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Lion Lemon

2020-2024 · Compact Luxury Sedan

Cadillac CT4 Lemon Law

Experiencing problems with your Cadillac CT4? Our California lemon law attorneys can help you get the compensation you deserve.

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Common Cadillac CT4 Problems

The LSY 2.0T engine's electronically controlled wastegate sticks in the closed position during cold weather, causing overboosting conditions that trigger limp mode and set diagnostic trouble code P0234.
The 10-speed automatic transmission (10L80) in CT4-V models exhibits RPM flare during the 5-6 and 7-8 upshifts under moderate throttle, indicating slipping clutch packs in the transmission's reaction gear set.
The CT4's dual-mode exhaust valve actuators in V-Series models seize due to heat-related corrosion of the vacuum-operated butterfly valve pivots, causing an exhaust drone at highway speeds.
The electronic parking brake auto-hold feature intermittently releases on inclines, traced to a calibration error in the EPB control module and premature wear of the parking brake caliper motor gear.
The CT4's rear shock absorber top mounts crack prematurely at the weld points on performance-equipped models, producing clunking over bumps and allowing excessive rear axle movement.

Your California Lemon Law Rights

Under California's Song-Beverly Consumer Warranty Act, if your Cadillac CT4 has a substantial defect that cannot be repaired after a reasonable number of attempts, you may be entitled to:

  • Full refund of the purchase price
  • Replacement vehicle of comparable value
  • Cash compensation (cash-and-keep settlement)
  • Attorney's fees paid by the manufacturer

Cadillac CT4 Lemon Law FAQ

My CT4-V's transmission slips during upshifts and the dealer has replaced clutch components twice. Is this a lemon?

Under the Song-Beverly Act, two unsuccessful repair attempts for a defect that could cause safety concerns, such as unexpected power loss during transmission slipping, may be sufficient to create a lemon law presumption. Even under the general standard of four repair attempts, having the clutch packs replaced twice without resolving the issue demonstrates a substantial impairment. You should consult a California lemon law attorney to evaluate the strength of your case.

Does California's Lemon Law cover my CT4 if the electronic parking brake keeps releasing on hills?

Yes, a parking brake that releases unexpectedly is a clear safety defect covered by the Song-Beverly Consumer Warranty Act. Safety-related defects have a lower threshold of only two repair attempts before the lemon law presumption applies. Keep detailed records of each incident including the grade of the incline and whether the vehicle rolled, as this evidence strengthens your claim significantly.

I financed my CT4 through GM Financial. Can I still get a lemon law refund?

Yes, the Song-Beverly Act entitles you to a refund even if the vehicle is financed. The refund would first pay off your remaining loan balance with GM Financial, and then any excess amount would be returned to you directly. All payments you have made, including your down payment, monthly installments, taxes, and fees, are factored into the refund calculation minus a reasonable mileage offset.

What if the CT4 defect only happens intermittently and the dealer says they cannot replicate it?

An intermittent defect is still covered under the Song-Beverly Act as long as it substantially impairs the vehicle's use, value, or safety. The dealer's inability to replicate the problem does not excuse the manufacturer from its warranty obligations. You should record video evidence of the defect when it occurs and keep a written log with dates and conditions, as California courts have consistently held that intermittent defects can support a valid lemon law claim.

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