Chevy Blazer EV Electric Drive Transmission Module Defect: What California Owners Should Know
If you drive a 2024 Chevrolet Blazer EV, especially the AWD configurations, you may be eligible for a repair under General Motors’ Customer Satisfaction Program N252502890. This service campaign addresses a condition in the front electric drive transmission module that may significantly impair drivability and vehicle reliability.
Nature of the Defect
GM’s internal assessment revealed that certain front electric drive transmission modules may have an internal differential nut that is cross-threaded or missing entirely, likely due to assembly errors. In these vehicles, this component flaw can lead to module failure and drive instability.
GM has issued guidance requiring unaddressed vehicles to receive complete front module replacement, plus replacement of auxiliary parts such as A/C seals, mounting bolts, transmission fluid, and high-voltage coolant—fully covered by GM through August 31, 2027.
Timeline, Scope and Service Requirements
The program affects select 2024 Blazer EV units (including those in dealership inventory—new, used, certified, or courtesy vehicles).
Dealers must query GM’s Global Warranty Management system to identify affected VINs. Vehicles flagged as needing service must have the module replaced before being sold or delivered.
Front module replacement requires 8–12 labor hours, while rear replacements (if applicable) range from 2–8 hours depending on powertrain.
GM will notify owners via letters and encourage scheduling of repairs promptly.
Why It May Trigger Lemon Law Rights
While the repair is free, persistent or recurring issues after the fix may entitle you to legal remedies under California’s Song‑Beverly Consumer Warranty Act:
Continued performance issues or drivability problems even after module replacement.
Multiple repair visits (typically three or more) for the same defect.
Accumulation of 30 or more total days out of service, rendering the vehicle unreliable or unsafe.
Such circumstances may qualify you for a vehicle buyback, replacement, or cash settlement, plus recovery of attorney fees.
Steps You Should Take
Check your VIN with GM, your dealer, or NHTSA to confirm eligibility under CSP N252502890.
Schedule the recommended repair with an EV‑certified Chevrolet dealer.
Retain all repair documents—work orders, dates, technician notes, and parts installed.
Observe your vehicle after repair for warning lights, noise, instability, or performance decline.
Document issues—record videos, photos, and symptom details if problems recur.
Return promptly if symptoms persist; don’t continue driving under unresolved conditions.
Elevate concerns through GM customer service and log with NHTSA if needed.
Consult a Valero Lemon Law if your Blazer EV continues to suffer defects or out-of-service time.
Factors That May Strengthen a Lemon Law Claim
Same defect returns after recommended module replacement.
Four or more visits for the same defect.
Combined total of 30+ days the vehicle was unavailable due to related service.
Evidence of lost warranty coverage, commuting hardship, or safety compromise due to repeated failures.
Final Thoughts
Although GM has implemented a repair program for the electric drive transmission module defect in the 2024 Blazer EV, repeated issues or inadequate resolution may still entitle owners to legal remedies under California Lemon Law. If your Blazer EV struggles with operational or safety symptoms—even after completing CSP N252502890 service—you deserve relief: whether repurchase, replacement, or compensation.
Valero Law, APC provides free case evaluations, and we only collect attorney fees if you recover compensation. Feel free to ask for a tailored version for social media, printable formats, or further legal clarification.