DTC 90D5: Lost Communication With Switch Bank Module: Notes

WARNING: This page is about a different car, the 2007 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: CAN B Bus Circuit Schematic

Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

When Monitored:
With the ignition on.

Battery voltage between 10 and 16 volts.

IOD fuse installed.

EIS (CGW) is configured correctly.
Set Condition:
Bus messages not received from the SBM for approximately 2 to 5 seconds.

Possible Causes
CAN C BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
EIS (CGW) NOT CONFIGURED CORRECTLY
SWITCH BANK MODULE POWER AND GROUND
SWITCH BANK MODULE
MODULE THAT SET THE DTC