The 2023 Colorado ZR2 with the 2.7L turbo is still early in its lifecycle, but catastrophic engine failures are emerging as the dominant concern—unacceptable for a truck this new and expensive.
Catastrophic 2.7L Turbo Engine Failure
Occasional · high severity
Typical onset: 15,000-50,000 mi
Symptoms: Sudden loss of power with metallic knocking or rattling, Check engine light with misfire codes or low oil pressure warnings, Metal shavings in oil during routine changes, Engine seizure requiring tow-in
Fix: Complete engine replacement or rebuild required—pistons, rings, bearings, and often crankshaft damage. GM has issued TSBs but warranty coverage is inconsistent. Expect 20-30 labor hours for short block replacement, 35-45 hours for full rebuild.
Estimated cost: $8,000-15,000
Transmission Oil Cooler Failure
Occasional · medium severity
Typical onset: 30,000-60,000 mi
Symptoms: Transmission fluid leaking near radiator area, Pink or milky coolant indicating cross-contamination, Transmission overheating warnings on dash, Harsh shifting or slipping after fluid contamination
Fix: Replace transmission oil cooler and flush both cooling system and transmission. If contamination occurred, transmission may need complete rebuild. Cooler replacement is 3-4 hours; add 8-12 hours if transmission flush/rebuild needed.
Symptoms: Clunking when shifting from park to drive or reverse, Excessive vibration at idle or under acceleration, Visible separation or tearing of rubber mount components, Drivetrain movement felt through cab floor
Fix: Replace failed transmission mount—common on ZR2 models due to off-road stress and torque from the turbo engine. Straightforward job at 1.5-2 hours labor.
Estimated cost: $300-500
Fuel System Contamination/Filter Clogging
Occasional · medium severity
Symptoms: Hard starting or extended cranking, Loss of power under load or acceleration, Engine stumbling or misfiring, Fuel pressure fault codes
Fix: Some 2023 models left factory with contaminated fuel systems or inadequate filtration. Requires fuel filter replacement and sometimes full fuel system flush including tank drop. Filter replacement alone is 1-2 hours; full system service is 4-6 hours.
Estimated cost: $400-800 (filter), $1,200-2,000 (full system flush)
Turbocharger Wastegate Rattle
Common · low severity
Typical onset: 10,000-40,000 mi
Symptoms: Rattling noise from engine bay on cold starts, Metallic rattle at idle that disappears under load, No performance loss or check engine light
Fix: Wastegate actuator rod develops play—more annoying than dangerous. GM has replaced turbos under warranty but many units return with same issue. If out of warranty, turbo replacement runs 6-8 hours labor.
Estimated cost: $1,800-2,800
Owner tips
Change oil every 5,000 miles maximum with quality full synthetic—this engine is extremely sensitive to oil maintenance
Monitor coolant and transmission fluid for cross-contamination every oil change
Keep detailed service records if engine-related concerns appear—critical for warranty claims
Consider extended warranty specifically covering engine internals if buying used
Hard pass unless still under full factory powertrain warranty—the engine failure pattern is too severe and unpredictable for a 2023 model year truck.
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.
Fitment notes: AGM battery required for start-stop system; H6 group also fits
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Every control module on the 2021-2023 Chevrolet Colorado ZR2 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Fuel Pump Control Module (FPCM)0.8 hr R&Rno coding3.6L V6 and 2.7L turbo I4 gasoline only▸ programming details
📍 Left frame rail below driver door, near fuel tank
⚠️ Diesel models do not use FPCM; fuel system controlled directly by ECM
Driver Information Center (DIC)0.8 hr R&Rsecurity gateway +0.8 hr
📍 Integrated with instrument cluster module
🔧 GM SPS2 / ACDelco TDS with SGW unlock
⚠️ Not a separate module; functionality integrated with IPC. Listed for reference only
Headlamp Control Module (HCM)0.6 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Behind left headlamp assembly in engine bay
🔧 GM Tech 2 or aftermarket scan tool
⚠️ Controls automatic headlamps, DRL, fog lamps. LED headlamps standard 2021+
Rear Vision Camera Module (RVCM)0.5 hr R&Rno coding
📍 Integrated with tailgate handle camera assembly
⚠️ Standard equipment. Camera calibration not required; plug-and-play replacement
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
General Motors, LLC (GM) is recalling certain 2023-2024 Chevrolet Colorado and 2023 GMC Canyon vehicles. The left or right front seat may have a seat belt buckle attachment bolt that was not tightened properly.
Consequence: A loose seat belt may not properly restrain an occupant in a crash, increasing the risk of injury.
Remedy: Dealers will tighten the left and right front seat belt buckle attachment bolts, free of charge. Owner notification letters were mailed October 30, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N242453720.
WHEELS:LUGS/NUTS/BOLTS/STUDS · 24V237000
2024-03-28
General Motors, LLC (GM) is recalling certain 2023 Chevrolet Colorado and GMC Canyon vehicles. The front wheel hub bolts may have been over-tightened and damaged during installation.
Consequence: Damaged bolts may loosen or break, which can result in a loss of vehicle control and increase the risk of a crash.
Remedy: Dealers will replace the left and right front wheel hub bolts, free of charge. Owner notification letters were mailed April 10, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232431480.
General Motors, LLC (GM) is recalling certain 2023 Chevrolet Colorado and GMC Canyon vehicles. The front camera module (FCM) system may falsely detect an obstacle, causing the automatic emergency braking (AEB) to engage unexpectedly.
Consequence: Unexpected automatic emergency braking can cause the vehicle to abruptly stop or slow down, increasing the risk of a crash.
Remedy: Dealers will update the front camera module (FCM) software, free of charge. Owner notification letters were mailed April 5, 2024. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is A232424660.
Performance
Horsepower
310hp
Torque
430lb-ft
0–60 mph
6.3sec
Quarter mile
14.8sec
Top speed
112mph
Fuel economy (EPA)
City
16mpg
Highway
16mpg
Combined
16mpg
Fuel
Regular Gasoline
Capability & size
Towing capacity
5,500lb
Payload
1,240lb
Curb weight
5,150lb
EPA class
Small Pickup Trucks 4WD
Wiper blades
ZR2 off-road trim uses same wiper specs as redesigned Colorado (third gen). Pickup trucks do not have rear wipers.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2023 Chevrolet Colorado ZR2 2.7L I4 Turbo HO and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.