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DTC 90D4: Lost Communication With Cluster/CCN: 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
GC0065422Courtesy of CHRYSLER LLC

For complete wiring diagrams refer to SYSTEM WIRING DIAGRAMS article.

  1. When Monitored: 

    With the ignition on.

    Battery voltage between 10 and 16 volts.

    IOD fuse installed.

    EIS (CGW) is configured correctly.

  2. Set Condition: 

    Bus messages not received from the Cluster/CCN 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
CLUSTER/CCN POWER AND GROUND
CLUSTER/CCN
MODULE THAT SET THE DTC