Court Grants Final Approval to GM Fuel Pump (“CP4”) Class Action Settlement
On May 6, 2025, Judge Terrence G. Berg granted final approval to a $50 million settlement with General Motors on behalf of consumers who paid out of pocket for repairs to defective CP4 fuel pumps, and on behalf of consumers who no longer own their truck(s) and did not pay for a fuel pump repair.
You may be entitled to a cash payment if you bought a 2011-2016 Duramax diesel Chevrolet Silverado or GMC Sierra from a GM-authorized dealer in California, Florida, Illinois, Iowa, New York, Pennsylvania, or Texas. Consumers can visit https://www.gmfuelpumplitigation.com to enter their vehicle’s VIN to learn if they have an eligible vehicle. The deadline to file a Claim Form is November 6, 2025.
For full information on the settlement, including information on filing a claim, key dates, and FAQs, visit the settlement website: https://www.gmfuelpumplitigation.com. Class members should consult the materials on the website for explanations and assistance in recovering their benefits under the settlements.
Our Auto Defect Attorneys
Eric Gibbs
A founding partner at the firm, Eric has negotiated groundbreaking settlements that favorably shaped laws and resulted in business practice reforms.
View full profileDave Stein
Dave represents clients in cases nationwide, ranging from securities and financial fraud cases to product liability, privacy, and data breach suits.
View full profileAmy Zeman
Amy has built a reputation in the plaintiffs’ bar for delivering results to consumers and sexual assault survivors in class actions and mass torts.
View full profileDylan Hughes
Dylan concentrates his practice on investigating and prosecuting fraud matters on behalf of whistleblowers, consumers, and employees.
View full profileSteve Lopez
Steve represents consumers, employees, and whistleblowers harmed by corporate misconduct in a variety of complex litigation cases.
View full profileOur Auto Defect Experience
The auto defect attorneys at Gibbs Mura have over 20 years of experience representing drivers against major vehicle manufacturers such as Honda, General Motors, Hyundai, Toyota, Kia, and Ford. We have earned over $1 billion for our clients and have achieved some of the largest auto defect settlements on record.
Read more about our results.
About Us
Gibbs Mura is a California-based law firm committed to protecting the rights of clients nationwide who have been harmed by corporate misconduct. We represent individuals, whistleblowers, employees, and small businesses across the U.S. against the world’s largest corporations. Our award-winning lawyers have achieved landmark recoveries and over a billion dollars for our clients in high-stakes class action and individual cases involving consumer protection, data breach, digital privacy, and federal and California employment lawsuits. Our attorneys have received numerous honors for their work, including “Top Plaintiff Lawyers in California,” “Top Class Action Attorneys Under 40,” “Consumer Protection MVP,” “Best Lawyers in America,” and “Top Cybersecurity/ Privacy Attorneys Under 40.”
