(HVAC Systems (MTC) - Electrical Diagnostics)
- DTC Troubleshooting
- DTC 11: Mode Pot Open
- DTC 12: Mode Pot Shorted
- DTC 13: Temp Pot Open
- DTC 14: Temp Pot Shorted
- DTC 18: Blend Door Range Too Small
- DTC 21: Blend Door Range Too Large
- DTC 22: Front Mode Door Range Too Small
- DTC 23: Front Mode Door Range Too Large
- DTC 31: Evaporator Sensor Open
- DTC 32: Evaporator Sensor Shorted
- DTC 33: A/C Mode Switch Stuck
- DTC 34: EBL Mode Switch Stuck
- DTC 35: Failed Cool Down
- DTC 36: EEPROM Checksum Error
- DTC 37: ROM Checksum Error
- DTC 41: Front Mode OVERCURRENT
- DTC 43: Blend OVERCURRENT
- DTC 44: RECIRC OVERCURRENT
- DTC 45: Blend Door Bound
- DTC 46: Front Mode Door Bound
- DTC 47: RECIRC Door Bound
- DTC 51: RECIRC Door Range Too Small
- DTC 52: RECIRC Door Range Too Large
- DTC 53: Front Mode Door Linkage Broken
- DTC 55: Blend Door Linkage Broken
- DTC 56: RECIRC Door Linkage Broken
- DTC 61: Common Door Driver Circuit Shorted To Ground
- DTC 62: Common Door Driver Circuit Shorted To Ignition
- DTC 63: Front Mode Door Driver Circuit Shorted To Ground
- DTC 64: Front Mode Door Driver Circuit Shorted To Ignition
- DTC 67: Blend Door Driver Circuit Shorted To Ground
- DTC 68: Blend Door Driver Circuit Shorted To Ignition
- DTC 69: RECIRC Door Driver Circuit Shorted To Ground
- DTC 71: RECIRC Door Driver Circuit Shorted To Ignition
- DTC 72: Short Too Complex
- DTC 73: Ac Request Output Signal Too High
- DTC 74: Ac Request Output Signal Too Low
- DTC 75: Ac Request Output Signal High When Driven Low
- DTC 76: Ac Request Output Signal Low When Driven High
- DTC 77: EBL Output Shorted High
- DTC 81: Blower Not On High At Start Of Cooldown Test
- DTC 82: Sensor Too Cold To Start Cooldown Test
- DTC 83: Sensor Failed Open During Cooldown Test
- DTC 84: Sensor Failed Shorted During Cooldown Test
- DTC 85: Blower Not On High During Cooldown Test
- Standard Procedure