minimopar.knizefamily.net/fault/code52.html
A code 51 usually represents a MEM-CAL, PROM, or ECM Error (Faulty or Incorrect Calibration).
have the cooling fans checked out.
Try MOTORLIT.COM.
Injector driver open or short.
Code 24 throttle position sensor voltage low or throttle position sensor voltage high.
55 Means End of Code... Its nothing to worry about. Just means there is no codes
It is end of message. It just means that the computer has finished reading codes.
Code 37 means An open or shorted condition detected in the torque convertor clutch solenoid circuit