The Cadillac CT4-V Blackwing made its formal introduction for the 2022 model year, offering impressive track-ready performance in a stylish four-door wrapper. Now, however, some Cadillac CT4-V Blackwing units may need a small repair performed on the engine wiring harness. This repair may be required on select Cadillac CT4-V Blackwing units between the 2022 and 2023 model years.
GM announced the new Cadillac CT4-V Blackwing engine wiring harness repair update early this month. The repair should be applied to vehicles in dealer inventory, as well any vehicles that return to the dealer for any reason.
The repair addresses an engine wiring harness breakout branch for the Cadillac CT4-V Blackwing’s power steering that may not be properly secured around the front of the engine, near the air box. To address this issue, GM technicians are instructed to first inspect the engine wiring harness to identify if it is indeed not properly secured, and if not, to secure the wiring harness branch clip as needed.
As a reminder, the Cadillac CT4-V Blackwing features the twin-turbocharged 3.6L V6 LF4 gasoline engine, which produces a maximum of 472 horsepower and 445 pound-feet of torque. Output reaches the rear wheels via the GM six-speed manual transmission as standard, while the GM 10-speed automatic transmission is offered as an optional upgrade. Rear-wheel drive is the only drive type offered.
Under the body panels, the Cadillac CT4-V Blackwing rides on the GM Alpha 2 platform, which serves as an upgraded iteration of the first-generation Alpha platform. Vehicle production takes place at the GM Lansing Grand River plant in Lansing, Michigan.
As GM Authority covered previously, Cadillac CT4-V Blackwing owners are now receiving their new Blackwing decklid badge, which includes the Blackwing script in conjunction with the V-Series logo, providing further indication of the four-door’s high-performance capabilities. Cadillac CT5-V Blackwing owners will also receive the new badges.
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