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Home › Jeep › 2004 › Grand Cherokee Overland, AWD › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transmission Diagnostic Procedures › System Description & Functional Operation › DTC Descriptions › P1694 (19) - BUS Communication with Engine Module › Set Condition:

Set Condition:

If no bus messages are received from the Powertrain Control Module (PCM) for 10 seconds.

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