How to find out if your air conditioner has a DTC?

How to find out if your air conditioner has a DTC?

See DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION tables. 4) If no permanent malfunctions are stored, the display window shows “En d”. Press AUTO push button again. Intermittent DTCs will be displayed. Intermittent malfunctions are recognizable by the degree (°) symbol displayed along with the DTC (example: “04 °”).

What is the DCT code for an air conditioner?

DCT error codes list: B1226 – In-car temperature sensor (B10/4) B1227 – Outside temperature indicator temperature sensor (B14) B1228 – Heater core temperature (B10/1) B1229 – Heater core temperature (B10/1) B1230 – Evaporator temperature sensor (B10/6) B1231 – ECT sensor (B11/4)

How to know if your air conditioner has a trouble code?

2) Within 20 seconds, simultaneously press REST and defrost push buttons for more than 2 seconds. The Light Emitting Diode (LED) in the recirculated air push button will blink and the display window will show “di R”.3) Press AUTO push button repeatedly, recording each DTC,until all DTCs are displayed.

How to remove DTCs from Mercedes A / C air conditioner?

1) After display window shows “En° d”, press AUTO push button once again. Display window should show “dE L” (delete). 2) To erase DTCs, simultaneously press down and up arrow push buttons for more than 5 seconds. The display window should show “- –“. If not erasing DTCs, press the AUTO push button. The permanent DTCs will again be displayed.

How to check for DTCs in a / C heater?

Faults detected will display when checking for DTCs in the A/C-heater control. 1. Turn the ignition to the On position. 2. Turn the blower motor control (1) to the Off position. 3. Press and hold the EBL [rear window defogger] mode switch (2) down and then turn the blower motor control on.

2) Within 20 seconds, simultaneously press REST and defrost push buttons for more than 2 seconds. The Light Emitting Diode (LED) in the recirculated air push button will blink and the display window will show “di R”.3) Press AUTO push button repeatedly, recording each DTC,until all DTCs are displayed.

How to turn off an air conditioner in DTC?

Proceed to EXITING DTC DISPLAY MODE. Simultaneously press down and up arrow push buttons until the pre-selected temperature setting of “72 °F” is displayed. Turn ignition off. 1) Turn ignition on. Simultaneously press down and up arrow push buttons until the pre-selected temperature setting of “72 °F” is displayed.

DCT error codes list: B1226 – In-car temperature sensor (B10/4) B1227 – Outside temperature indicator temperature sensor (B14) B1228 – Heater core temperature (B10/1) B1229 – Heater core temperature (B10/1) B1230 – Evaporator temperature sensor (B10/6) B1231 – ECT sensor (B11/4)