Can Communication-Related DTC (U-Code) Table
WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC ITEM REFERENCE
| Code No. | Diagnostic item | Output ECU | Action |
|---|---|---|---|
| U0001 | Bus Off (CAN-C) | ECM, S-AWC-ECU, TC-SST-ECU, Shift lever, ASC-ECU, ETACS-ECU | CAN main bus line diagnostics |
| U0019 | Bus Off (CAN-B) | KOS-ECU or WCM, SRS-ECU, Combination meter, Radio and CD player or CD changer, CAN box unit, Hands-free module, Satellite radio tuner, ETACS-ECU, A/C-ECU | |
| U0020 | CAN-B Bus off performance | Occupant classification-ECU | |
| U0021 | CAN-B Bus (HI) circuit open | ||
| U0022 | CAN-B Bus (HI) shorted to circuit ground | ||
| U0023 | CAN-B Bus (HI) shorted to circuit power supply | ||
| U0024 | CAN-B Bus (LO) circuit open | ||
| U0025 | CAN-B Bus (LO) shorted to circuit ground | ||
| U0026 | CAN-B Bus (LO) shorted to circuit power supply | ||
| U0100 | Engine time-out | S-AWC-ECU, TC-SST-ECU, Shift lever, ASC-ECU, Combination meter, ETACS-ECU | |
| U0101 | TC-SST time-out | ECM, S-AWC-ECU, Shift lever, ASC-ECU, ETACS-ECU | |
| U0103 | Shift lever time-out | TC-SST-ECU, ETACS-ECU | |
| U0121 | ASC-ECU time-out | ECM, S-AWC-ECU, TC-SST-ECU, Shift lever, ETACS-ECU | |
| U0125 | G and yaw rate sensor message time-out error/message error | ASC-ECU | |
| U0126 | Steering wheel sensor time-out | S-AWC-ECU, ASC-ECU, ETACS-ECU | |
| U0136 | S-AWC-ECU time-out | TC-SST-ECU, ASC-ECU, ETACS-ECU | |
| U0141 | ETACS-ECU time-out | ECM, S-AWC-ECU, TC-SST-ECU, Shift lever, ASC-ECU, KOS-ECU or WCM, SRS-ECU, Occupant classification-ECU, Combination meter, Radio and CD player or CD changer, CAN box unit, Hands-free module, Satellite radio tuner, A/C-ECU | |
| U0151 | SRS time-out | KOS-ECU or WCM, Occupant classification-ECU, Combination meter, Radio and CD player or CD changer, CAN box unit, Hands-free module, Satellite radio tuner, ETACS-ECU, A/C-ECU | |
| U0154 | Occupant Classification-ECU time-out | KOS-ECU or WCM, SRS-ECU, Combination meter, Radio and CD player or CD changer, CAN box unit, Hands-free module, Satellite radio tuner, ETACS-ECU, A/C-ECU | |
| U0155 | Meter time-out | KOS-ECU or WCM, SRS-ECU, Occupant classification-ECU, Radio and CD player or CD changer, CAN box unit, Hands-free module, Satellite radio tuner, ETACS-ECU, A/C-ECU | |
| U0164 | A/C time-out | KOS-ECU or WCM, SRS-ECU, Occupant classification-ECU, Combination meter, Radio and CD player or CD changer, CAN box unit, Hands-free module, Satellite radio tuner, ETACS-ECU | |
| U0167 | CAN immobilizer (communication) | ECM | |
| U0168 | WCM/KOS time-out | SRS-ECU, Occupant classification-ECU, Combination meter, Radio and CD player or CD changer, CAN box unit, Hands-free nodule, Satellite radio tuner, ETACS-ECU, A/C-ECU | |
| U0184 | Audio unit time-out | KOS-ECU or WCM, SRS-ECU, Occupant classification-ECU, Combination meter, Hands-free module, Satellite radio tuner, ETACS-ECU, A/C-ECU | |
| U0195 | Satellite radio tuner time-out | KOS-ECU or WCM, SRS-ECU, Occupant classification-ECU, Radio and CD player or CD changer, CAN box unit, Hands-free module, ETACS-ECU, A/C-ECU | |
| U0245 | Audio visual navigation unit time-out | KOS-ECU or WCM, Occupant classification-ECU, Combination meter, Hands-free module, ETACS-ECU, A/C-ECU | |
| U0401 | Engine malfunction detected | S-AWC-ECU, ASC-ECU | Diagnose CAN main bus lines and confirm input signals. |
| U0428 | Communication error in steering wheel sensor | ||
| U0431 | ETACS malfunction detected | S-AWC-ECU | |
| U1003 | G and yaw rate sensor bus-off | S-AWC-ECU, ASC-ECU | |
| U1108 | Excess CAN-B ECU detection | ETACS-ECU | |
| U1120 | Bus line (CAN-C) low input | ||
| U1121 | Bus line (CAN-C) high input | ||
| U1180 | Combination meter time-out | ECM | CAN main bus line diagnostics |
| U1412 | Implausible vehicle speed signal received | KOS-ECU or WCM | Diagnose CAN main bus lines and confirm input signals. |
| U1414 | Defective coding data | SRS-ECU | |
| U1415 | Coding not completed/Data fail | S-AWC-ECU, ASC-ECU, KOS-ECU or WCM, SRS-ECU, Combination meter, Radio and CD player or CD changer, CAN box unit, A/C-ECU | |
| U1417 | Implausible coding data | S-AWC-ECU, ASC-ECU, KOS-ECU or WCM, CAN box unit |