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]
Condition for running the DTC
- Models with keyless entry system
Condition for setting the DTC
- The wireless access module detects that messages from the BCM are not received.
3. Action taken when DTC U0140[00] sets
When the ignition switch is ON:
- The key monitor warning light illuminates.
- CHECK SYSTEM is displayed on the multi-information display for 10 seconds (models with MID only).
When door locking/unlocking is requested:
- The key monitor warning light illuminates for 10 seconds.
- CHECK SYSTEM is displayed on the multi-information display for 10 seconds (models with MID only).