While the motor is off, I can move the door until I hear it "SHUT" and then I get HOT AIR, so I dont think the door itself is bad. Set the ATC at 75°, start the engine, and using the DRB select ‘‘Body Computer’’ ‘‘Read DTCs)’’. If I connect the blend door motor, but let it hang down so I can see it turn, it moves a good deal when I run diagnostics, but when I try to set temp to LO or HIGH it barely moves. Same problem (no warm air) but I only get a code 23 Code 36 ATC Head Command Failure (Chryslers technical term: EEPROM Checksum Error). I just replaced the control panel with a used part.ĭiagnostic codes with ORIGINAL control panel:Īnd install the USED control panel, reconnect batteryĪnd the temperature on the overhead console reads 75F (its about 52F outside) what is meaning of trouble code 36 for ac control 199 chrysler 300m - Chrysler 1999 300M question. The ATC is showing fault codes 23 (blend door actuator) AND 24 (mode door actuator). 24K views 3 years ago How to fix hot air blowing out one side of dual AC. 300M ATC codes 23 & 24 3996 Views 8 Replies 4 Participants Last post by GoAskDavid, M mreed420 Discussion Starter I just experienced a heating system failure in a 2000 300M. I replaced the Blend door motor with a new part from dealer. 2000 300m heater code 23 blend door actuator location self diagnosed code 23. This is done so to ensure that you get the dehumidifying effect. The arrangement of the flow is that all of the air is going through the evaporator coil and then some of the flow is pushed via the heater coil (blend door). Codes will display in the odometer in the form ACxx where xx is the actual trouble code. Release the EBL button and wait for the A/C light to stop blinking. You will hear a chime and the A/C light will blink. I always use the manual method of setting temp and fan speed. Regarding code 23 - you need to replace blend door actuator. Press and hold the EBL button until AC00 appears in the odometer display. Regardless of temperature I set, it blows cold air.
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