How do you reset the ECU on a Jeep XJ?
Jeep ECU Reset Procedure
- Disconnect the battery by removing the positive battery cable.
- Ground the positive cable to the negative cable for 30 seconds to erase the electric charge in the capacitors.
- Reconnect the positive cable to the battery.
- Turn the key to on but do not start.
- Turn the headlights on.
Are there any problems with the Jeep XJ Cherokee?
Another symptom to consider is the cruise control and the A/C and heater panel settings not working when you’re climbing a grade with the Jeep. I made the Chrysler TSB #24-12-99 available as a PDF download.
What are the features of a 1999 XJ Cherokee?
The XJ Cherokee in the article is our 1999 Cherokee Sport 4-door with power windows, power door locks, power mirrors and remote keyless entry (RKE). The passenger side front door module is the “brains”, containing both relays and switches. A quote from Chrysler helps:
Why does my RKE not work on my XJ Cherokee?
The RKE also does not work (and have changed to fresh batteries). If the fix is just as you mentioned in your tutorial (i.e. changing the PDM or DDM) that would be great. Also, cheers for all the helpful tutorials you do mate, you’re a real champ!
Why does my Jeep Cherokee stall while driving?
A significant number of drivers have reported that not only did their Jeep Cherokees lose engine power while driving, but in nearly all cases, stalling occurred without any warning and with no indicator lights on the instrument panel.
Another symptom to consider is the cruise control and the A/C and heater panel settings not working when you’re climbing a grade with the Jeep. I made the Chrysler TSB #24-12-99 available as a PDF download.
The XJ Cherokee in the article is our 1999 Cherokee Sport 4-door with power windows, power door locks, power mirrors and remote keyless entry (RKE). The passenger side front door module is the “brains”, containing both relays and switches. A quote from Chrysler helps:
The RKE also does not work (and have changed to fresh batteries). If the fix is just as you mentioned in your tutorial (i.e. changing the PDM or DDM) that would be great. Also, cheers for all the helpful tutorials you do mate, you’re a real champ!
A significant number of drivers have reported that not only did their Jeep Cherokees lose engine power while driving, but in nearly all cases, stalling occurred without any warning and with no indicator lights on the instrument panel.