1. DTC C1500[1F] description
The EHCU monitors the internal solenoid relay and the solenoid valve drive circuit. When the EHCU detects a malfunction in the solenoid relay and the circuit, this DTC is set.
2. Condition for setting DTC C1500[1F]
Condition for running the DTC
- The ignition switch is ON.
Condition for setting the DTC
- The EHCU detects a voltage decrease in the solenoid valve drive circuit.
3. Action taken when DTC C1500[1F] sets
- ABS warning light illumination
- Brake system warning light illumination
- ESC warning light illumination (Models equipped with ESC)
- ABS control inhibition
- TCS control inhibition (Models equipped with ESC)
- EBD control inhibition
- 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)
- Brake Assist control inhibition (Models with ESC)
- ESS control inhibition (Models with ESC)
- Trailer sway control inhibition (Models equipped with ESC)
- External braking request brake retention control inhibition (Models equipped with stereo cameras)
- External braking request brake pressurization control inhibition (Models equipped with stereo cameras)