Commander 4WD V8-4.7L VIN N (2006)
diagnostic trouble codes (DTCs) related to the heating-A/C system and run the calibration procedure to verify that the concern is not a system issue.
The A/C-heater control cannot be repaired and, if faulty or damaged, it must be replaced.
The ATC A/C-heater control utilizes integrated circuitry and information carried on the controller area network (CAN) B bus to monitor many sensors
and switch inputs throughout the vehicle. In response to those inputs, the internal circuitry and programming of the ATC A/C-heater control allows it to
control electronic functions and features of the ATC heating-A/C system.
Some of the inputs received by the A/C-heater control of the ATC heating-A/C system on the CAN B bus are as follows:
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Controlhead backlight dimming
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Refrigerant Pressure
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A/C Clutch Engage
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Vehicle Identification Number
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Vehicle Odometer
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Engine Coolant Temperature
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Ambient Air Temperature
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System Voltage
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Vehicle Speed
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Engine Speed
Some of the messages broadcasted by the A/C-heater control of the ATC heating-A/C system on the CAN B bus are as follows:
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A/C Request
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A/C Select
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EBL Status