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New Tuning File Available: VW Golf6 CAYB 1.6 TDI PCR2.1 ECU File – Software SM2G0LG000000/SW 9389 03L906023A - Stage 1 for Siemens PCR2.1 with improved torque and response – ECU 03L906023A / Prod 03L906023A, developed for Golf6 1.6 TDI CAYB engine
Welcome to the official discussion thread for the VW 1.6 TDI CR tuning package. This calibration is specifically developed for the PCR2.1 ECU and optimized to work seamlessly with the 5M.
Target Performance: 90.0PS / 66.2KW.
Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
➜ Download Tuning File / View Full Specs
Discussion & Reviews: VW 1.6 TDI CR
Welcome to the official discussion thread for the VW 1.6 TDI CR tuning package. This calibration is specifically developed for the PCR2.1 ECU and optimized to work seamlessly with the 5M.
Target Performance: 90.0PS / 66.2KW.
Share your experience!Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
All tuning files were acquired through official EVC.de resellers and verified on a professional dynamometer. Each calibration corresponds to the developer listed in the “Modified By” section — performance graphs may be available on their official website. Please note: these files are intended for motorsport or off-road use only. Ensure proper installation and do not operate the vehicle aggressively without verifying mechanical condition. The seller takes no responsibility for misuse or non-compliant road use.
Extended Product Information
- Stage 1 calibration for Golf 6 with CAYB 1.6 TDI engine
- Boost control improved for quicker turbo response
- Torque limiter and driver request logic adjusted
- Fuel injection and airflow maps optimised for efficiency
- Pedal sensitivity mapped for better control at low RPM
- No changes to emissions or startup strategies
- Works with PCR2.1 ECUs (03L906023A)
- Flashable with compatible Siemens toolchain
- Designed for stock hardware setups
- Improves midrange pull without sacrificing drivability
➜ Download Tuning File / View Full Specs
