This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
full bulletin at NHTSA ↗2015 Chevrolet Tahoe brakes problems
severe Owners of the 2015 Chevrolet Tahoe have filed 155 NHTSA complaints about the brakes, typically surfacing around 77,000 miles at roughly $450 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See brakes across all vehicles →
Failure mileage
Complaints
155
Recalls
0
Avg fix
$450
| Model year | brakes complaints |
|---|---|
| 2013 Tahoe | 3 |
| 2015 Tahoe (this page) | 155 |
| 2016 Tahoe | 73 |
| 2017 Tahoe | 35 |
| 2018 Tahoe | 12 |
12crashes
3injuries
When does it fail?
Of the 155 brakes complaints filed for the 2015 Chevrolet Tahoe, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 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
Of the 16 model years of Chevrolet Tahoe we track for brakes problems, this one carries the most owner complaints on file — 155.
Owners have filed 155 brakes 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 brakes 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 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 communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Technician will need to gain access to the body harness. Install trailer brake controller harness General Motors part number 23184088 into Middle Bus Electrical Center (X61A).
full bulletin at NHTSA ↗This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2015 Tahoe's brake system has a chronic problem centered on the engine-driven vacuum pump and brake booster. When the vacuum pump fails or loses output, the power brake assist vanishes, leaving owners with an extremely hard, unresponsive pedal—especially at low speeds, idle, and while backing up. Owners report needing to stand on the pedal or use both feet just to slow the vehicle; some describe the pedal as "rock hard." The problem shows up in parking lots, drive-throughs, stop-and-go traffic, and hillside maneuvers, often after the engine runs hot or while towing. Failures are intermittent at first, then recur more often. Many owners cite rear-end collisions, near-misses, and one incident on a mountain descent where the driver had no brake response at highway speed and relied only on the emergency brake to avoid going over a cliff.
A second consistent issue is hard, chattering brakes with extended stopping distance, sometimes accompanied by vibration from the left front. Dealers have struggled to reproduce the problem during test drives, leaving some owners unrepaired. GM issued Technical Service Bulletin PIT 5361A/B/C and multiple recalls (19V645000, 19V761000) addressing brake system hydraulics and vacuum components, but owners report repairs under those recalls have not stopped recurrence. Oil contamination in the vacuum pump and brake lines is mentioned in TSB guidance and owner reports. Out-of-warranty repairs cost around $700 for the pump alone; full brake system overhauls (pump, booster, master cylinder, lines, fluid) run higher. Warranty denial is common once mileage exceeds the bumper-to-bumper limit.
Same Chevrolet Tahoe brakes reports on nearby years: 2016 · 2017 · 2018
Failure modes owners describe
Vacuum pump failure causing loss of brake assist
Engine vacuum pump fails or loses output, eliminating brake booster assist. Brakes become hard to depress or unresponsive at low speeds and idle conditions. Owners report difficulty stopping at parking lots, drive-throughs, stop-and-go traffic, and while reversing. Without brake assist, stopping requires extreme foot pressure or cannot be achieved, creating collision and injury risk.
When: Reported across mileage range 5,000 to 176,000 miles; most common in early-to-mid vehicle life but persists through high mileage. Intermittent at first, becomes more frequent.
Symptoms owners cite: Brake pedal extremely hard or stiff, difficult to depress; Brakes unresponsive or delayed response at low speeds and idle; Vehicle continues rolling after brake pedal applied; Loss of braking power at parking lots, drive-throughs, stop-and-go traffic; Problems backing up and in reverse, especially on slopes; Brake assist warning light illuminated (when present); Failure often follows hot engine soak or towing; Intermittent initially, then recurs more frequently
Repairs/costs cited: Vacuum pump replacement is standard repair cited by dealers; some owners cite $700 replacement cost. Independent mechanics also recommend brake booster replacement. Owners report parts occasionally on backorder. One owner replaced pump and belt kit; another replaced vacuum pump and brake vacuum sensor. TSB PIT 5361A/B/C issued by GM to address vacuum pump and booster moisture penetration.
Recalls/TSBs owners mention: Recall 19V645000 (Service Brakes, Hydraulic) issued; owners report recall was implemented but failures recurred. Some dealers state repairs under recall did not resolve problem. Technical Service Bulletins issued (PIT 5361A/B/C and N192268490) but owners report coverage varies and is not mandatory. One owner cited TSB began coverage in 2019 for vehicles under 72,000 miles; mileage above threshold not covered. Warranty claims denied for out-of-warranty vehicles. Manufacturer denied several claims outright. One contact informed that case opened but no follow-up received.
