6/20/2023 0 Comments 300m atc code 24![]() ![]() The diagnostic trouble codes are stored in the BCM and can range between 23 and 51. If there are no diagnostic trouble codes, the system will return to its normal operation as indicated by the temperature symbol (a C or a F) Diagnostic trouble codes related to the ATC and climate control unit will appear on the display in numerical form. Then it will display any diagnostic trouble codes that are present in the BCM. This occurs until it completes its tests and climate control unit door/actuator calibrations. Once the control head enters the diagnostic mode, the display on the control head will continue to blink. Release the Floor, Mix and Defrost buttons. To place the system into it's diagnostic mode, press and hold the Floor, Mix and Defrost buttons (at the same time) The ATC head display will begin to blink. The ATC DTC table has DTC's for ATC Head Communications, In-Car Temperature Sensor and Sun Sensor which are not in a Manual A/C systemģ1 RECIRCULATION DOOR ACTUATOR STALL FAILUREģ7 BLEND DOOR ACTUATOR OUTPUT SHORTED TO BATTERYģ8 BLEND DOOR ACTUATOR OUTPUT SHORTED TO GROUNDģ9 MODE DOOR ACTUATOR OUTPUT SHORTED TO BATTERYĤ0 MODE DOOR ACTUATOR OUTPUT SHORTED TO GROUNDĤ1 RECIRC DOOR ACTUATOR OUPUT SHORTED TO BATTERYĤ2 RECIRC DOOR ACTUATOR OUTPUT SHORTED TO GROUNDĥ1 SYSTEM VOLTAGE TOO LOW FOR DOOR CALIBRATION The Manual A/C DTC table covers Fault Codes that are for the manual A/C Control Head and wiring and are not used on an ATC system. ![]() The DTC's cover operation of the climate control unit actuators, doors, evaporator temperature sensor, ambient temperature sensor and the A/C refrigerant system. The same diagnosis can be used for both systems. ![]() The ATC and Manual A/C DTC table contain faults that are common to both the ATC and the Manual A/C system. Refer to the DRBIII? menu for checking Diagnostic Trouble Codes (DTC's) Note that there are three DTC tables. Is there a way to see if more error codes exist?īoth the ATC and the Manual A/C system are controlled by the Body Control Module (BCM) Both systems can be diagnosed by the DRBIII? scan tool or the vehicles own control head display. However in the manual i was looking at it referenced possible other codes and need to push and release panel button. I found instructions on how to fix at your site, Thanks. I ran the ATC diagnostic test and received a code of 24. The heater is blowing heat but only out the defroster and not to the floor or main vents. ![]()
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