This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
full bulletin at NHTSA ↗2011 Chevrolet Tahoe electrical problems
severe Owners of the 2011 Chevrolet Tahoe have filed 17 NHTSA complaints about the electrical, typically surfacing around 70,000 miles at roughly $850 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Failure mileage
Complaints
17
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2007 Tahoe | 117 |
| 2008 Tahoe | 89 |
| 2009 Tahoe | 35 |
| 2010 Tahoe | 14 |
| 2011 Tahoe (this page) | 17 |
| 2012 Tahoe | 11 |
| 2013 Tahoe | 13 |
| 2014 Tahoe | 15 |
| 2015 Tahoe | 104 |
1fire
When does it fail?
Of the 17 electrical complaints filed for the 2011 Chevrolet Tahoe, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA electrical complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
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 bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
full bulletin at NHTSA ↗This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
full bulletin at NHTSA ↗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 warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of 2011 Tahoes report widespread electrical instability characterized by random, complete loss of power affecting multiple systems at once. The engine shuts down or stutters, dashboard gauges flicker or stop working entirely, radio cuts in and out, and door locks cycle erratically—sometimes lasting only seconds before the vehicle resets, other times requiring an engine restart to recover. One owner traced bad ground connections at the battery negative terminal and frame, but even dealer sensor replacements (costing $600+ per attempt) failed to cure the problem permanently.
Unintended acceleration appears in the complaints, with the engine racing despite no cruise control engagement and brakes failing to stop the vehicle. Stability control and ABS systems activate involuntarily, particularly when braking or using turn signals, and power loss occurs even at highway speeds (55–70 mph), forcing drivers to pull over and shut down the engine.
Instrument cluster failure is common: gauges stop responding intermittently or completely, leaving drivers unable to check speed, fuel, or signal status. One owner's cluster required full replacement at under 50,000 miles. A separate complaint links high-beam activation to erratic engine revving, and another owner reports an ignition lock actuator binding, making the key difficult to turn and trapping the ignition in start position. A recall (Campaign 14V827000) for electrical system defects was issued, but parts were unavailable when owners attempted repairs.
Same Chevrolet Tahoe electrical reports on nearby years: 2008 · 2009 · 2010 · 2012 · 2013
Failure modes owners describe
Intermittent power loss and electrical dropout
Vehicle experiences sudden loss of electrical power affecting multiple systems simultaneously. Owners report dash components, lights, radio, and engine control cycling on and off, or complete shutdown while driving. Power returns after restart or recovery period.
When: Occurs randomly while driving; can happen after 30 minutes into trip or at any time. Some instances at highway speeds (40-70 mph).
Symptoms owners cite: Complete loss of power as if battery disconnected; Engine stutter and loss of power; Radio cuts off and restarts; Dashboard gauges flicker or turn off completely; Door locks engage and disengage erratically; Engine shuts down with no steering or brake control; Lights turn off; Instrument panel stops working intermittently then completely
Codes mentioned: C0710 - steering position sensor, U0073 - device power 1 circuit malfunction, B1325 - device power 1 circuit malfunction, B1000 - ECU malfunction
Repairs/costs cited: One owner identified bad ground connections at battery negative to engine/frame and driver side underbody ground at frame. Sensors replaced ($600 per replacement, multiple attempts) with no lasting resolution. Gauge cluster replacement required in one case; another owner had throttle sensor and cables replaced without resolving recurrent deceleration.
Recalls/TSBs owners mention: NHTSA Campaign 14V827000 (electrical system) parts were not available for recall repair at time of complaint.
Unintended acceleration with brake failure
Engine races independently at different speeds without cruise control engaged. Brakes lose effectiveness and fail to stop vehicle. Owner forced to shift to neutral and shut off ignition to regain control.
When: Multiple instances at different speeds; no pattern with cruise control use.
Symptoms owners cite: Vehicle accelerates on its own; Brakes ineffective at stopping vehicle; Engine races to dangerous RPM; Vehicle continues accelerating despite brake application
Loss of power and stability control failures while driving
Vehicle experiences sudden deceleration or power loss triggered by brake pedal or blinker use. Stability control and ABS systems become active and unresponsive. Engine power drops significantly during highway driving.
When: At 45-70 mph on highway. Recurred several times over mileage range (4,000 to 17,000 miles).
Symptoms owners cite: Vehicle independently decelerates; ABS light illuminated; Loss of power warning light; Check engine light illuminated; Traction control light illuminated; Engine power reduced; Speed drops from 70 to 40 mph; Stability track warning light
Repairs/costs cited: Dealer diagnosed defective throttle sensor and cables; replacement performed but problem recurred. No further repair attempted.
Recalls/TSBs owners mention: Manufacturer not made aware per one complaint.
Instrument cluster failure
Dashboard gauges stop functioning intermittently or completely, preventing driver from monitoring vehicle speed, fuel level, turn signals, or backup warning systems. Stability control warning light may flash before failure.
When: Can occur after weeks of intermittent operation; one case at just under 50,000 miles.
Symptoms owners cite: All gauges stop working; Unable to determine vehicle speed; Unable to determine fuel level; Turn signal status unknown; Backup warning sound inoperative; Cruise control does not work; Stability control warning light flashing
Repairs/costs cited: Dealer indicated entire gauge cluster panel replacement required.
Electrical system malfunction tied to light activation
High-beam headlight activation causes engine to rev erratically and run rough. Returns to normal when beams switched back to low. Key fob door lock function also works intermittently.
When: Occurs during nighttime highway driving when engaging high beams.
Symptoms owners cite: Engine revs up and down erratically when high beams activated; Engine runs rough when high beams on; Key fob frequently fails to open or close doors
Ignition lock actuator binding
Key turns with difficulty in ignition. Ignition becomes stuck in start position even when attempting to turn vehicle off, requiring manual intervention to return to off position.
When: Occurs during normal key operation.
Symptoms owners cite: Difficult key turning; Ignition stuck in start position; Unable to turn key off normally
Synthesized from 17 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Vehicle instrument panel turns on and off upon start up and while driving causing driver to not know how fast one is going, it they have gas, etc. This is a common known issue which affect many gm owners as well as the gm brand.
Had electrical trouble with your 2011 Chevrolet Tahoe?
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 2011 Chevrolet Tahoe?
It's a meaningful issue. 17 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 49,000 and 114,000 miles, with the median around 70,000. A quarter of owners report trouble before 49,000; a quarter make it past 114,000. 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/2011/Chevrolet/Tahoe.
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.