Relay Control System DTCS
RELAY CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description | DTC type |
|---|---|---|
| B1052 | Relay control module internal (EEPROM) error | Internal error |
| B1075 | Headlight switch malfunction | Signal error |
| B1076 | Windshield wiper signal error | Signal error |
| B1077 | Wiper switch (As) malfunction | Signal error |
| B1079 - Refer to: DTC Troubleshooting: B1079 (2017 2018 2019 2020), or DTC Troubleshooting: B1079 (2014 2015 2016) | Daytime running light malfunction | Signal error |
| B1080 | Power supply circuit (IG1 line) input error for relay control module and MICU | Signal error |
| B1081 | Left side LED headlight malfunction | Signal error |
| B1082 - Refer to: DTC Troubleshooting: B1082 (2017 2018 2019 2020), or DTC Troubleshooting: B1082 (2014 2015 2016) | Left side LED headlight circuit malfunction | Signal error |
| B1083 | Right side LED headlight malfunction | Signal error |
| B1084 - Refer to: DTC Troubleshooting: B1084 (2017 2018 2019 2020), or DTC Troubleshooting: B1084 (2014 2015 2016) | Right side LED headlight circuit malfunction | Signal error |
| U1280 | Relay control module communication bus line error (BUS-OFF) | Loss of communication |
| U1281 - Refer to: DTC Troubleshooting: U1281 (2017 2018 2019 2020), or DTC Troubleshooting: U1281 (Relay Control Module) (2014 2015 2016) | Relay control module lost communication with MICU (MICU frame) | Loss of communication |
| U128D - Refer to: DTC Troubleshooting: U128D (Relay Control Module (With Auto Idle Stop System)) (2016), or DTC Troubleshooting: U128D (2017 2018 2019 2020), or DTC Troubleshooting: U128D (Relay Control Module (Without Auto Idle Stop System)) (2014 2015 2016) | Relay control module lost communication with gauge control module (VSP/NE frame) | Loss of communication |