U0025-Can B Bus (-) Circuit Low: Notes

Fig 1: CAN B Bus Circuit Diagram

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article.

When Monitored:
Continuously
Set Condition:
The FCM detects the (D54) CAN B Bus (-) circuit is shorted to ground.

Possible Causes
(D54) CAN B BUS (-) CIRCUIT SHORTED TO GROUND OR TO (D54) CAN B BUS (-) CIRCUIT
ANY CAN B BUS MODULE
FRONT CONTROL MODULE