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P163A fault

DAC17

Seasoned Member
Joined
Apr 8, 2021
Messages
119
Location
CT
V-Series Cadillac(s)?
2023 CT5-V
Anyone get this yet on their CT4-V BW? Just happened in highway driving tonight. No flashing light, though.

The Engine and Transmission System is not performing as expected. An issue has been detected in the Fuel Management System used to maintain, control and monitor fuel consumption. If the check engine light is flashing, a misfire condition has been detected. A misfire increases vehicle emissions and could damage the emission control system on the vehicle. Please reduce vehicle speed, avoid hard accelerations, avoid steep uphill grades, and reduce any cargo loads such as a trailer.
 
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Went to the dealer today. Apparently they traced the fault to the high pressure fuel pump. Getting a new one installed tomorrow. Hope no one else has to experience the issue in their first 200 miles of driving!
 

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