TroubleAtlas Score
CHEVROLET TRAILBLAZER (2002–2024): Technical Data, DTC & Service Schedule
Built 2002–2024 · all production years covered on this single page
1.2L I3 Turbo • Gasoline
© Wikimedia Commons CC BY-SA
TroubleAtlas Score
An independent value score for the Chevrolet Trailblazer (2002–2024) — reliability, safety, cost, parts, upkeep and documentation. Owing nothing to the manufacturer.
Scorecard · each voice 0–10
Reliabilityn/a
Safety & recallsn/a
Repair cost5.2
Parts & repairability5.4
Maintenance & durabilityn/a
Documentation & support9.2
Independent · Verified · Never for sale
Every figure on this Chevrolet Trailblazer (2002–2024) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.
The Chevrolet Trailblazer (2002–2024) uses ACDelco dexos1 0W-20 engine oil. Its battery is group H6 (BCI), rated at 760A cold-cranking amps. It is powered by a 1.2L I3 Turbo engine. Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.
Common problems
Common repairs
Fluids & lubricants
Battery
Fault codes (OBD2)
Dashboard lights
Parts comparator
Accessories & tools
Tyres
Recalls & TSB
Complaints
Workshops nearby
COMMON PROBLEMS
Engine overheatingFREQUENT
Engine temperature over limits — check coolant level, thermostat and radiator.
Related codes: P0217
Oil pressure sensor: low signalFREQUENT
ECU detects insufficient oil pressure — check oil level and sensor.
Related codes: P0522
Insufficient oil pressureFREQUENT
Oil pressure below critical threshold — stop the engine and check immediately.
Related codes: P0524
Engine control module (PCM) faultFREQUENT
Faulty ECU processor — requires specialist workshop diagnosis.
Related codes: P0606
Throttle actuatorFREQUENT
Throttle actuator motor circuit open — loss of throttle response.
Related codes: P2100
COMMON REPAIRS
Front brake pads
Difficulty: Easy
0.8h
€56 – €72
Rear brake pads
Difficulty: Easy
0.9h
€63 – €81
Engine oil change
Difficulty: Easy
0.3h
€21 – €27
ABS Module
Difficulty: Medium
2.0h
€140 – €180
AVERAGE INDICATIVE COSTS
Prices may vary by area and workshop.
Full service
€ 120 – € 200
Full brake service
€ 180 – € 300
Spark plug replacement
€ 80 – € 140
Electronic diagnosis
€ 40 – € 70
OFFICIAL LABOUR TIMES (OLP)
Standard labour hours from a database of 6.6M+ real shop operations, with an indicative labour-cost estimate for your country.
Brakes8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| ABS Module | 2.0h | € 90–€ 150 |
| ABS Pump | 2.5h | € 112–€ 187 |
| ABS Tone Ring | 1.5h | € 67–€ 112 |
| ABS Wheel Speed Sensor - Front | 0.8h | € 36–€ 60 |
| ABS Wheel Speed Sensor - Rear | 0.8h | € 36–€ 60 |
| Brake Bleed - All Four | 1.0h | € 45–€ 75 |
| Brake Booster | 2.5h | € 112–€ 187 |
| Brake Booster Check Valve | 0.3h | € 13–€ 22 |
Cooling8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Coolant Bypass Pipe | 1.5h | € 67–€ 112 |
| Coolant Flush | 1.0h | € 45–€ 75 |
| Coolant Reservoir | 0.5h | € 22–€ 37 |
| Coolant Temperature Sensor | 0.5h | € 22–€ 37 |
| Cooling Fan Assembly | 1.0h | € 45–€ 75 |
| Cooling Fan Clutch | 1.0h | € 45–€ 75 |
| Cooling Fan Motor | 1.5h | € 67–€ 112 |
| Cooling Fan Relay | 0.3h | € 13–€ 22 |
Electrical8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Airbag - Driver | 1.0h | € 45–€ 75 |
| Airbag - Passenger | 1.5h | € 67–€ 112 |
