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 | X | X | |||
| 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 | X | X | |||
| 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 | X | X | |||
| U212E:00 | |||||
| U2131:00 | X | X | |||
| U2132:00 | |||||
| U2133:00 | |||||
| U2139:00 | X | X | |||
| 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 | X | X | |||
| U2133:00 | |||||
| U213A:00 | |||||
| U213B:00 | |||||
| Connectivity master unit (CMU) | U0140:00 | X | |||
| Telematics communication unit | U0140:00 | X | |||
| 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 | ||||
| U0121:00 | |||||
| U0151:00 | |||||
| U212B:00 | X | ||||
| U212E:00 | |||||
| U2131:00 | X | X | |||
| 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 | ||||
| ESU | X | X | |||
| Rear side radar sensor (RH) | X | X | |||
| Parking assist unit (ultrasonic) | X | X | |||
| Diagnostic result | |||||
| Possible cause and inspection item | A | B | C | D | |