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New Tuning File Available: VW Golf6 CAYC 1.6 TDI PCR2.1 ECU File – Software SM2F0L9500000/SW 8831 03L906023A - Stage 1 for Siemens PCR2.1 on Golf6 CAYC 1.6 TDI – ECU 03L906023A / Prod 03L906023B, designed to improve boost, throttle and torque delivery
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: 105.0PS / 77.2KW.
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: 105.0PS / 77.2KW.
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 1.6 TDI (CAYC engine)
- Boost control and injection timing refined
- Pedal maps and throttle logic made more responsive
- Torque limiters lifted in key load areas
- AFR and smoke maps tuned for balanced power and emissions
- Cold start behavior unchanged for OEM stability
- Developed for Siemens PCR2.1 – ECU 03L906023A
- Works with CMD/Autotuner/PCMTuner PCR tools
- Full binary includes original and modified files
- Safe for use with stock turbo, EGR and DPF systems
➜ Download Tuning File / View Full Specs