This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
full bulletin at NHTSA ↗2023 Chevrolet Tahoe electrical problems
severe 26 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
26
Recalls
0
Avg fix
$850
1crash
1injury
What stands out
Owners have filed 26 electrical complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
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 service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
full bulletin at NHTSA ↗This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
full bulletin at NHTSA ↗This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
full bulletin at NHTSA ↗This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 26 complaints describe a pattern of widespread electrical and mechanical failures across 2023 Tahoes, with particularly concerning safety implications. Engine failures dominate the narrative: owners report sudden power loss at highway speeds, complete seizures with metal fragments in oil, catastrophic failures after manufacturer recalls, and seized brakes coinciding with instrument cluster blackouts. Several owners describe losing all brake response while driving, in one case resulting in hospitalization with spinal injuries.
The electrical system shows systematic weak points. Instrument clusters go dark at highway speeds with no warning. The OnStar telematics module fails early and repeatedly, with replacement parts on backorder indefinitely and GM disputing warranty coverage. Audio systems—including turn signal indicators—work intermittently or not at all, making the vehicle unsafe for hands-free phone use. Windshield wipers fail in rain and only resume after the vehicle sits idle. Backup cameras and 360-degree vision systems fail within weeks. Safety restraint systems lose airbag function due to overhead module failures with unavailable parts.
Dealerships consistently tell owners they "cannot duplicate" or "cannot fix" these issues, clear diagnostic codes without repair, and refuse extended warranty coverage. Owners with young children and families report genuine fear of being stranded or experiencing brake failure with dependents in the vehicle. The accumulation of failures—engine, brakes, electrical, restraints—creates compounding safety hazards rather than isolated component issues.
Same Chevrolet Tahoe electrical reports on nearby years: 2021 · 2022 · 2024
Failure modes owners describe
Instrument Cluster Failure / Intermittent Blackout
Owners report the instrument cluster going completely dark or blank while driving at highway speeds, sometimes accompanied by warning messages or chimes. The vehicle loses critical visibility into gauges and warning lights. In one incident, the cluster blackout coincided with an abrupt engine and brake seizure at 34 mph, resulting in hospitalization with spine injuries.
When: While driving at highway speeds; one failure at 80 mph resulting in seizure at 34 mph; another at 15,000 miles
Symptoms owners cite: Instrument cluster goes completely black or blank; Occurs intermittently while driving, often at highway speeds; Unknown vehicle shutdown warning message appears; Warning chime emitted from vehicle
Codes mentioned: U1121
Repairs/costs cited: Dealer unable to duplicate; no repairs documented in most cases
OnStar / Telematics Module Failure
The OnStar telematics communications module fails, disabling navigation, OnStar emergency services, Bluetooth, Apple CarPlay/Android Auto, and hands-free phone functions. Some owners report clock malfunction indicating battery drain. Parts are on backorder with no ETA. GM disputes warranty coverage, saying it falls outside bumper-to-bumper coverage despite controlling powertrain functions.
When: Reported at various mileages including early ownership; one at 26,000 miles
Symptoms owners cite: OnStar button does not work; Voice-activated and Bluetooth functions inoperable; Navigation services unavailable; Apple CarPlay/Android Auto intermittently or completely non-functional; Clock stops working or runs slow; Previous owner may retain ability to start vehicle remotely
Repairs/costs cited: Parts on backorder with no ETA; GM refusing warranty coverage, claiming out-of-bumper-to-bumper scope
Recalls/TSBs owners mention: GM states failure is outside bumper-to-bumper warranty; parts unavailable; no proposed timeline for repair
Audio System / Infotainment Failure
Radio sound output works only intermittently or not at all; turn signal indicator sound does not function. In some cases, entire audio system fails including Bluetooth, phone audio, and turn signal alerts. One owner reports infotainment module replaced three times; another reports scratching noise from speakers. Dealers claim inability to diagnose or repair.
When: Occurs early in ownership and repeatedly; one infotainment motor failure at 49,000 miles
Symptoms owners cite: Radio sound works only 10% of the time or intermittently; Turn signal indicator sound missing or not audible; Scratching noise from speakers; Phone audio and Bluetooth audio fail; All electrical audio aspects of vehicle silent; Seat belt warning sound absent; Crash detection sound absent
Repairs/costs cited: Infotainment module replaced 3 times; dealership quotes $300 diagnostic fee and claims known issue online; motors and modules on backorder
Brake System Failure / Brake Sensor Malfunction
Owners report complete brake system failure where the vehicle does not stop when brake pedal is applied. One owner reports frayed/damaged wire in brake module and brake pad sensor that went unrepaired despite multiple dealership visits and code-clearing only. Another reports all dash warning lights illuminated and zero braking response.
When: One failure occurred during accident on 1/24; sensor warning present from new; one instance at 8,500 miles
Symptoms owners cite: Brakes do not respond when pedal is applied; Vehicle does not stop during braking; Brake pad sensor warning message illuminates; Frayed or damaged wire in brake module
Repairs/costs cited: Code cleared at dealership without repair; frayed brake module wire found after accident; no repairs completed in several cases
Windshield Wiper Intermittent Failure
Wipers stop working intermittently during rain or inclement weather, often after hours of driving. Restarting the vehicle initially does not restore function. Wipers resume working only after vehicle is parked and allowed to sit. Dealership unable to duplicate the failure on multiple visits.
