| Light |
Diagnostic trouble code |
Description |
| blue |
ATC 000170.03 |
Sending units for inside air temperature, shorted or open circuit |
| blue |
ATC 000170.04 |
Sending units for inside air temperature, short to ground |
| blue |
ATC 000171.03 |
Sending units for ambient air temperature, shorted or open circuit |
| blue |
ATC 000171.04 |
Sending units for ambient temperature, short to ground |
| blue |
ATC 000628.12 |
Controller internal fault |
| blue |
ATC 000630.02 |
Controller internal fault |
| blue |
ATC 000639.14 |
29-bit CAN BUS, high error rate |
| blue |
ATC 000871.03 |
Refrigerant pressure sending unit, shorted circuit |
| blue |
ATC 000871.04 |
Refrigerant pressure sending unit, grounded or open circuit |
| blue |
ATC 000876.03 |
Air-conditioning relay, shorted or open circuit |
| blue |
ATC 000876.04 |
Air-conditioning relay, grounded circuit |
| blue |
ATC 000876.10 |
Compressor clutch engages and disengages too often |
| blue |
ATC 000876.14 |
Compressor switches off due to engine overheating |
| blue |
ATC 000919.03 |
Solar sensor activated |
| blue |
ATC 000923.03 |
Driver unit for the fan motors, shorted circuit |
| blue |
ATC 000923.04 |
Fan motor driver unit, grounded or open circuit |
| blue |
ATC 000923.12 |
Fan motors, malfunction |
| blue |
ATC 001079.03 |
5-volt power supply, shorted or open circuit |
| blue |
ATC 001079.04 |
5-volt power supply, grounded circuit |
| blue |
ATC 001546.03 |
Potentiometer for position of water valve, shorted or open circuit |
| blue |
ATC 001546.04 |
Potentiometer for water valve position, grounded circuit |
| blue |
ATC 001547.03 |
Sending units for evaporator core temperature, shorted or open circuit |
| blue |
ATC 001547.04 |
Sending unit for evaporator core temperature, short to ground |
| blue |
ATC 001548.03 |
Sending unit for actual outlet air temperature, shorted or open circuit |
| blue |
ATC 001548.04 |
Sending unit for actual outlet air temperature, grounded circuit |
| blue |
ATC 001549.03 |
Water valve motor, shorted circuit |
| blue |
ATC 001549.04 |
Water valve motor, grounded circuit |
| blue |
ATC 001549.07 |
Water valve, malfunction |
| blue |
ATC 001549.13 |
Water valve not calibrated |
| blue |
ATC 001552.03 |
Temperature control, shorted or open circuit |
| blue |
ATC 001552.04 |
Temperature control, grounded circuit |
| blue |
ATC 001553.03 |
Fan speed control, shorted or open circuit |
| blue |
ATC 001553.04 |
Fan speed control, grounded circuit |
| blue |
ATC 002000.09 |
Engine control unit is not transmitting any data (coolant temperature) |
| blue |
ATC 523848.03 |
Potentiometer for position of air distribution flaps, shorted or open circuit |
| blue |
ATC 523848.04 |
Potentiometer for position of air distribution flaps, grounded circuit |
| blue |
ATC 523848.05 |
Adjusting motor for air distribution, shorted circuit |
| blue |
ATC 523848.06 |
Adjusting motor for air distribution, grounded circuit |
| blue |
ATC 523848.07 |
Air distribution, malfunction |
| blue |
ATC 523848.13 |
Adjusting motor for air distribution, not calibrated |
| blue |
ATC 523860.03 |
Defog sensor, shorted or open circuit |
| blue |
ATC 523860.04 |
Defog sensor, grounded circuit |
| blue |
ATC 523860.02 |
Defog sensor, frequency out of valid range |