U0019-Can B Bus - HSM: Notes

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: CAN B BUS - HSM Circuit Schematic

Courtesy of DAIMLERCHRYSLER CORPORATION

For a complete wiring diagram Refer to SYSTEM WIRING DIAGRAMS .

When Monitored:
Continuously
Set Condition:
Whenever the Can B Bus (+) or B Bus (-) circuit is open, shorted to voltage or shorted to ground, this code will set.

Possible Causes

CAN B BUS DTC'S IN FRONT CONTROL MODULE

(D54) CAN B BUS (-) CIRCUIT OPEN

(D55) CAN B BUS (+) CIRCUIT OPEN

HEATED SEAT MODULE