DTC B1084[2F] Electric Steering Lock Signal Mismatch (Wireless Access Module (Hi-version [Passive Entry and Start System]))

1. DTC B1084[2F] description

The wireless access module performs the steering lock inhibition control when certain conditions are met in order to prevent the danger due to the steering lock activation while the vehicle is running or when the engine is suddenly stopped. An ECU is built into the steering lock assembly. The steering lock ECU and wireless access module communicate the control information and diagnosis information via LIN communication. If the wireless access module detects that the signal from the steering lock inhibition circuit and the signal from the steering lock ECU do not match, the DTC is set.

Note

Although this DTC is set, the engine can be started using emergency starting.

2. Condition for setting DTC B1084[2F]

The wireless access module detects that the signal from the steering lock inhibition circuit and the signal from the steering lock ECU do not match for 5 seconds.

3. Action taken when DTC B1084[2F] sets

When the engine start/stop button is pressed:

The key monitor warning light illuminates for 10 seconds.
STEERING LOCK SYSTEM ERROR will be displayed on the multi-information display for 10 seconds.
The buzzer built into the instrument panel cluster will sound 3 times.

When the power mode is ON:

The key monitor warning light illuminates.