2007 GMC Topkick Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2007 GMC Topkick, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical150.0%
- Engine150.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
TL*THE CONTACT OWNS A 2007 GMC TOPKICK. THE CONTACT STATED THAT THERE WAS A WIRING ERROR RELATED TO THE UPFITTER. WHILE THE BODY WAS BEING PLACED ON THE VEHICLE, THEY CLIPPED THE WIRING THAT WAS SUPPLIED FROM GM. THE TAIL LIGHTS STOPPED WORKING DUE TO THE CLIPPED WIRING. THE FAILURE AND CURRENT MILEAGES WERE 5,000. UPDATED 3/16/09 *CN THE CONSUMER STATED THE TAILLIGHTS, MARKER LIGHTS AND DASH LIGHTS WERE ALL OUT. THE PROBLEM WAS DETERMINED TO BE A BLOWN FUSE. UPDATED 03/19/09.(KB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
4500 TOPKICK HAS HAD NUMEROUS FAILURES THAT CAUSE THE ENGINE TO DERATE AND THE VEHICLE WILL ONLY RUN 20 MPH WHICH IS A HAZARD TO TRAFFIC. IT HAS BEEN RETURNED TO THE DEALER SEVERAL TIMES ONLY TO HAVE ANOTHER FAILURE. THIS VEHICLE IS A 2007 MODEL AND THE PROBLEM IS ALWAYS BLAMED ON SOMETHING WE DID LIKE BAD FUEL OR A SENSOR GOT UNPLUGGED SOMEHOW. I PERSONALLY WILL NEVER OWN ANOTHER GM PRODUCT. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .