Normal Operation and Fault Conditions
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When the engine is running, the ABS module provides the ground circuit for the HydroMax pump motor relay coil. The ABS module continually monitors the HydroMax pump motor relay coil circuit and sets a DTC if the relay is stuck open or there is a circuit failure on the HydroMax pump motor relay coil circuit.
PPT CU ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| C1054:13 | Hydraulic Brake Booster R Line Fault: Circuit Open | With the ignition ON and system voltage between 9 and 16 volts, the ABS module detects voltage on the HydroMax pump monitoring circuit, indicating an open circuit on the HydroMax pump motor relay coil circuit. |