Multiplex Integrated Control Unit - Rear MICU DTCS

MULTIPLEX INTEGRATED CONTROL UNIT DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION

DTC	Description	DTC type
B1028 - Refer to: DTC Troubleshooting: B1028 (2014 2015 2016) or DTC Troubleshooting: B1028 (2017 2018 2019 2020)	Rear wiper auto stop switch malfunction	Signal error
B1952	EEPROM abnormal	Internal error
U1280	Rear MICU communication bus line error (BUS-OFF)	Loss of communication
U1281 - Refer to: DTC Troubleshooting: U1281 (2017 2018 2019 2020), or DTC Troubleshooting: U1281 (MICU, Rear) (2014 2015 2016)	Rear MICU lost communication with MICU (MICU frame)	Loss of communication
U128D - Refer to: DTC Troubleshooting: U128D (MICU, Rear (Without Auto Idle Stop System)) (2014 2015 2016) or DTC Troubleshooting: U128D (MICU, Rear (With Auto Idle Stop System)) (2016), or DTC Troubleshooting: U128D (2017 2018 2019 2020)	Rear MICU lost communication with gauge control module (AT frame)	Loss of communication
U1291 - Refer to: DTC Troubleshooting: U1291 (2017 2018 2019 2020), or DTC Troubleshooting: U1291 (MICU, Rear) (2016), or DTC Troubleshooting: U1291 (MICU, Rear) (2014)	Rear MICU lost communication with relay control module (RM frame)	Loss of communication