Fault overview
| Fault code | Fault text | Fault effect |
|---|---|---|
| 0003 | Control unit faulty (manual, 2-zone and 4-zone air conditioning) | Control unit does not function |
| 0050 | Evaporator temperature sensor (2-zone and 4-zone air conditioning) | Temperature impairment in entire front area |
| 0057 | Servo motor rear right B-pillar (4-zone air conditioning) | Air flow impaired by side vents and rear right footwell |
| 0064 | Servo motor rear left B-pillar (4-zone air conditioning) | Air flow impaired by side vents and rear left footwell |
| 0229 | Refrigerant pressure (manual, 2-zone and 4-zone air conditioning) | No or limited cooling power/air drying |
| 0249 | Feedback signal rear blower regulator (4-zone air conditioning) | No or inaccurate blower regulator function |
| 0342 | Servo motor for footwell flap (manual air conditioning) | Air flow to footwell impaired |
| 0352 | Power supply terminal 30A (4-zone air conditioning) | No function possible |
| 0353 | Feedback signal front blower regulator (manual, 2-zone and 4-zone air conditioning) | No or inaccurate blower regulator function |
| 0359 | Front left blower outlet sensor (2-zone and 4-zone air conditioning) | Temperature impairment in left front area |
| 0360 | Front right blower outlet sensor (2-zone and 4-zone air conditioning) | Temperature impairment in right front area |
| 0362 | Servo motor, air flow flap, rear left (4-zone air conditioning) | Impaired air flow in left back seat area |
| 0363 | Servo motor, air flow flap, rear right (4-zone air conditioning) | Impaired air flow in right back seat area |
| 0457 | Vehicle electrical system control unit (CAN comfort) (manual, 2-zone and 4-zone air conditioning) | Air-conditioning system regulator control unit switches to limp-home mode |
| 0489 | Rear left blower outlet sensor (4-zone air conditioning) | Temperature impairment in left back seat area |
| 0490 | Rear right blower outlet sensor (4-zone air conditioning) | Temperature impairment in right back seat area |
| 0538 | Reference voltage (5 V power supply for sensors) (manual, 2-zone and 4-zone air conditioning) | Incorrect air valve positions due to incorrect measured values |
| 0565 | Rear air-conditioning system regulator control unit (4-zone air conditioning) | Air-conditioning system regulator control unit switches to limp-home mode |
| 0657 | Servo motor for central vents (2-zone air conditioning) | Air flow from front central vents impaired |
| 0668 | Voltage terminal 30 (manual, 2-zone and 4-zone air conditioning) | No function possible |
| 0709 | Sun sensor (manual, 2-zone and 4-zone air conditioning) | No or inaccurate air-conditioning system regulator function |
| 0710 | Servo motor for defrost valve (manual, 2-zone and 4-zone air conditioning) | Limited defrost function Air flow from defrost nozzles impaired |
| 0711 | Servo motor for left footwell flap (4-zone air conditioning) | Air flow to left footwell impaired |
| 0712 | Servo motor for right footwell flap (4-zone air conditioning) | Air flow to right footwell impaired |
| 0713 | Servo motor for left central vents (4-zone air conditioning) | Air flow from left central vents impaired |
| 0714 | Servo motor for right central vents (4-zone air conditioning) | Air flow from right central vents impaired |
| 0787 | Air intake temperature sensor (2-zone and 4-zone air conditioning) | Temperature impairment in entire front area |
| 0797 | Sun sensor (2-zone and 4-zone air conditioning) | No or inaccurate air-conditioning system regulator function |
| 0818 | Evaporator temperature sensor (manual air conditioning) | Temperature impairment in entire vehicle |
| 0819 | Air-conditioning pressure sensor (manual, 2-zone and 4-zone air conditioning) | Coolant circuit impaired Incorrect compressor activation Cannot set temperature |
| 0898 | Air-conditioning compressor activation (manual, 2-zone and 4-zone air conditioning) | No or limited cooling power/air drying |
