Test C: DTCs C1311, C1313, C1315, C1317 and C1440 - Brake Hydraulic Pressure Transducer Signal Fault(s)
PINPOINT TEST C: DTC(S) C1311, C1313 C1315 C1317 AND C1440 - BRAKE HYDRAULIC PRESSURE TRANSDUCER SIGNAL FAULTSRefer to Vehicle/Diagrams, Vehicle Dynamic Systems for schematic and connector information.
Normal Operation
The ABS module internally monitors the hydraulic control unit (HCU) internal pressure and the hydraulic brake pressure to each wheel. If the pressure drops below acceptable limits, the ABS module sets a DTC and the red brake warning indicator and ABS light illuminate.
Possible Causes
^ Base brake system leak
^ HCU