1. DTC U0140[00] description
The wireless access module and BCM communicate the control information and diagnosis information via the CAN communication circuit. The wireless access module monitors the communication status by expecting a constant message flow from the BCM. If the wireless access module fails to receive messages from the BCM, the DTC is set.
2. Condition for setting DTC U0140[00]
- The wireless access module detects that messages from the BCM are not received.
3. Action taken when DTC U0140[00] sets
When the engine start/stop button is pressed:
- The key monitor warning light illuminates for 10 seconds.
- CHECK SYSTEM 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 and there is a current failure:
- The key monitor warning light illuminates.
When door locking/unlocking is requested:
- The key monitor warning light illuminates for 10 seconds.
- CHECK SYSTEM will be displayed on the multi-information display for 10 seconds.
- The external buzzer will sound for 3 seconds.