Hard brake pedal with chattering/vibration and extended stopping distance
Brake pedal becomes stiff and hard to press, accompanied by chattering or vibration sensation, particularly from left front area. Vehicle requires extended stopping distance or multiple brake applications to achieve full stop. Occurs at low speeds and during repeated brake applications. Some owners describe pedal as pulsing or needing all their weight to depress.
When: Low-speed operation: parking, reversing, stop-and-go traffic, approaching traffic signals. Some owners report 2+ year duration of intermittent episodes before seeking service.
Symptoms owners cite: Brake pedal extremely stiff and difficult to press; Chattering or vibration sensation, often from left front; Vibration felt in brake pedal itself; Extended stopping distance, vehicle rolls forward despite brake application; Multiple brake applications needed to achieve full stop; Pedal pulsing sensation; Requires excessive foot pressure or full body weight on pedal; Problem worsens or becomes more frequent over time
Repairs/costs cited: Dealers have recommended or replaced: brake pads and rotors, wheel balance, brake booster, and vacuum pump. One dealer stated 'working as designed' despite symptoms. One owner cited $1,400 repair estimate following TSB recommendation. Some dealers unable or unwilling to reproduce problem during test drive.
Recalls/TSBs owners mention: Recall 19V645000 involved service brake hydraulic system; one owner received reprogramming of hydraulic brake booster via recall with no resolution. One dealership performed software reprogramming per recall without resolving hard pedal. Dealerships outside warranty deny responsibility; owners report being charged for diagnostic.
Complete brake failure at highway speed
Brake pedal becomes completely unresponsive or fails entirely during highway driving at moderate to high speeds (35–70 mph). Vehicle continues moving with brake pedal to floor. No warning prior to failure. Owners forced to use emergency/parking brake or manual steering to avoid collision.
When: Occurred at 35 mph, 60 mph, and 70 mph; downhill grades cited as risk factor. One incident on mountain descent at high speed.
Symptoms owners cite: Complete brake failure with no response to pedal depression; Brake pedal goes completely to floor; Vehicle continues at speed or coasts; No warning lights or indication before failure; Emergency brake required to stop vehicle; Risk of collision with vehicles ahead or off-road hazard
Repairs/costs cited: One owner replaced vacuum pump and belt kit; failure resolved. Another reported vacuum pump and brake booster failure diagnosis by independent mechanic; not repaired. One dealership diagnosed brake assist failure requiring vacuum pump and belt replacement.
Recalls/TSBs owners mention: One manufacturer notified and stated investigation would be conducted; vehicle was repaired. Another received notification but no assistance offered.
Electronic Brake Control Module (EBCM) failure
Electronic brake control system failure resulting in braking system warning message and loss of brake control at highway speed. Vehicle stopped independently after warning appeared. Problem recurred after restart, particularly when driving downhill.
When: At approximately 134,916 miles during highway operation; warning light illuminated while driving downhill.
Symptoms owners cite: Braking system failure message displayed at speed; Vehicle stopped independently after warning; Warning light illuminated, especially downhill; Loss of brake control at highway speed
Repairs/costs cited: EBCM was replaced at dealer.
Recalls/TSBs owners mention: Vehicle repaired. Owner noted recall 19V761000 (Service Brakes, Hydraulic, Electronic Stability Control) was completed June 2020; repair did not prevent earlier failure.
Brake pedal lock-up or seizing
Brake pedal becomes locked, seized, or unable to be depressed while vehicle is in park or at rest. Brake assist appears to activate involuntarily while parked, preventing any pedal movement. When shifted into drive or reverse, vehicle lurches forward uncontrollably despite pedal remaining locked. Pedal eventually responds after multiple depressions or vehicle restart.
When: While parked in drive or park; problem persists for period of time until reset by restart or repeated depressions.
Symptoms owners cite: Brake pedal locked or seized, unable to move; Brake assist activated involuntarily while parked; Vehicle lurches forward when shifted to drive despite locked pedal; Vehicle uncontrollable until pedal response restored; Lock-up resolves after vehicle restart or repeated pedal depressions; Brake assist continued to lock up after first incident
Repairs/costs cited: One owner reported vacuum pump 'going out' as cause; vehicle only 2 years old with 49,000 miles.
