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Home >> Dodge and Ram >> 2009 >> Sprinter 2500, Van Cargo >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> (Roof Control Module (RCM) - Electrical Diagnostics) >> DTC Troubleshooting >> DTC 90E6: Lost Communication With Programmable Special Module >> Notes

DTC 90E6: Lost Communication With Programmable Special Module: Notes

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

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