General Motors (Chevrolet/GMC/Cadillac/Buick) Cases Under Colorado Lemon Law

General Motors (Chevrolet, GMC, Cadillac, Buick) is well-represented in Colorado. GM cases are pursued under C.R.S. § 42-10-104 and CCPA.

Common GM defect patterns

• 8-speed transmission shudder — Silverado, Sierra, Camaro (TSB pattern).
• L87 / LT4 V8 lifter failures.
• Bolt EV battery recall pattern.
• Hummer EV early-build issues.
• GMC Sierra Denali Ultimate infotainment crashes.
• Cadillac Lyriq Ultium drive unit issues.
• 6.6L Duramax diesel emissions failures — DEF crystallization at altitude.
• Suburban / Yukon air suspension failures.

GM TSB / recall overlay

Heavy TSB pattern.

Heavy-duty pickup limitation

Colorado’s 10,000-lb GVWR cap typically excludes Silverado 2500 / 3500.

Bottom line

GM cases — particularly 8-speed shudder, Bolt EV battery, and Duramax emissions cases — are well-positioned for Colorado Lemon Law and CCPA bad-faith pleading.

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