Applicable Systems
9R Tractor
Symptoms
Cab air conditioning not maintaining set temperature; ClimaTrak auto climate control malfunctioning.
Possible Causes
- ATC temperature sensor faulty
- ATC blend door actuator stuck
- ATC controller communication loss
Troubleshooting Steps
- Step 1: Check ATC temperature sensor reading
Sensor reading matches actual cab temp - Step 2: Inspect blend door actuator operation
Actuator moves through full range - Step 3: Verify ATC CAN communication
ATC responds to Service Advisor - Step 4: Replace faulty ATC sensor or actuator
New component operates correctly - Step 5: Clear code and calibrate ClimaTrak system
Cab temperature maintains setpoint
How to Reset
Clear via Service Advisor after ATC component service.
Common Replacement Parts
- ATC Temperature Sensor P/N: RE284551
- Blend Door Actuator P/N: RE284552
Frequently Asked Questions
- Q: What is ClimaTrak?
John Deere's automatic cab climate control system that maintains set temperature by automatically controlling AC, heat, and fan speed.
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Source: johndeerefaultcodes.com
Category: Heavy Equipment
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