This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
full bulletin at NHTSA ↗2007 Chevrolet Uplander electrical problems
severe 12 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
12
Recalls
0
Avg fix
$850
1fire
What stands out
Of the 4 model years of Chevrolet Uplander we track for electrical problems, this one has the fewest owner complaints on file (12).
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
full bulletin at NHTSA ↗Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
full bulletin at NHTSA ↗This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2007 Chevrolet Uplander electrical system shows a serious cluster of problems. Rear sliding doors open unexpectedly — sometimes while driving at highway speeds — and fail to close properly, trapping occupants. Owners report doors that won't operate electrically or manually, grind mid-close, pop back open, and trigger constant alarm chimes. Dealers have replaced door motors, but the issue recurs in some cases. Battery failures happen without warning; owners cite heavy corrosion on positive cable terminals (described as flimsy stamped metal rather than traditional lead) and a high charging voltage (15+ volts) from the alternator. Dealers replace batteries but don't address the underlying charging or terminal problem. Headlights cut out on their own—low beams die first, then high beams follow—taking tail lights with them, creating a hazard at night. A few reports mention wiring harness failure, check engine lights with reduced engine power limp mode, rear wiper and blower motor failures, and one complete dashboard fire with smoke and flames. One handicapped-accessible van complaint notes the in-floor ramp won't deploy manually and the wheelchair user cannot reset a tripped button from inside the vehicle.
Same Chevrolet Uplander electrical reports on nearby years: 2005 · 2006 · 2008
Failure modes owners describe
Rear sliding door opens/closes malfunction
Passenger and driver-side rear sliding doors open spontaneously while parked or driving, fail to close fully, stop mid-close and reopen, grind and pop open repeatedly, or fail to open or close electrically or manually.
When: As early as 3,500 miles; also reported at 9,300 miles and throughout ownership; recurs even after replacement attempts
Symptoms owners cite: Door opens by itself when parked or at highway speed (30–65 mph); Door will not close all the way or closes partially then reopens; Door grinds and pops back open when attempting to close; Door will not open or only opens partially; Cannot close door manually even when electrical system fails; Constant dinging alarm when door is not fully closed
Repairs/costs cited: Electric door motor replacement reported; part availability delays (10+ days). One owner had documentation showing previous owner already replaced doors for the same issue. One dealer reported seeing this problem two other times on a 2007 Uplander.
Battery failure with charging system issue
Battery fails without warning; positive terminal corrodes heavily with green and white deposits despite supposed new batteries. Alternator charges above normal voltage (15+ volts), which owners believe damages batteries.
When: At 30,000+ miles; recurs within months even after battery replacement
Symptoms owners cite: Vehicle will not crank with no warning; Positive battery terminal heavily corroded with green and white deposits; Battery fails repeatedly even after replacement; Alternator charging at 15+ volts (higher than normal)
Repairs/costs cited: Owners cleaned corroded terminals themselves; dealer replaced battery but did not clean terminal or address high voltage charging. Owner notes terminal is cheap stamped metal rather than heavy lead style.
Headlight failure (low beam, then high beam, then tail lights)
Low beam headlights cut out on their own; high beams become the only option initially, then high beams also fail. Tail lights fail at the same time. Creates dangerous night-driving condition.
When: Timing not specified; reported as creating hazard for teenage driver at night
Symptoms owners cite: Low beam headlights go off on their own; Only high beams function after low beam failure; High beams quit after a few miles; Tail lights fail when headlights fail; Complete loss of front and rear lighting
Dashboard fire with smoke and flames
While driving at highway speed, dashboard lights flashed, vehicle stalled, then smoke filled the interior and flames emerged from the dash area. Vehicle was completely destroyed.
When: Timing not specified
Symptoms owners cite: Dash lights flashed; Vehicle stalled; Smoke filled interior compartment; Flames emerged from dash; Total vehicle destruction
Repairs/costs cited: Complete loss; fire department called
Check engine light and reduced engine power limp mode
Check engine light illuminates and reduced engine power mode engages, severely limiting vehicle speed. Issue recurs within minutes even after restart.
When: Occurred while driving 60 mph on highway
Symptoms owners cite: Check engine light illumination; Reduced engine power dashboard warning; Unable to accelerate to normal speed; Recurs within one minute of restart
Codes mentioned: Check Engine
Wiring harness failure
Wiring harness failed at 35,000 miles; repaired under warranty according to owner.
When: 35,000 miles
Symptoms owners cite: Wiring harness failure
Repairs/costs cited: Repair completed under warranty
Recalls/TSBs owners mention: Covered under warranty
Multiple electrical component failures (rear wiper, blower fan, exterior lighting)
Following a temperature change, rear wiper, blower fan, and exterior lighting all failed. Dealer unable to duplicate failures.
When: At 14,000 miles; reported at 17,297 miles
Symptoms owners cite: Rear wiper failed; Blower fan failed; Exterior lighting failed; Failures followed a temperature change
Repairs/costs cited: Dealer could not reproduce the issue
In-floor wheelchair ramp malfunction (Braun Entervan conversion)
In-floor ramp will not deploy and cannot be manually operated. Reset button tripped but wheelchair user/driver cannot access it from inside vehicle to reset. Ramp cannot be deployed or pulled from inside; requires second person outside.
When: Not specified
Symptoms owners cite: In-floor ramp will not deploy electrically; Ramp will not deploy manually; Reset button cannot be accessed or operated from driver area; Cannot deploy or pull ramp from inside vehicle; Requires second person to operate
Repairs/costs cited: Owner notes this is a safety concern for wheelchair users who must have independent operation
Synthesized from 12 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had electrical trouble with your 2007 Chevrolet Uplander?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2007 Chevrolet Uplander?
It's a meaningful issue. 12 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Across the 12 complaints that reported odometer mileage, most electrical failures cluster between 14,000 and 122,015 miles, with the median around 57,000. A quarter of owners report trouble before 14,000; a quarter make it past 122,015. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2007/Chevrolet/Uplander.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.