| Airbag - Side | 2.0h | € 90–€ 150 |
| Airbag Module/Computer | 1.0h | € 45–€ 75 |
| Alternator | 1.5h | € 67–€ 112 |
| Alternator Belt | 0.5h | € 22–€ 37 |
| Amplifier | 1.5h | € 67–€ 112 |
| Antenna | 0.5h | € 22–€ 37 |
Engine8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Boost Pressure Sensor | 0.5h | € 22–€ 37 |
| Camshaft Position Sensor | 1.0h | € 45–€ 75 |
| Camshaft R&R | 8.0h | € 360–€ 600 |
| Connecting Rod Bearings | 15.0h | € 675–€ 1125 |
| Crankshaft Position Sensor | 1.0h | € 45–€ 75 |
| Crankshaft R&R | 20.0h | € 900–€ 1500 |
| Cylinder Head R&R | 6.0h | € 270–€ 450 |
| Cylinder Head Resurface | 8.0h | € 360–€ 600 |
Exhaust8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Air Injection Check Valve | 0.8h | € 36–€ 60 |
| Catalytic Converter - California | 1.5h | € 67–€ 112 |
| Catalytic Converter - Direct Fit | 1.5h | € 67–€ 112 |
| Catalytic Converter - Universal | 2.0h | € 90–€ 150 |
| Downpipe | 2.0h | € 90–€ 150 |
| EGR Cooler | 3.0h | € 135–€ 225 |
| EGR Tube | 1.5h | € 67–€ 112 |
| EGR Valve | 1.0h | € 45–€ 75 |
Fuel system8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Charcoal Canister | 1.0h | € 45–€ 75 |
| EVAP Purge Valve | 0.8h | € 36–€ 60 |
| EVAP Vent Valve | 0.8h | € 36–€ 60 |
| Fuel Cap | 0.1h | € 4–€ 7 |
| Fuel Filler Neck | 1.5h | € 67–€ 112 |
| Fuel Filter | 0.5h | € 22–€ 37 |
| Fuel Filter - In-Tank | 2.0h | € 90–€ 150 |
| Fuel Injector - Single | 1.0h | € 45–€ 75 |
HVAC8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| AC Accumulator | 1.5h | € 67–€ 112 |
| AC Clutch Coil | 1.5h | € 67–€ 112 |
| AC Compressor | 2.5h | € 112–€ 187 |
| AC Compressor Clutch | 2.0h | € 90–€ 150 |
| AC Compressor Oil Add | 0.5h | € 22–€ 37 |
| AC Condenser | 2.5h | € 112–€ 187 |
| AC Evaporator | 6.0h | € 270–€ 450 |
| AC Expansion Valve (TXV) | 4.0h | € 180–€ 300 |
Steering8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Center Link/Drag Link | 1.5h | € 67–€ 112 |
| Electric Power Steering Module | 1.5h | € 67–€ 112 |
| Electric Power Steering Motor | 2.5h | € 112–€ 187 |
| Idler Arm | 1.0h | € 45–€ 75 |
| Pitman Arm | 1.2h | € 54–€ 90 |
| Power Steering Fluid Flush | 0.5h | € 22–€ 37 |
| Power Steering Gear Box | 3.5h | € 157–€ 262 |
| Power Steering Hose - High Pressure | 1.0h | € 45–€ 75 |
Suspension8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Air Line | 1.0h | € 45–€ 75 |
| Air Spring/Air Bag | 1.5h | € 67–€ 112 |
| Air Suspension Compressor | 1.5h | € 67–€ 112 |
| Air Suspension Height Sensor | 1.0h | € 45–€ 75 |
| Air Suspension Valve Block | 2.0h | € 90–€ 150 |
| Ball Joint - Lower | 1.8h | € 81–€ 135 |
| Ball Joint - Upper | 1.5h | € 67–€ 112 |
| Ball Joints - Upper and Lower | 3.0h | € 135–€ 225 |
Transmission8 operations
| Operation | Labour hours (OLP) | Est. labour cost |
|---|---|---|
| Kickdown Cable | 0.8h | € 36–€ 60 |
| Neutral Safety Switch | 1.0h | € 45–€ 75 |
| Overdrive Solenoid | 2.0h | € 90–€ 150 |
| Shift Cable | 1.5h | € 67–€ 112 |
| Shift Linkage | 1.0h | € 45–€ 75 |
| Shift Solenoid - Single | 4.1h | € 184–€ 307 |
| Shift Solenoids - All | 9.0h | € 405–€ 675 |
| Torque Converter | 6.9h | € 310–€ 517 |
WORKSHOP LABOUR RATES BY COUNTRY
Average independent-workshop hourly labour rates, to estimate repair costs in your country.
