Mercedes-Benz fault codes
20,291 codes · 1,724 vehicle records · 258 ECU records · 56,350 live-data parameters
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Codes 20,291
| Code | Description | Brands | System |
|---|---|---|---|
| B143A09 | No description available | 2 | Body |
| B143A11 | Mic1 shortcut to GND | 2 | Body |
| B143A12 | Mic1 shortcut to UBatt | 2 | Body |
| B143A13 | Mic1 open load | 1 | Body |
| B143A2B | Microphone 1 has a malfunction. The electrical lines have a short circuit to each other. | 1 | Body |
| B143D01 | Das Mikrofon 2 hat Funktionsstörung. (Es liegt ein allgemeiner elektrischer Fehler vor.) | 1 | Body |
| B143D11 | Mic2 shortcut to GND | 1 | Body |
| B1440 | power mode master input circuits mismatch | 26 | Body |
| B1441 | Invalid status (tire pressure sensor No.1) | 26 | Body |
| B1442 | Device Ignition OFF,RUN,And CRANK Circuit Low | 21 | Body |
| B1443 | Device Ignition OFF,RUN,And CRANK Circuit High | 26 | Body |
| B1444 | Left Latch | 23 | Body |
| B1445 | Devuce voltage output 1 circuit | 24 | Body |
| B14452A | No description available | 2 | Body |
| B1446 | Replace backup power source | 23 | Body |
| B1447 | Backup power source | 19 | Body |
| B1448 | Control Module Power Supply Output Circuit - Passenger Seat Comfort Module | 21 | Body |
| B144913 | TGAnt not connected | 1 | Body |
| B144A15 | Radio frequency transmitter 1 'Ultra wideband' has a malfunction. There is a short circuit to positive or an open circuit. | 1 | Body |
| B144A4A | Radio frequency transmitter 1 'Ultra wideband' has a malfunction. The wrong component is installed. | 1 | Body |
| B144B05 | Radio frequency transmitter 2 'Ultra wideband' has a malfunction. There is a programming fault. | 1 | Body |
| B144B15 | Radio frequency transmitter 2 'Ultra wideband' has a malfunction. There is a short circuit to positive or an open circuit. | 1 | Body |
| B144B4A | Radio frequency transmitter 2 'Ultra wideband' has a malfunction. The wrong component is installed. | 1 | Body |
| B144C05 | Radio frequency transmitter 3 'Ultra wideband' has a malfunction. There is a programming fault. | 1 | Body |
| B144C15 | Radio frequency transmitter 3 'Ultra wideband' has a malfunction. There is a short circuit to positive or an open circuit. | 1 | Body |
| B144C4A | Radio frequency transmitter 3 'Ultra wideband' has a malfunction. The wrong component is installed. | 1 | Body |
| B144D05 | Radio frequency transmitter 4 'Ultra wideband' has a malfunction. There is a programming fault. | 1 | Body |
| B144D15 | Radio frequency transmitter 4 'Ultra wideband' has a malfunction. There is a short circuit to positive or an open circuit. | 1 | Body |
| B144D4A | Radio frequency transmitter 4 'Ultra wideband' has a malfunction. The wrong component is installed. | 1 | Body |
| B144E05 | Radio frequency transmitter 5 'Ultra wideband' has a malfunction. There is a programming fault. | 1 | Body |
| B144E15 | Radio frequency transmitter 5 'Ultra wideband' has a malfunction. There is a short circuit to positive or an open circuit. | 1 | Body |
| B144E4A | Radio frequency transmitter 5 'Ultra wideband' has a malfunction. The wrong component is installed. | 1 | Body |
| B144F05 | Radio frequency transmitter 6 'Ultra wideband' has a malfunction. There is a programming fault. | 1 | Body |
| B144F15 | Radio frequency transmitter 6 'Ultra wideband' has a malfunction. There is a short circuit to positive or an open circuit. | 1 | Body |
| B144F4A | Radio frequency transmitter 6 'Ultra wideband' has a malfunction. The wrong component is installed. | 1 | Body |
| B1450 | FL curtain ABG squib short | 22 | Body |
| B1451 | LR side deployment loop short to ground | 24 | Body |
| B145111 | The data lines to the radio frequency transmitters 'Ultra wideband' have a malfunction. There is a short circuit to ground. | 1 | Body |
| B145112 | The data lines to the radio frequency transmitters 'Ultra wideband' have a malfunction. There is a short circuit to positive. | 1 | Body |
| B1452 | LR side deployment loop short to battery | 22 | Body |
| B145205 | Radio frequency transmitter 7 'Ultra wideband' has a malfunction. There is a programming fault. | 1 | Body |
| B145215 | Radio frequency transmitter 7 'Ultra wideband' has a malfunction. There is a short circuit to positive or an open circuit. | 1 | Body |
| B14524A | Radio frequency transmitter 7 'Ultra wideband' has a malfunction. The wrong component is installed. | 1 | Body |
| B1453 | FL curtain ABG squib SHT. to BAT | 21 | Body |
| B145305 | Radio frequency transmitter 8 'Ultra wideband' has a malfunction. There is a programming fault. | 1 | Body |
| B145315 | Radio frequency transmitter 8 'Ultra wideband' has a malfunction. There is a short circuit to positive or an open circuit. | 1 | Body |
| B14534A | Radio frequency transmitter 8 'Ultra wideband' has a malfunction. The wrong component is installed. | 1 | Body |
| B1454 | PAM DTC -96 logged | 22 | Body |
| B145402 | The data line between the head unit and the driver display has a malfunction. There is a general signal fault. | 1 | Body |
| B145411 | DISP_D-HSVL Tx+ shortcut GND | 1 | Body |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.