The 2013 Tahoe Hybrid uses GM's 2-Mode hybrid system mated to a 6.0L V8—complex, powerful, and expensive when things go wrong. The hybrid components themselves are reasonably reliable, but the 6.0L Vortec has well-documented oiling and bearing issues that can lead to catastrophic engine failure.
6.0L V8 AFM (Active Fuel Management) Lifter and Camshaft Failure
Common · high severity
Typical onset: 80,000-150,000 mi
Symptoms: Ticking or tapping noise from engine, especially on cold start, Check engine light with P0300-series misfire codes or P0521 oil pressure code, Loss of power, rough idle, or dead cylinder, Metal shavings in oil during changes
Fix: AFM lifters collapse and wipe out camshaft lobes. Requires heads-off repair: camshaft replacement, all 16 lifters, often pushrods, and thorough oiling system flush. 18-24 labor hours. Many techs disable AFM during repair to prevent recurrence.
Estimated cost: $3,500-6,000
Hybrid Battery Pack Degradation and Cell Failure
Occasional · medium severity
Typical onset: 120,000-180,000 mi
Symptoms: Reduced fuel economy (MPG drops noticeably), Hybrid system warning messages on DIC, Loss of electric-only mode or reduced assist, P1AA9, P0A7F, or P0A80-series hybrid battery codes
Fix: 330V NiMH battery pack lives under second-row seat. Individual cell replacement possible but labor-intensive (12-16 hours). Most shops replace entire pack. Aftermarket refurbished packs available but warranty varies.
Estimated cost: $3,000-7,000
2-Mode Transmission Internal Clutch and Solenoid Issues
Occasional · high severity
Typical onset: 100,000-150,000 mi
Symptoms: Harsh or delayed shifts between electric and gas modes, Clunking or shuddering during gear changes, Check engine light with P0700, P0776, or transmission-related codes, Transmission slipping or stuck in one mode
Fix: The 2-Mode hybrid transmission is a specialized unit—not a standard 6L80. Internal clutch packs, electric motor bearings, or solenoids fail. Requires transmission removal and rebuild by hybrid-certified shop. 16-20 labor hours.
Estimated cost: $4,500-7,500
Transmission Oil Cooler Line and Radiator Tank Leaks
Common · medium severity
Typical onset: 90,000-140,000 mi
Symptoms: Pink or red fluid under vehicle (ATF), Transmission overheating warnings, Low transmission fluid on dipstick, Sweet smell or pinkish fluid mixing in coolant reservoir
Fix: Steel cooler lines rust through at frame mount points; radiator end tanks crack where trans lines connect. Line replacement is 2-3 hours; if radiator compromised (ATF in coolant), full cooling system flush required plus radiator. Catch early or risk transmission damage.
Estimated cost: $600-1,800
Main and Rod Bearing Wear Leading to Engine Knock
Occasional · high severity
Typical onset: 120,000-200,000 mi
Symptoms: Deep knocking or rattling noise from bottom end, worse under load, Low oil pressure warnings or gauge readings below 20 psi at idle, Metal flakes or sludge in oil pan, Sudden catastrophic failure if ignored
Fix: The 6.0L has marginal oiling to main and rod bearings, especially if oil changes were stretched. Requires full shortblock replacement or engine rebuild: crank polishing, bearing replacement, often pistons/rings. 24-30 labor hours. Many opt for reman longblock.
Estimated cost: $6,000-10,000
Hybrid Cooling System Pump and Auxiliary Fan Failures
Occasional · medium severity
Typical onset: 80,000-130,000 mi
Symptoms: Hybrid overheat warnings on dash, Electric motor performance reduced or disabled, Whining or grinding noise from under vehicle (pump), Coolant leaks near hybrid battery area
Fix: Hybrid system has dedicated cooling loop with electric pump and auxiliary fan. Pump seals leak or impeller fails; fan motors burn out. Pump replacement is 3-4 hours with battery pack removal for access. Fan is 2 hours.
Estimated cost: $800-1,500
Owner tips
Disable AFM with a Range delete kit or programmer at first sign of lifter noise—far cheaper than engine teardown
Use full synthetic oil (5W-30 dexos) and change every 5,000 miles max; the 6.0L is oil-change sensitive
Inspect transmission cooler lines annually for rust and replace proactively around 100k miles
Budget $500/year for hybrid system diagnostics and software updates—find a shop with GM Tech2 or MDI scanner
Monitor hybrid battery health with scan tool—individual cell voltage variance over 0.5V indicates replacement needed soon
Buy only with full service records and a pre-purchase inspection by a hybrid-certified tech; the fuel savings disappear fast when the $5k+ repair bills start rolling in after 100k miles.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 21V053000
2021-02-05 · EA15001
General Motors, LLC (GM) is recalling certain 2013 Cadillac Escalade, Escalade ESV, and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500/3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500/3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A."
