GMC Terrain ECM VIN Writing

I need a professional to write a new VIN to a used ECM for a GMC Terrain SUV.

Requirements:
- Experience with ECM programming
- Familiarity with GMC vehicles, specifically Terrain
- Must ensure the new VIN is correctly and securely written

Ideal Skills:
- Automotive electronics expertise
- Previous work with GM vehicles
- Attention to detail and precision

Please provide details of your experience and any relevant certifications.