CAN Communication
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.
x: Applicable-: Not applicable
DTC DESCRIPTION (BCM) (US)
| DTC | System malfunction location | Warning/indicator light | Push button start indicator light (amber) | Fail - safe | Drive cycle | Self test type(1) | Memory function | Refer to | ||
|---|---|---|---|---|---|---|---|---|---|---|
| U0073:88 | Module communication error (CAN BUS No. 2) | - | - | - | - | C | x | (See DTC U0073:88 (BCM) .) | ||
| U0075:88 | Module communication error (CAN BUS No. 1) | - | - | - | - | C | x | (See DTC U0075:88 (BCM) .) | ||
| U0076:88 | Module communication error (CAN BUS No. 3) | - | - | - | - | C | x | (See DTC U0076:88 (BCM) .) | ||
| U0079:88 | Module communication error (CAN BUS No. 7) | - | - | - | - | C | x | (See DTC U0079:88 (BCM) .) | ||
| U007A:88 | Module communication error (CAN BUS No. 8) | - | - | - | - | C | x | (See DTC U007A:88 (BCM) .) | ||
| U007D:88 | Module communication error (between body control module (BCM) and DLC-2) | - | - | - | - | C | x | (See DTC U007D:88 (BCM) .) | ||
| U0100:00 | Communication error with PCM | On | Flash | x | - | C | x | (See DTC U0100:00 (BCM) (US) .) | ||
| U0101:00 | Communication error with TCM | On | Flash | x | - | C | x | (See DTC U0101:00 (BCM) (US) .) | ||
| U0115:00 | Communication error with PCM | - | - | - | - | C | x | (See DTC U0115:00 (BCM) .) | ||
| U0121:00 | Communication error with DSC HU/CM | On | Flash | - | - | C | x | (See DTC U0121:00 (BCM) (US) .) | ||
| U0121:87 | Communication error with DSC HU/CM | On | Flash | - | - | C | x | (See DTC U0121:87 (BCM) (US) .) | ||
| U0126:00 | Communication error with steering angle sensor | - | - | - | - | C | x | (See DTC U0126:00 (BCM) .) | ||
| U0131:00 | Communication error with Electric Power Steering (EPS) control module | On | - | x | - | C | x | (See DTC U0131:00 (BCM) .) | ||
| U0151:00 | Communication error with Sophisticated Airbag Sensor (SAS) control module | On | - | x | - | C | x | (See DTC U0151:00 (BCM) .) | ||
| U0155:00 | Communication error with instrument cluster | On | - | x | - | C | x | (See DTC U0155:00 (BCM) .) | ||
| U0156:00 | Communication error with connectivity master unit (CMU) | On | - | - | - | C | x | (See DTC U0156:00 (BCM) (US) .) | ||
| U0158:00 | Communication error with Active Driving Display (ADD) | On | - | - | - | C | x | (See DTC U0158:00 (BCM) .) | ||
| U0164:00 | Communication error with dash-electrical supply unit | On | - | - | - | C | x | (See DTC U0164:00 (BCM) .) | ||
| U0182:00 | Communication error with adaptive front lighting system (AFS) control module | On | - | - | - | C | x | (See DTC U0182:00 (BCM) (US) .) | ||
| U0230:00 | Communication error with power liftgate (PLG) control module | - | - | x | - | C | x | (See DTC U0230:00 (BCM) .) | ||
| U0301:82 | Error signal received from PCM | - | - | - | - | C | x | (See DTC U0301:82 (BCM) .) | ||
| U0316:82 | Error signal received from DSC HU/CM | - | - | - | - | C | x | (See DTC U0316:82 (BCM) (US) .) | ||
| U031A:82 | Error signal received from TCM | - | - | - | - | C | x | (See DTC U031A:82 (BCM) .) | ||
| U0320:82 | Error signal received from Electric Power Steering (EPS) control module | - | - | - | - | C | x | (See DTC U0320:82 (BCM) .) | ||
| U0323:82 | Error signal received from instrument cluster | - | - | - | - | C | x | (See DTC U0323:82 (BCM) .) | ||
| U0328:82 | Error signal received from steering angle sensor | - | - | - | - | C | x | (See DTC U0328:82 (BCM) .) | ||
| U0336:82 | Error signal received from Sophisticated Airbag Sensor (SAS) control module | - | - | - | - | C | x | (See DTC U0336:82 (BCM) .) | ||
| U0339:82 | Error signal received from door-electrical supply unit (driver's side) | - | - | - | - | C | x | (See DTC U0339:82 (BCM) .) | ||
| U2121:49 | Communication error with vehicle control module (VCM) | On | - | - | - | C | x | (See DTC U2121:49 (BCM) .) | ||
| U212A:00 | Communication error with light control module (LH) | On | - | - | - | C | x | (See DTC U212A:00 (BCM) .) | ||
| U212C:00 | Communication error with shift panel (indicator) | On | - | - | - | C | x | (See DTC U212C:00 (BCM) .) | ||
| U212D:00 | Communication error with light control module (RH) | On | - | - | - | C | x | (See DTC U212D:00 (BCM) .) | ||
| U212E:00 | Communication error with door-electrical supply unit (driver's side) | On | - | - | - | C | x | (See DTC U212E:00 (BCM) .) | ||
| U2131:00 | Communication error with electrical supply unit (ESU) | On | - | - | - | C | x | (See DTC U2131:00 (BCM) .) | ||
| U2133:00 | Communication error with climate control unit | - | - | - | - | C | x | (See DTC U2133:00 (BCM) .) | ||
| U213A:00 | Communication error with door-electrical supply unit (passenger's side) | On | - | - | - | C | x | (See DTC U213A:00 (BCM) .) | ||
| U213B:00 | Communication error with LF control unit | On | - | - | - | C | x | (See DTC U213B:00 (BCM) .) | ||
| U213C:00 | Communication error with DSC HU/CM | - | - | - | - | C | x | (See DTC U213C:00 (BCM) (US) .) | ||
| U3000:88 | Body control module (BCM) internal malfunction | - | - | - | - | C | x | (See DTC U3000:88 (BCM) .) | ||
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