Recalls/TSBs owners mention: No manufacturer response documented in this failure type.
Master cylinder failure with fluid bypass
Internal master cylinder failure where brake fluid bypasses the piston, preventing proper brake pressure buildup. Results in loss of braking power, particularly at low speeds and idle when engine is hot. Problem occurs intermittently and becomes more pronounced during towing.
When: Intermittent failures at low speeds when engine is hot; first reported November 2017, recurred May 2018 during and after towing.
Symptoms owners cite: Intermittent brake failure at low speeds and idle when engine hot; Problem pulling into parking spots, backing up, approaching stop lights; Brake pedal to floor with pulsing; Loss of braking power when towing, persists after towing ends; Brakes work normally when test-driven by dealer
Repairs/costs cited: New master cylinder installed; GM repair diagnosed brake fluid bypassing piston.
Recalls/TSBs owners mention: GM performed repair with new master cylinder; however, same intermittent failure recurred after repair. Dealer test drive showed no issue.
Oil contamination in vacuum pump and brake lines
Oil is found in the vacuum pump, brake booster vacuum lines, or brake fluid system. Oil contamination prevents proper vacuum pump operation and vacuum booster function, resulting in loss of brake assist. TSB indicates moisture and/or oil penetration damages vacuum system components.
When: Discovered during diagnostic when brakes fail; owners report condition was present at vehicle ownership or developed over time.
Symptoms owners cite: Oil found in brake booster; Oil found in booster vacuum lines; Oil in brake fluid (discovered during service); Loss of brake assist due to contamination; Vacuum pump unable to generate adequate vacuum
Repairs/costs cited: Repairs cited include: vacuum pump replacement, brake booster replacement, vacuum sensor replacement, brake fluid flushing, brake line replacement, and complete brake system fluid replacement. One owner replaced pump, pipe, booster, cylinder, and brake fluid. TSB PIT 5361A/B/C references moisture and oil penetration requiring component replacement.
Recalls/TSBs owners mention: Technical Service Bulletin PIT 5361A/B/C issued to address moisture/oil contamination; multiple bulletins issued but coverage and mandatory nature varies. Owners report TSB coverage limited to certain mileage ranges.
Synthesized from 155 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 6 most recent
The trailer brake system alert is going off twice in a row every 45 seconds to one minute. The chiming is highly distracting while driving and seems to be a wiring issue.
When applying the brakes my car doesn't stop 100% of the time. 1 time during highway slow moving traffic, 3 times backing out of my driveway (flat surface), 4 times when on incline/decline of road. When applying brakes, horrible chattering vibration comes from left front tire area, chatter vibration is felt in brake pedal. No matter how hard I apply the brake the car keeps going - it will…
2015 Chevrolet tahoe. Consumer writes seeking reimbursement for repairs made that are associated with gm safety recall. *ld *js
After a 7 hour road trip and returning to local stop and go travel in our hometown, the brakes started vibrating and the brake pedal then went hard. It took a severe downward foot thrust to get the vehicle to stop and even then still continued to roll forward a few feet. The brakes remained hard thereafter and not safe to drive- unable to brake at that point. Luckily we were not in traffic at…
When applying brake at low speeds (under 5 MPH) the vehicle continues to roll with brake pressed all the way to floor. Eventually stops but this happens in drive and reverse...scary when parking and another car or other object is in front of you. No noise or dash display indicator.
Brake assist problems. When stopping/slow braking while being in heavy traffic, or drive thru, the brakes will vibrate and will not come to a complete stop without it rolling, almost into another vehicle. The brake petal will be stiff and the vehicle will continue to roll. This happens a lot, but seems to only happen during stop/start, bumper to bumper situations.
Had brakes trouble with your 2015 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 brakes problem on the 2015 Chevrolet Tahoe?
It's a meaningful issue. 155 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $450.
At what mileage does the brakes typically fail?
Across the 112 complaints that reported odometer mileage, most brakes failures cluster between 58,000 and 92,000 miles, with the median around 77,000. A quarter of owners report trouble before 58,000; a quarter make it past 92,000. 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 $450 for brakes 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 brakes?
No active recalls currently cover brakes 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/2015/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.