

Gen3 Gen4 Wastegate Actuator Harness
The CTS Turbo Gen3/Gen4 Wastegate Actuator Extension Harness lets you check and adjust wastegate voltage without the turbo bolted to the engine. Set the voltage on a new turbo or actuator right on your workbench before it ever goes in the car.
How it works
- Connect the harness to the electrical connector on the vehicle
- Connect the other end to the turbo on your workbench
- Turn the ignition on without starting the engine
- Run VCDS / OBD11 on the same bench to calibrate and troubleshoot wastegate voltage at your convenience
Features
- Calibrate wastegate voltage easily with the turbo off the car
- Troubleshoot wastegate operation (helps address P2563, P00AF and P0045 codes)
- Saves time and money
- No need to dive under the car to set correct voltage
Fitment (all Gen3 and Gen4 TSI engines)
- 2014.5-2024 MK6, MK7, MK7.5 Volkswagen Jetta 1.8T and 2.0T Gen3 EA888.3
- 2015-2024 MK7, MK7.5, MK8 Volkswagen Golf, Sportwagen, Alltrack, GTI, Golf R 1.8T and 2.0T Gen3 EA888.3 and EA888.4 EVO
- 2017-2024 B9, B9.5 Audi Allroad, A4, A5 2.0T
Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.
Pairs well with

Gen3 Gen4 Wastegate Actuator Harness
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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