Originally Posted by falcon2017
Took my 2014 JGC in for P20EE problem. They flashed updated the computer cleared the error code but caused air suspension problem and disabled cruse control!
Now they have new PCM on order and will replace it later this week. Hope after that my issues are gone! But I suspect I'll get the P20EE again till they finally replace the catalyst.
This turned to be my problem as well. The flash update to fix the P20EE issue wiped the PCM clean, so my dealer ordered a new one. They received one today, but only half of the PCM was functional, so they have to order a replacement for the replacement.
Update: Replacement PCM received from another dealer. Installed and programmed. All is good (for now).
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