1. DTC C052B[1F] description
The EHCU monitors the system voltage. If the EHCU detects an abnormal system voltage, this DTC is set. A deteriorated battery may cause this DTC to be set.
2. Condition for setting DTC C052B[1F]
Condition for running the DTC
- The ignition switch is ON.
- The vehicle speed reaches 15 km/h {9.3 mph} or more (only once).
Condition for setting the DTC
- The EHCU detects a monitor voltage decrease in the solenoid relay.
3. Action taken when DTC C052B[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)