1. DTC U1801[86] description
The EHCU and TCM 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 U1801[86]
Condition for running the DTC
- The transmission type is automatic transmission.
Condition for setting the DTC
- The EHCU detects an abnormal CAN message received from the TCM.
3. Action taken when DTC U1801[86] sets
- ESC warning light illumination (Models equipped with ESC)
- TCS control inhibition (Models equipped with ESC)
- ESC control inhibition (Models equipped with ESC)
- HSA control inhibition (Models with ESC)
- ISS control inhibition (Models with ESC)
- Hill Descent Control inhibition (Models with ESC)