Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJ0A
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 -           ]
Title: STEERING COLUMN: STEERING LOCK SYSTEM: DIAGNOSTIC TROUBLE CODE CHART; 2016 - 2020 MY Sienna [12/2015 -        ]

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

Steering Lock System

DTC Code

Detection Item

Trouble Area

See page

B2781

Open / Short in Steering Lock ECU

- Steering lock actuator assembly (steering lock ECU)

- LIN communication system

- Harness or connector of LIN bus line

2016 - 2020 MY Sienna [12/2015 -        ]; STEERING COLUMN: STEERING LOCK SYSTEM: B2781; Open / Short in Steering Lock ECU

B2782

Power Source Control ECU Malfunction

- Steering lock actuator assembly (steering lock ECU)

- Power management control ECU

- Harness or connector

2016 - 2020 MY Sienna [12/2015 -        ]; STEERING COLUMN: STEERING LOCK SYSTEM: B2782; Power Source Control ECU Malfunction

B2788

IG2 Signal Malfunction

- IG2 fuse

- Steering lock actuator assembly (steering lock ECU)

- Power management control ECU

- Harness or connector

2016 - 2020 MY Sienna [12/2015 -        ]; STEERING COLUMN: STEERING LOCK SYSTEM: B2788; IG2 Signal Malfunction