Test J: DTC U1901 - CAN Network #2 Communication Bus Fault - Receive Error
Pinpoint Test J: DTC U1901 - CAN Network #2 Communication Bus Fault - Receive ErrorRefer to Vehicle/Diagrams, Vehicle Dynamic Systems for schematic and connector information.
Normal Operation
The anti-lock brake system (ABS) module communicates with the stability control sensor cluster along the dedicated high speed controller area network (DHS-CAN) bus, circuits VCA23 (BU/WH) and VCA24 (GN/OG). If the ABS module does not receive an expected message from the stability control sensor cluster, then DTC U1901 will be set.
Possible Causes
^ Circuit open
^ Stability control sensor cluster
^ ABS module
PINPOINT TEST J: DTC U1901 - CAN NETWORK #2 COMMUNICATION BUS FAULT- RECEIVE ERROR