Results for “U121”
Fault codes 34
Results match keywords in the stored descriptions. Codes you typed are shown first.
| Code | Description | Brands | System |
|---|---|---|---|
| U121583 | checksum error | 1 | Network |
| U121682 | counter error | 1 | Network |
| U121783 | checksum error | 1 | Network |
| U121882 | counter error | 1 | Network |
| U121982 | Communication with control unit 'COMMUNICATION MODULE' has a malfunction. Counter error. | 1 | Network |
| U121983 | Communication with control unit 'COMMUNICATION MODULE' has a malfunction. CRC error. | 2 | Network |
| U121986 | Communication with control unit 'COMMUNICATION MODULE' has a malfunction. Signal error. | 1 | Network |
| U121987 | Communication with control unit 'COMMUNICATION MODULE' has a malfunction. Missing message. | 1 | Network |
| U121E00 | No description available | 1 | Network |
Advanced: scanner vehicle and live-data matches
Vehicles 1
Vehicle data covers only some brands. These matches come from scanner data, not from a full vehicle index, so treat them as approximate.
| Brand | Model / variant | Details |
|---|---|---|
| Peugeot | MP_COMPTEUR_APPARITION_DEFAUT_U121881 |
Live data 1
| Brand | Parameter | Units | Min | Max |
|---|---|---|---|---|
| Peugeot | MP_COMPTEUR_APPARITION_DEFAUT_U121881 | - | 0 | - |
These tables come from diagnostic data. They are useful for advanced users and can be ignored for a normal code lookup.