🇩🇪Germany€95/h
🇪🇸Spain€55/h
🇫🇷France€75/h
🇮🇹Italy€45/h
🇬🇧UK£80/h
🇺🇸USA$120/h
Reference rate
€45/h
Source: Eurostat 2024
💧 FLUIDS & LUBRICANTS
📋 RECALLS & TSB (29)
NHTSA 06V417000
Air Bags › Frontal
Date: 31/10/2006
CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PA…
NHTSA 04V201000
Seat Belts
Date: 28/04/2004
CERTAIN LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 209, "SEAT BELT ASSEMBLIES." ONE OF THE TWO SENSORS IN THE DRIVER'S AND FRONT PASSENGER'S SEAT BELT RETRACTORS COULD BE INOPERATIVE. THE SEAT BELT RETRACTOR…
NHTSA 20V588000
Service Brakes
Date: 24/09/2020
General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication…
NHTSA 15V599000
Visibility › Power Window Devices And Controls
Date: 24/09/2015
General Motors LLC (GM) is recalling certain model year 2006-2007 Buick Rainier, Chevrolet Trailblazer and GMC Envoy vehicles, and 2006 GMC Envoy XL and Chevrolet Trailblazer EXT vehicles. Fluid may enter into the driver's door master power window switch module, causing corrosio…
NHTSA 02V121000
Fuel System, Gasoline › Delivery › Hoses, Lines/Piping, And Fittings
Date: 23/08/2002
ON CERTAIN SPORT UTILITY VEHICLES, A FUEL FILTER FITTING CAN BECOME DISCONNECTED. IF THIS WERE TO OCCUR WHILE ATTEMPTING TO START THE ENGINE, A NO-START CONDITION WOULD RESULT AND FUEL WOULD BE PUMPED OUT THE FUEL FILTER ONTO THE GROUND.
NHTSA 03V151000
Service Brakes, Hydraulic › Foundation Components › Hoses, Lines/Piping, And Fittings
Date: 23/04/2003
CERTAIN SPORT UTILITY VEHICLES WERE BUILT WITH A LEFT-FRONT BRAKE PIPE WITH A CIRCUMFERENTIAL SCORE AT A RANDOM LOCATION ALONG THE LENGTH OF THE PIPE AS THE RESULT OF THE MANUFACTURING PROCESS. IF THE BRAKE PIPE PARTIALLY OR FULLY FRACTURED, BRAKE PEDAL TRAVEL WOULD IMMEDIATELY …
NHTSA 20V295000
Tires
Date: 21/05/2020
General Motors LLC (GM) is recalling certain 2021 Chevrolet Trailblazer vehicles factory-equipped with optional 17-inch sport terrain tires. The certification label on these vehicles does not provide the tire size and cold tire pressure information for front and rear tires, as r…
NHTSA 06E025000
Exterior Lighting › Headlights
Date: 21/03/2006
CERTAIN POLI-AUTO COMBINATION HEADLAMP ASSEMBLIES, P/NOS. 11-728, 11-728D, 11-710, 11-419, 11-713, 11-703, 11-704, 11-708P, 11-735, 11-725, 11-726, 11-716 (P&C), 11-721-1, 11-733, 11-729, 11-730, AND 11-732, SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES. SOME C…
NHTSA 03V096000
Electrical System › Wiring › Interior/Under Dash
Date: 19/03/2003
CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARDS NO. 101, "CONTROL LOCATION, IDENTIFICATION, AND ILLUMINATION" AND NO. 208, "OCCUPANT CRASH PROTECTION." THESE VEHICLES HAVE AN INTERMITTENT CONDITION DURING VEHICLE STAR…
NHTSA 01V334000
Power Train › Transfer Case (4-Wheel Drive)
Date: 17/10/2001
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES EQUIPPED WITH 4-WHEEL DRIVE. THE CALIBRATION OF THE TRANSFER CASE CONTROL MODULE COULD CAUSE INSUFFICIENT HIGH SPEED GEAR ENGAGEMENT.
NHTSA 12V406000
Electrical System
Date: 16/08/2012
General Motors (GM) is recalling certain model year 2006 Chevrolet Trailblazer EXT and GMC Envoy XL and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, SAAB 9-7x, and Isuzu Ascender vehicles, originally sold or currently registered in Connecticut, Delaware, Illinois, I…
NHTSA 03V250000
Equipment › Other › Owners/Service/Other Manual
Date: 15/07/2003
CERTAIN MINIVANS, PASSENGER AND SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, "CHILD RESTRAINT ANCHORAGE SYSTEM." THE OWNER'S MANUAL DOES NOT EXPLAIN THE MEANING OF THE LOCATION SYMBOLS FOR THE CHILD RESTRAINT LOWER…
NHTSA 15V519000
Exterior Lighting › Headlights
Date: 14/08/2015
General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles. In the affected v…
NHTSA 03V051000
Air Bags › Frontal › Driver Side › Inflator Module
Date: 14/02/2003
ON CERTAIN MINI VANS, PASSENGER AND SPORT UTILITY VEHICLES, SOME OF THESE VEHICLES HAVE A DRIVER'S SIDE AIR BAG THAT MAY NOT DEPLOY AS DESIGNED. IN ADDITION, THE AIR BAG INFLATOR COULD RUPTURE.
NHTSA 13V248000
Electrical System
Date: 13/06/2013
General Motors (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door module, causing corrosion that c…
NHTSA 01V126000
Suspension › Front › Control Arm › Lower Arm
Date: 12/04/2001
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. UNDER CERTAIN CIRCUMSTANCES THE FRONT LOWER CONTROL ARM BRACKETS MAY FRACTURE. THIS FRACTURE COULD RESULT IN SEPARATION OF THE FRONT LOWER CONTROL ARM FROM THE FRAME.