| 1020 | Water pump activation (manual, 2-zone and 4-zone air conditioning) | No residual heat function possible |
| 1087 | No basic setting (manual, 2-zone and 4-zone air conditioning) | No or inaccurate air-conditioning function |
| 1189 | Servo motor for air distribution (manual and 2-zone air conditioning) | Air flow from central and side vents impaired |
| 1207 | Additional heating control unit (2-zone and 4-zone air conditioning) | Additional heating control unit switches to limp-home mode |
| 1230 | Blower outlet sensor, front left footwell (2-zone and 4-zone air conditioning) | Temperature impairment in left footwell |
| 1231 | Blower outlet sensor, front right footwell (2-zone and 4-zone air conditioning) | Temperature impairment in right footwell |
| 1271 | Servo motor for temperature valve (manual air conditioning) | Temperature impairment |
| 1299 | Gateway (instrument cluster) (manual, 2-zone and 4-zone air conditioning) | Air-conditioning system regulator switches to limp-home mode |
| 1330 | Rear convenience system control unit (manual, 2-zone and 4-zone air conditioning) | Air-conditioning system regulator switches to limp-home mode |
| 1336 | CAN comfort OFF (manual, 2-zone and 4-zone air conditioning) | Air-conditioning system regulator switches to limp-home mode |
| 1592 | Air quality sensor (2-zone and 4-zone air conditioning) | No or limited adjustment of fresh-air/recirculation valve |
| 1596 | Servo motor for fresh air/recirculation valve (manual, 2-zone and 4-zone air conditioning) | Adjustment conditionally possible or not possible |
| 1809 | Servo motor for left temperature valve (manual, 2-zone and 4-zone air conditioning) | No or limited temperature adjustment, left |
| 1810 | Servo motor for right temperature valve (4-zone air conditioning) | No or limited temperature adjustment, right |
| 1863 | Passenger blower, rear left tunnel (4-zone air conditioning) | Air flow from rear left passenger blower impaired |
| 1864 | Passenger blower, rear right tunnel (4-zone air conditioning) | Air flow from rear right passenger blower impaired |
| 1867 | Servo motor for rear left temperature valve (4-zone air conditioning) | No or limited temperature adjustment, rear left |
| 1868 | Servo motor for rear right temperature valve (4-zone air conditioning) | No or limited temperature adjustment, rear right |
| 2100 | Servo motor for footwell flap (2-zone air conditioning) | Air flow to front footwell impaired |
| 2101 | Servo motor for side vents (2-zone air conditioning) | Air flow from front side vents impaired |
| 2193 | Power supply for front blower regulator (manual, 2-zone and 4-zone air conditioning) | No blower function |
| 2194 | Power supply for rear blower regulator (4-zone air conditioning) | No blower function |
| 2243 | Auxiliary heater control unit (2-zone and 4-zone air conditioning) | Additional heating control unit switches to limp-home mode |
| 2379 | Servo motor for left side vents (4-zone air conditioning) | Air flow from left side vents impaired |
| 2380 | Servo motor for right side vents (4-zone air conditioning) | Air flow from right side vents impaired |
| 2507 | Coolant pump activation (manual, 2-zone and 4-zone air conditioning) | No residual heat function possible |
| 2597 | Passenger blower, rear left tunnel (4-zone air conditioning) | Air flow from rear left passenger blower impaired |
| 2598 | Passenger blower, rear right tunnel (4-zone air conditioning) | Air flow from rear right passenger blower impaired |
| 2599 | Servo motor for rear left temperature valve (4-zone air conditioning) | No or limited temperature adjustment, rear left |
| 2600 | Servo motor for rear right temperature valve (4-zone air conditioning) | No or limited temperature adjustment, rear right |
| 15500 | Temperature sensor rear left seat heating (4-zone air conditioning) | No activation of seat heating |
| 15501 | Temperature sensor rear right seat heating (4-zone air conditioning) | No activation of seat heating |
FAULT CODE CHART