This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
Fouled spark and excessive deposit formation in the piston ring grooves along with excessive engine oil consumption. This is not an issue of normal wear and tear on the vehicle, but is rather a known issue due to design defects with the PCV system, which has not been adequately addressed by the manufacturer. Tsb 10-06-01-008M addresses this exact condition. GMC has advised on the appropriate corrective actions to address the issues, but still requires customers to bear the costs of correcting the defect. Vehicle has approximately 83,000 miles on it.
Under normal driving the vehicle will go into "reduced engine power" mode while saying service stabilitrak and stabilitrak off. Give the code referencing a 5A reference. I have replaced the ECM 2X, the accelerator pedal assembly, throttle body entire, high pressure fuel sensor problem continues without remedy. Has happened to many times to count starting in Dec 2008 to present
The contact owns a 2014 GMC Yukon. While operating the vehicle, the traction control warning indicator illuminated before the vehicle suddenly stalled. The vehicle was towed to the contact's home. The failure was not diagnosed or repaired. The dealer and manufacturer were not notified. The failure mileage was 70,000.
- Ft. Worth, TX, USA
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- Houston, TX, USA