DTC 90D2: Lost Communication With Electronic Ignition Switch (CGW) 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 EIS (CGW) 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
ELECTRONIC IGNITION SWITCH (CGW) MODULE POWER AND GROUND
ELECTRONIC IGNITION SWITCH (CGW) MODULE
MODULE THAT SET THE DTC