What causes a fault code on a jeep heater?
A majority of historical fault codes are caused by intermittent wire harness or wire harness connector problems. 1. To enter the self-diagnostic mode, depress the a/c and recirc buttons at the same time and hold. Rotate the left temperature control knob clockwise (CW) one detent. 2.
How to test the temperature of a jeep heater?
Rotate the left temperature control knob clockwise (CW) one detent. 2. If you continue to keep the a/c and recirc buttons depressed, the AZC control module will perform a Segment Test of the Vacuum Fluorescent (VF) display.
What kind of controls does a jeep heater use?
The manual temperature control HVAC system uses a combination of electrical, and vacuum controls. The Automatic Zone Control HVAC system uses only electrical controls. These controls provide the vehicle operator with a number of setting options to help control the climate and comfort within the vehicle.
What is the OBD2 code for a jeep?
OBDII Jeep Code Definitions. Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.
A majority of historical fault codes are caused by intermittent wire harness or wire harness connector problems. 1. To enter the self-diagnostic mode, depress the a/c and recirc buttons at the same time and hold. Rotate the left temperature control knob clockwise (CW) one detent. 2.
Why does my Jeep Grand Cherokee not have an air conditioner?
Blower Motor – If there is no air blowing from your Grand Cherokee at all, the blower motor is at fault. They are not that expensive and are easy to replace (most of the time). Blend Door – The blend door controls how much air conditioned and heated air enters the cabin.
What are the codes for a broken Grand Cherokee heater?
The code numbers will be displayed on the screen one at a time. 22 or 54 – Left temperature door is broken or 47 – motor not responding. 24 or 56 – Right temperature door is broken or 48 – motor not responding. toasty warm again. can help. If you see the codes 54 and 56, you are in the right place! Our again! numbers. This will continue until the
How to fix a Jeep Grand Cherokee heater blend door?
Our JGCParts Heater blend door kits will fix your heater or we’ll buy it back. 2004 Jeep® Grand Cherokee®. you receive when you turn the temperature knob on the dash. If you turn the knob for hot air, they move up. If you turn the knob for cool air, they move down. them to fall down in the cold air position.