There are 2 stored owner reports matching the electrical system leading-label group for the 2009 GMC Envoy in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)HEADLIGHT DRIVE MODULE (HDM) CONTROLS BOTH LOW BEAM HEADLIGHTS. THIS RELAY HAS FAILED ON ME TWICE IN LESS THAN A YEAR, AT NIGHT RESULTING IN GOING DOWN THE ROAD WITH NO LIGHTS AND UNABLE TO SEE. VEHICLE WAS IN MOTION ON A HIGHWAY GOING 55 MPH AT NIGHT
TL* THE CONTACT OWNS A 2009 GMC ENVOY. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 30 MPH, AN ABNORMAL NOISE EMITTED FROM UNDERNEATH THE RIGHT PASSENGER'S SEAT. THE PROBLEM RECURRED MULTIPLE TIMES. THE VEHICLE WAS TAKEN TO THE DEALER, WHERE IT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 60,000. ..UPDATED 10/28/16 *BF UPDATED 03/19/15*BF....UPDATED 04/28/15*JB..UPDATED 10/04/16 *BF UPDATED 10/31/16.*JB UPDATED 9/19/2017*CN
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.