When: After extended driving in rainy conditions (9-hour, 2-hour, and 4-hour drives reported)
Symptoms owners cite: Wipers stop working intermittently during rain; Occurs after several hours of driving; Auto mode wipers fail; Restarting vehicle does not immediately restore function; Function returns only after vehicle sits for a time
Repairs/costs cited: Dealership unable to duplicate; one owner reports manually cycling wiper switch resolves issue temporarily; no permanent repair documented
Backup Camera / 360-Degree Surround Vision System Failure
Backup and 360-degree surround vision camera system fails within weeks of purchase, with cameras flickering or losing connection intermittently. Camera display shows black screen with red triangle and 'no camera' symbol. Dealer confirms camera computer module is defective and non-repairable; full replacement with recalibration required.
When: Less than 4 weeks after purchase; less than 700 miles driven
Symptoms owners cite: Cameras intermittently flicker; Camera connection lost; Camera display shows black screen; Red triangle with exclamation point displayed; No camera symbol appears
Repairs/costs cited: Dealer confirms camera computer is defective and cannot be fixed; replacement module with recalibration needed; vehicle at dealer 18 days with no ETA from dealer or GM
Lane Assist / Driver Assistance Feature False Activation
Lane assist system activates and alerts with no vehicles in the vicinity. Feature triggers unnecessarily and repeatedly. Dealership unable to duplicate the issue on multiple visits.
When: Early in ownership
Symptoms owners cite: Lane assist activates with no other vehicles present; False activation of driver assistance
Repairs/costs cited: Dealership unable to duplicate; no repairs performed
Overhead Console / Safety Restraint System Failure
Overhead module (roof console) fails, rendering airbag system ineffective. Restraint system warning 'Service Safety Restraint System' appears on dashboard. Repair parts on backorder with no ETA. One owner also reports overhead reading light malfunction linked to restraint system warning.
When: At 15,000 miles; repeatedly over 15 months of ownership
Symptoms owners cite: Service safety restraint system warning message appears; Airbag rendered ineffective; Overhead reading lights inoperative; Sunroof inoperative; Dome lights inoperative
Codes mentioned: B1A7A, U1121
Repairs/costs cited: Replacement part on backorder with no ETA; initially estimated 6 weeks, later no ETA provided; no repairs completed
Recalls/TSBs owners mention: Part unavailable; no ETA on replacement
Engine Power Loss / Reduced Power / Stalling
Engines lose power or stall unexpectedly while driving, including at highway speeds and in traffic. One owner reports 'reduced power' warning while on highway; another reports engine stops during acceleration. Multiple instances of loss of power requiring engine restart or towing.
When: Various mileages including 26,000 miles; one at 8,000 miles; one at 50+ mph
Symptoms owners cite: Loss of engine power while driving; Engine stalls at red lights; Reduced power warning appears; Engine dies when decelerating; Engine failure to move vehicle out of park; Check engine light flashes at highway speeds
Codes mentioned: P0300
Repairs/costs cited: Engine replacement performed in some cases; code P0300 cleared without resolution in one case
Recalls/TSBs owners mention: Engine recalled and replaced; one replacement engine shows same symptoms
Complete Vehicle Electrical System Shutdown
Vehicle loses all electrical power, rendering it unable to lock/unlock doors, start, or communicate. One owner describes vehicle in 'dead state' with no ability to control locks. Another owner reports all dash warning lights illuminated simultaneously followed by brake and engine seizure.
When: While driving and at startup
Symptoms owners cite: Complete loss of vehicle electrical power; Unable to lock or unlock doors; Unable to start vehicle; All dash warning lights illuminate at once; Engine and brakes seize
Repairs/costs cited: No repairs documented
Engine Seized / Catastrophic Engine Failure
Engine seizes completely, with loss of power at highway speeds. Metal fragments found in oil pan upon inspection. Seizure occurs in some cases even after manufacturer recall inspection and engine replacement. One owner reports catastrophic failure at 50+ mph after failing engine replacement test.
When: 70 mph on interstate; 70 mph on multilane highway; after extended oil consumption at 95,000+ miles; at 50+ mph after recall 'fix'
Symptoms owners cite: Sudden loss of engine power at highway speeds; Engine cannot be manually turned; Engine cannot be started; Metal fragments in oil pan; Engine hesitates on acceleration; Check engine light flashes; Extreme shaking and loss of traction control
Codes mentioned: P0300
Repairs/costs cited: Engine replacement; one replacement engine shows pending failure symptoms; recall included oil service to 0W-40 viscosity and new filter; owner followed frequent oil changes
Recalls/TSBs owners mention: Recall issued including engine inspection, oil service change to 0W-40, new filter, new filler cap; manufacturers claim metal fragments and failure are due to high mileage despite owner's consistent maintenance
Synthesized from 26 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 3 most recent
Onstar Telematics Module failure. Part is on backorder with no ETA. This module failure removes the navigation, Onstar services including safety notifications, clocks can stop working, Android auto/Apple Carplay services are not functional or intermittently working. My vehicle has stalled out at a red light. GM is refusing to cover the replacement saying it is out of the bumper to bumper to…
This is a brand new vehicle with a known problem to GM yet they keep selling them and admit they cannot fix it. The audio system, including the blinker sound, is warning systems and hands free phone capabilities do not work properly, if at all. This is a distraction while driving - especially when it comes to phone use. It is deceptive and putting public safety at risk, not to mention costing…
Vehicle electronics fail leaving Vehicle in a dead state with no ability to lock or unlock doors
Had electrical trouble with your 2023 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 2023 Chevrolet Tahoe?
It's a meaningful issue. 26 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Based on the 26 complaints filed, electrical issues most often appear around 12,667 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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/2023/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.