With a scan tool, or unhooking the battery.
It does not have a reset.It does not have a reset.
Autozone will use the Engine Diagnostic Code Reader to read the codes and then ERASE/RESET the engine light. { Phone other autoparts stores to see if they provide similar service).
12 - battery was disconnected 14 - map sensor volts low 27 - injector control circuit 55 - end of message (no more codes)
You can only reset it with an OBDII diagnostic scaner
http://www.jedi.com/obiwan/jeep/dtc.html
Map sensor voltage low.
Have vehicle scanned to determine the problem and have codes cleared
you cross reference with 5 gallons of unleaded gasoline and a match
By plugging a scan tool into the service port.
I have the same jeep and had the same problem its the clock spring thats broke you need to replace the steering colum or you can go and get the codes reset on it you can try to reset it your self disconnect your battery cables over night and it should reset your codes and your airbag light should go off mine did
Jeep does not use inertia/reset switchesJeep does not use inertia/reset switches