DTC Output Pattern And Malfunctioning Location
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
Cross (X): Communication error-related DTC
DTC OUTPUT PATTERN AND MALFUNCTIONING
| M-MDS display | DTC | DTC output pattern and malfunctioning location |
|---|---|---|
| DTC output module | ||
| PCM | U0101:00 | |
| U0121:00 | ||
| U0131:00 | ||
| U0140:00 | X | |
| U0151:00 | ||
| U0155:00 | ||
| U0164:00 | ||
| U2121:00 | ||
| U212E:00 | ||
| U2131:00 | ||
| U2133:00 | ||
| DSC HU/CM | U0100:00 | |
| U0101:00 | ||
| U0131:00 | ||
| U0140:00 | X | |
| U0151:00 | ||
| U0155:00 | ||
| U0164:00 | ||
| U2121:00 | ||
| U212E:00 | ||
| U2131:00 | ||
| EPS control module | U0100:00 | |
| U0121:00 | ||
| U0140:00 | X | |
| U2121:00 | ||
| Vehicle control module (VCM) | U0100:00 | |
| U0101:00 | ||
| U0121:00 | ||
| U0126:00 | ||
| U0131:00 | ||
| U0140:00 | X | |
| U0151:00 | ||
| U0155:00 | ||
| U0156:00 | ||
| U0164:00 | ||
| U2120:00 | ||
| U2122:00 | ||
| U2123:00 | ||
| U2125:00 | ||
| U2126:00 | ||
| U212E:00 | ||
| U2131:00 | ||
| U2132:00 | ||
| U2133:00 | ||
| U2139:00 | ||
| U213A:00 | ||
| Body control module (BCM) | U0100:00 | |
| U0101:00 | ||
| U0115:00 | ||
| U0121:00 | ||
| U0121:87 | ||
| U0126:00 | ||
| U0131:00 | ||
| U0151:00 | ||
| U0155:00 | ||
| U0156:00 | ||
| U0158:00 | ||
| U0164:00 | ||
| U0182:00 | ||
| U0198:00 | ||
| U0230:00 | ||
| U2121:49 | ||
| U212A:00 | ||
| U212C:00 | ||
| U212D:00 | ||
| U212E:00 | ||
| U2131:00 | ||
| U2133:00 | ||
| U213A:00 | ||
| U213B:00 | ||
| Connectivity master unit (CMU) | U0140:00 | X |
| Telematics communication unit | U0140:00 | |
| U0151:00 | ||
| U0164:00 | ||
| U213C:00 | ||
| Adaptive front lighting system (AFS) control module | U0122:87 | |
| U0126:87 | ||
| U212A:87 | ||
| U212B:87 | X | |
| U212D:87 | ||
| Dash-electrical supply unit | U0100:00 | |
| U0101:00 | ||
| U0121:00 | ||
| U0151:00 | ||
| U212B:00 | X | |
| U212E:00 | ||
| U2131:00 | ||
| U2133:00 | ||
| U213A:00 | ||
| SAS control module | U0140:00 | X |
| U0155:00 | ||
| U0156:00 | ||
| TCM [ET6A-EL, ET6AX-EL, EV6A-EL, EV6AX-EL] | U0100:00 | |
| U0121:00 | ||
| U0131:00 | ||
| U0140:00 | X | |
| U0155:00 | ||
| U212C:00 | ||
| TCM [GW6AX-EL] | U0100:00 | |
| U0121:00 | ||
| U0131:00 | ||
| U0155:00 | ||
| U0214:00 | ||
| M-MDS display module | Module displayed in red or blue | |
| Telematics communication unit | X | |
| Diagnostic result | ||
| Possible cause and inspection item | A | |