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Home >> Jeep >> 2008 >> Compass Limited, AWD, Automatic CVT >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Can Communication System - Non-DTC Diagnostics) >> Diagnosis And Testing >> No Response From ECM (Engine Control Module) >> Notes
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No Response From ECM (Engine Control Module): Notes

WARNING: This page is about a different car, the 2009 Jeep Patriot and 2009 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: ECM Circuit
GC0100530Courtesy of CHRYSLER LLC

For complete wiring diagrams, refer to:

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