I have a 1999 Jeep Cherokee 4.0L with engine code P1698, No CCD Message from PCM
This is for the TCM which is the Transmission control module. When there is no CCD or data getting to the PCM it's either the TCM not properly connected or the TCM does not respond anymore.
P1698 JEEP Code - PCM Fault No CCD Message From TCM Read more: https://www.autocodes.com/p1698_jeep.html
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