GM Update 652.30 •Improvements to vehicle diagnostics
Cadillac technical service bulletin N25-250378 (652.30) for 2025 Cadillac Lyriq.
- Bulletin number
- N25-250378 (652.30) (N25-250378 (652.30))
- Component
- Unknown or other
- Summary
- GM Update 652.30 •Improvements to vehicle diagnostics. •Fixes to preserve battery life and improve charging. •Fixes to address issues with shifting. •Fixes for vehicle airflow in icy conditions. •Improvements to HVAC compressor performance. During the update process, your radio may stay on up to 5 minutes after you exit the vehicle. This is expected behavior when an update package is onboard the vehicle. Do not service your vehicle during installation.
Vehicles covered
- Cadillac Lyriq 2025 2025
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