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No Response From ECM (Engine Control Module): Notes

Fig 1: ECM CAN C BUS, Fused Ignition Switch Output & Ground Circuit Schematic
GC0120631Courtesy of CHRYSLER LLC

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

Possible Causes 
ENGINE CONTROL MODULE POWER AND GROUND
(D65) CAN C BUS (+) CIRCUIT OPEN
(D64) CAN C BUS (-) CIRCUIT OPEN
ENGINE CONTROL MODULE