C1AB4 on the 2013 Toyota Avalon
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| T-SB-0039-13 | 2018-04-23. Service bulletin. Some 2013 model year Avalon and Avalon HV vehicles may display a ?Check Blind Spot Monitor System? message on the multi-information display with Diagnostic Trouble Code (DTC) C1AB4 and/or C1AB5 stored. The procedure in this bulletin has been developed to address this condition. |
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| T-SB-0039-13 Rev | 2018-04-02. Service bulletin. Some 2013 model year Avalon and Avalon HV vehicles may display a ?Check Blind Spot Monitor System? message on the multi-information display with Diagnostic Trouble Code (DTC) C1AB4 and/or C1AB5 stored. The procedure in this bulletin has been developed to address this condition. |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.