1. DTC B1084[81] description
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. The wireless access module monitors the steering lock operational status by expecting a constant message flow from the steering lock ECU. If the wireless access module fails to receive messages from the steering lock ECU, the DTC is set.
2. Condition for setting DTC B1084[81]
- The wireless access module detects that messages from the steering lock ECU are not received for 4 seconds.
3. Action taken when DTC B1084[81] sets
- Engine startup is inhibited.
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.