1. DTC U1855[86] description
The EHCU and instrument panel cluster communicate the control information and diagnosis information via the CAN communication circuit. If the EHCU detects a malfunction in the CAN communication circuit, this DTC is set.
2. Condition for setting DTC U1855[86]
- The EHCU detects an abnormal CAN message received from the instrument panel cluster.
3. Action taken when DTC U1855[86] sets
- HSA control inhibition (Models with ESC)
- Hill Descent Control inhibition (Models with ESC)
- External braking request brake retention control inhibition (Models equipped with stereo cameras)