Additionally, GM is recalling certain 2010 Cadillac Escalade, Escalade ESV, and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500/3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500/3500, Yukon, and Yukon XL vehicles originally sold, or ever registered in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B."
Additionally, GM is recalling certain 2009 Cadillac Escalade, Escalade ESV, and Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500/3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500/3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C."
Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.
Remedy: GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 24, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed on May 11, 2021. Owners may contact Cadillac customer service at 1-800-458-8006; Chevrolet customer service at 1-800-222-1020; and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328790.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 21V054000
2021-02-05 · EA15001
General Motors, LLC (GM) is recalling certain 2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of AL, CA, FL, GA, HI, LA, MS, SC, TX, PR, AS, GU, the MP, and VI or "Zone A."
Additionally GM is recalling certain 2011-2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, Yukon XL and 2011-2013 Cadillac Escalade EXT, Chevrolet Avalanche, Silverado 1500, and GMC Sierra 1500 vehicles originally sold, or ever registered, in the states of AZ, AR, DE, DC, IL, IN, KS, KY, MD, MO, NE, NV, NJ, NM, NC, OH, OK, PA, TN, VA, and WV or "Zone B."
Additionally, GM is recalling certain 2010-2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, and Yukon XL and 2010-2013 Cadillac Escalade EXT, Chevrolet Avalanche, Silverado 1500, and GMC Sierra 1500 vehicles originally sold, or ever registered, in the states of AK, CO, CT, ID, IA, ME, MA, MI, MN, MT, NH, NY, ND, OR, RI, SD, UT, VT, WA, WI, and WY or "Zone C."
These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.
Remedy: GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 25, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed to 40 VIN owners on May 11, 2021. A second owner notification letter was mailed to all other owners on January 24, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328800.
ELECTRICAL SYSTEM · 14V614000
2014-10-01
General Motors LLC (GM) is recalling certain model year 2013-2014 Cadillac CTS, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL, and 2014 Buick Enclave, Chevrolet Express, Impala, Silverado HD, Traverse, GMC Acadia, Savana, and Sierra HD vehicles. In the affected vehicles, the chassis electronic module may be internally contaminated, resulting in an electrical short.
Consequence: If the module experiences an electrical short, the vehicle could stall, increasing the risk of a crash.
Remedy: GM will notify owners, and dealers will replace the chassis electronic module, free of charge. The recall began on December 26, 2014. Owners may contact GM customer service at 1-800-521-7300 (Buick), 1-800-458-006 (Cadillac), 1-800-222-1020 (Chevrolet), and 1-800-462-8782 (GMC). GMs number for this recall is 14515.
General Motors (GM) is recalling certain model year 2013 Cadillac Escalade, Escalade ESV, and Escalade EXT; Chevrolet Avalanche, Express, Silverado HD, Silverado LD, Suburban, and Tahoe; and GMC Savana, Sierra HD, Sierra LD, Yukon, and Yukon XL vehicles, manufactured between November 7, 2012, through December 18, 2012, for failing to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 102, "Transmission Shift Lever Sequence, Starter Interlock, and Transmission Braking Effect", and FMVSS No. 114, "Theft Protection and Rollaway Prevention." The vehicles may have been built with a fractured park lock cable or a malformed steering column lock actuator gear in the lock module assembly.
Consequence: As a result, the vehicle may shift from Park with the ignition key removed or the ignition key in the OFF position. The vehicle may also shift out of Park without application of the brake pedal while the key is off. Either of these scenarios may cause the vehicle to roll away after the driver has exited the vehicle, resulting in a possible vehicle crash and/or injury.
Remedy: GM will notify owners, and dealers will inspect the affected vehicles and replace the steering column as necessary, free of charge. The recall began on January 21, 2013. Chevrolet owners may call 1-800-630-2438. Cadillac owners may call 1-866-982-2339. GMC owners may call 1-866-996-9463.
Performance
Horsepower
332hp
Torque
367lb-ft
0–60 mph
8.4sec
Quarter mile
16.4sec
Top speed
100mph
Fuel economy (EPA)
City
20mpg
Highway
23mpg
Combined
21mpg
Fuel
Regular Gasoline
Capability & size
Towing capacity
6,200lb
Payload
1,493lb
Curb weight
5,933lb
EPA class
Standard Sport Utility Vehicle 2WD
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2013 Chevrolet Tahoe Hybrid 6.0L V8 Hybrid and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.