Mando RCU Valve test
Gen3/tasks/TEST-BRAKE_RCU-VALVE-TEST
What this task does
This routine confirms correct operation of the RCU pump motor and solenoid valves. For a dry or partially filled RCU, this test is also a viable repair method.
Vehicle compatibility
Select your vehicle’s hardware to see task details, requirements, and inputs. Availability is confirmed after connection.
Model 3 / Y AMD
- Vehicle coverage
- 2025+ Model Y
- Supported connection
- Local connection
- Vehicle state
- Stationary · Parked
- Gateway diagnostic level
- No specific level listed
Procedure notes
Do not press the brake pedal during testing.
Task inputs (2)
Leakage check start pressure threshold.
leakage_check_start_pressure_threshold · Float
Minimum allowed pressure at the start of leakage check to pass.
Default: 10
Pressure Ratio
service_pressure_ratio_threshold · Float
Applicable to service only. Ratio of pressure drop to the start pressure during an RCU leakage check.
Default: 0.4