General Motors (Chevrolet, GMC, Cadillac, Buick) Lemon Law Cases in California

General Motors — including the Chevrolet, GMC, Cadillac, and Buick brands — produces substantial California Song-Beverly case volume. The Bolt EV’s high-profile battery recall, Silverado/Sierra transmission issues, and various electrical and software defects each drive characteristic case patterns.

Common GM defect categories

Chevrolet Bolt EV battery recall

The Chevy Bolt EV’s battery recall — affecting 2017-2022 model years — was one of the largest EV recalls in history. LG Chem battery packs in affected vehicles were subject to fire risk; GM advised owners to limit charging to 80% and park outdoors. The recall:

• Affected over 140,000 vehicles globally.
• Required complete battery pack replacement.
• Produced long out-of-service times (multi-month waits for replacement parts).
• Caused continued use restrictions while awaiting replacement.

Affected California buyers brought Song-Beverly claims and recovered substantial buybacks — particularly for vehicles with extended out-of-service time and limited usability during the recall period. The case category continues to develop as new battery management software updates emerge.

8/10-speed transmission issues (Silverado, Sierra, Tahoe, Yukon, Cadillac Escalade)

GM’s 8-speed and 10-speed transmissions (the 10-speed is a joint Ford/GM development) have produced significant California cases:

• Harsh shifting, particularly at low speeds.
• Hesitation when accelerating from a stop.
• “Shudder” or driveline vibration.
• Torque converter issues.
• Software-related issues that recur after reflashes.

The 8-speed transmission cases in particular accumulated extensive TSB history. GM settled some class-action issues but California Song-Beverly cases often produce stronger individual outcomes. See our transmission defects article for the general framework.

Silverado/Sierra 5.3L V8 issues

GM’s 5.3L V8 engines have produced cases involving:

• Active Fuel Management (cylinder deactivation) failures causing misfires and oil consumption.
• Lifter failures.
• Carbon buildup issues.
• Various TSB-acknowledged engine concerns.

See our engine defects article for context.

Cadillac Lyriq and Hummer EV issues

GM’s newer EV models have produced emerging California cases:

• Lyriq battery and software issues.
• Hummer EV charging and drive-system issues.
• Infotainment and Super Cruise (driver-assist) issues.

Electrical and infotainment issues

GM vehicles have produced numerous electrical and infotainment cases:

• MyLink and infotainment system issues.
• Body control module failures.
• Various electrical gremlins (dashboard warning lights, intermittent issues).
• Backup camera failures (federal compliance issue). See our infotainment defects article.

Steering and suspension issues

The “steering wander” complaints in various GM trucks and SUVs have produced cases involving electric power steering (EPS) tuning, steering rack issues, and alignment problems. See our steering and suspension article.

Cadillac CT5 / CT6 / XT5 / XT6 issues

Cadillac models have produced specific cases involving:

• Magnetic Ride Control suspension failures.
• Infotainment (CUE/Super Cruise) issues.
• Transmission issues shared with platform-mate Chevrolets.

GM’s customer-relations and litigation profile

Dealer network

GM dealers in California are franchised independents. General Motors LLC handles escalated cases through its corporate customer-relations function.

Settlement profile

GM settles most California lemon-law cases pre-trial. Defense counsel handle Song-Beverly cases routinely.

TSB density

GM issues a high volume of TSBs. The TSB record provides substantial discovery evidence for willfulness arguments.

Bolt EV recall interaction

For Bolt EV cases, the recall and class-action settlement framework can interact with individual Song-Beverly claims. Most affected California buyers pursue individual claims regardless of class participation — the Song-Beverly buyback math typically outperforms class compensation.

Settlement values

GM buyback values in California typically range:

• Bolt EV: $30,000-$50,000 (often with civil-penalty premium given recall history)
• Silverado/Sierra 1500: $40,000-$80,000+
• Silverado HD/Sierra HD: $50,000-$120,000+
• Tahoe/Yukon: $50,000-$100,000+
• Suburban/Yukon XL: $55,000-$110,000+
• Cadillac Escalade: $70,000-$130,000+
• Cadillac Lyriq: $50,000-$90,000+
• GMC Hummer EV: $80,000-$150,000+
• Buick Enclave / Encore: $30,000-$55,000
• Chevrolet Corvette / Camaro: $50,000-$120,000+

Lease cases follow the standard framework.

What you should do

If you have a GM vehicle with persistent defects:

1. Pull every repair order and TSB notice.
2. For Bolt EV cases, document the recall timeline, charging restrictions, and any out-of-service period.
3. For transmission cases, note specific symptoms and conditions.
4. Save GM customer-relations case numbers and notes.
5. Get a free case review from a California lemon-law attorney with GM-specific experience.

GM cases settle reliably under Song-Beverly. The extensive TSB record on known defect categories supports strong civil-penalty exposure where the manufacturer’s knowledge of the defect is documented.

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