DFFS fault codes
7,984 codes · 47 vehicle records · 0 ECU records · 0 live-data parameters
Codes 7,984
| Code | Description | Brands | System |
|---|---|---|---|
| U121D | Lost communication with Passive Entry Passive Start | 8 | Network |
| U1220 | Loss of serial communications for class 2 devices | 10 | Network |
| U1221 | Loss of serial communications for class 2 devices | 14 | Network |
| U1222 | Loss of serial communications for class 2 devices | 15 | Network |
| U1223 | Loss of serial communications for class 2 devices | 9 | Network |
| U1224 | FlexRay communication fault | 9 | Network |
| U1225 | Yaw rate sensor signal fault | 11 | Network |
| U1226 | Loss of serial communications for class 2 devices | 8 | Network |
| U1227 | Loss of serial communications for class 2 devices | 7 | Network |
| U1228 | Loss of serial communications for class 2 devices | 7 | Network |
| U1262 | J1850 SCP Comm Bus Fault - Instr Clstr | 13 | Network |
| U1270 | ESC 0xA3 frame timeout | 3 | Network |
| U1271 | ESC 0xA0 frame timeout | 2 | Network |
| U1272 | ESC 0xA6 frame timeout | 2 | Network |
| U1273 | ESC 0x121 frame timeout | 2 | Network |
| U12A2 | Electronic shift module (ESM) signal is invalid - the ACPK signal sent by message ESM_4FE is invalid | 1 | Network |
| U12D4 | Communication failure with powertrain monitor | 1 | Network |
| U12D5 | Lost communication with the electric vehicle management electronic control unit | 1 | Network |
| U12D6 | Traction control (anti-slip regulation) failure | 7 | Network |
| U12D9 | Communication error with network voltage maintenance device ECU | 7 | Network |
| U1301 | Class 2 data link high | 22 | Network |
| U1305 | No communication with the steering angle sensor (SAS) | 22 | Network |
| U1306 | Data Length Error | 15 | Network |
| U1307 | Lost communication with trailer interface control module | 19 | Network |
| U1308 | No communication with engine control unit | 20 | Network |
| U1309 | No communication with A/T ECU | 21 | Network |
| U1310 | Automatic transmission electrical control failure | 21 | Network |
| U1311 | Data Length Error | 20 | Network |
| U1312 | Data Length Error | 19 | Network |
| U1313 | Communication failure with ABS or ABS/ESP | 23 | Network |
| U1314 | Data Length Error | 19 | Network |
| U1315 | Data Length Error | 13 | Network |
| U1316 | Data Length Error | 12 | Network |
| U1317 | Data length error (ID: 2F1) | 15 | Network |
| U1318 | Communication failure with Built-in System Interface (BSI) | 19 | Network |
| U1319 | Automatic release electronic parking brake fault | 18 | Network |
| U131D | Anti-Slip Regulation (ASR+) selector signal failure | 9 | Network |
| U131F | Engine electronic control unit | 8 | Network |
| U1321 | Communication failure with electric steering ECU | 21 | Network |
| U1324 | Lost communication with the pneumatic suspension ECU | 19 | Network |
| U1325 | Yaw rate sensor (YRS) signal | 19 | Network |
| U1353 | Vehicle CAN message 0x32D check code error | 9 | Network |
| U1355 | Battery Management System (BMS) charging command timeout | 2 | Network |
| U1362 | Vehicle distance alarm ECU is causing operation failure | 9 | Network |
| U1370 | PSA1 CAN (11, 12) network no response | 7 | Network |
| U1371 | ADAS CAN 0x416 Message sending failed | 7 | Network |
| U1380 | HS2 CAN network no response | 9 | Network |
| U1381 | ADAS CAN network no response | 4 | Network |
| U13A2 | Electronic shift module (ESM) (HS1) bus failure - message ESM_4FE failed to send ESM_frame signal | 7 | Network |
| U13D4 | Communication failure with powertrain monitor | 7 | Network |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.