YearToAvoid

2006 GMC Envoy Denali Electrical System Problems

NHTSA has 26 owner complaints about electrical problems in the 2006 GMC Envoy Denali, 31% of all 84 complaints for this model year. That is the highest electrical complaint count among 2 Envoy Denali model years. These complaints report 1 crash and 1 fire. Median mileage at failure: 87,050 miles.

Electrical System complaints
26
31% of 84 complaints
All complaints this year
84
Crashes reported
1
Fires reported
1
Injuries reported
0
Median mileage
87,050 mi
Related recalls
0

When 2006 GMC Envoy Denali electrical complaints were filed

First complaint Oct 13, 2006, latest Feb 28, 2018.

2006 GMC Envoy Denali electrical system complaints: complaints filed per month5Oct 2006Mar 2010Mar 2013May 2014Aug 2014Feb 2015Nov 2016
26 complaints filed with NHTSA from Oct 2006 to Feb 2018; peak Oct 2014 (5).

Electrical System recalls for the 2006 GMC Envoy Denali

No safety recalls on record for this model year.

Electrical System complaints by Envoy Denali model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200626 (31%)
  2. 200719 (56%)

Frequently asked questions

Does the 2006 GMC Envoy Denali have electrical problems?
NHTSA has 26 owner complaints about the electrical in the 2006 GMC Envoy Denali, 31% of all complaints for this model year, including 1 that report a crash. Median mileage at failure is 87,050 miles.
Which GMC Envoy Denali year has the most electrical complaints?
The 2006 GMC Envoy Denali has the most electrical complaints (26), compared with 26 for the 2006.
Is there a electrical recall for the 2006 GMC Envoy Denali?
No NHTSA recall campaign for the 2006 GMC Envoy Denali is classified under electrical system. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.