NHTSA 21V440000
Equipment › Mechanical › Accessory Scissor/Screw/Bottle Jack/Lift › Stand
Date: 10/06/2021
General Motors, LLC. (GM) is recalling certain 2020-2022 Buick Encore GX and 2021-2022 Chevrolet Trailblazer vehicles. The emergency jack, if not positioned as directed in the vehicle owner's manual, can fracture while in use.
NHTSA 02V222000
Air Bags › Frontal
Date: 09/08/2002
CERTAIN PASSENGER, MINI VANS, AND SPORT UTILITY VEHICLES HAVE AN AIR BAG INFLATOR ON THE DRIVER'S SIDE THAT COULD FRACTURE AT A WELD DURING A DEPLOYMENT.
NHTSA 05V552000
Equipment › Other › Labels
Date: 07/12/2005
CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.
NHTSA 03V075000
Power Train › Automatic Transmission
Date: 06/03/2003
CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 114, "THEFT PROTECTION." THESE VEHICLES ARE EQUIPPED WITH A MECHANICAL OVERRIDE THAT COULD ALLOW THE IGNITION KEY TO BE REMOVED WITH THE SHIFT LEVER IN A POSITION OTH…
NHTSA 05V455000
Steering › Hydraulic Power Assist › Hose, Piping, And Connections
Date: 05/10/2005
CERTAIN PASSENGER VEHICLES MAY HAVE BEEN BUILT WITH A POWER STEERING HOSE THAT IS NOT TO SPECIFICATION. UNDER EXTREME STEERING MANEUVERS, SUCH AS TURNING THE STEERING WHEEL FULLY TO THE LEFT OR RIGHT WHILE BRAKING, THE HOSE MAY FRACTURE AND LEAK FLUID.
NHTSA 01V283000
Power Train › Transfer Case (4-Wheel Drive)
Date: 05/09/2001
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES (4 WHEEL-DRIVE). SOME OF THESE VEHICLES WERE BUILT WITH A RANGE SHIFT COLLAR IN THE TRANSMISSION TRANSFER CASE THAT CONTAINS CRACKS.
NHTSA 05V198000
Exterior Lighting › Turn Signal
Date: 05/05/2005
ON CERTAIN TRUCKS AND SPORT UTILITY VEHICLES, THE DRIVER WISHING TO SIGNAL A TURN BY MOVING THE DIRECTIONAL SIGNAL LEVER, (UP OR DOWN) MAY CAUSE THE FRONT MARKER/TURN LIGHTS AND REAR TURN LIGHTS TO FLASH IN A MANNER SIMILAR TO HAZARD WARNING, RATHER THAN FLASHING ON THE DESIRED S…
NHTSA 02V273000
Structure › Body
Date: 04/10/2002
CERTAIN SPORT UTILITY VEHICLES ARE MISSING WELDS ON THE REAR FLOOR PLAN.
NHTSA 04V046000
Visibility › Windshield Wiper/Washer
Date: 04/02/2004
CERTAIN SPORT UTILITY VEHICLES HAVE WINDSHIELD WIPER SYSTEMS THAT WILL NOT TURN ON, CEASE OPERATION WHILE IN USE, FAIL TO TURN OFF/ON BY THEMSELVES (MOISTURE SENSITIVE WIPER SYSTEM), OR HAVE CONTINUOUS WINDSHIELD WASHER PUMP OPERATION BECAUSE THE PRESENCE OF WATER WITHIN THE WIPE…
NHTSA 20V537000
Seats › Critical Fasteners
Date: 03/09/2020
General Motors LLC (GM) is recalling certain 2020 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles. The rear attachment bolts of one or both front seats may not have been installed.
NHTSA 05V035000
Visibility › Windshield
Date: 03/02/2005
CERTAIN SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 212, 'WINDSHIELD MOUNTING.' THE WINDSHIELD URETHANE BEAD MAY NOT HAVE ADHERED TO THE BODY IN CERTAIN AREAS DURING THE CURE PROCESS.
NHTSA 14V404000
Visibility › Power Window Devices And Controls
Date: 02/07/2014
General Motors LLC (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door master power window switch m…
NHTSA 04V527000
Exterior Lighting › Brake Lights
Date: 01/11/2004
ON CERTAIN SPORT UTILITY VEHICLES, VIBRATION AND HEAT MAY CAUSE THE TAIL LAMP/STOP LAMP BULB TO LOOSEN IN ITS SOCKET. IF THIS OCCURS, THE BULB MAY FLICKER AND EVENTUALLY BECOME INOPERATIVE.
COMMON OBD2 CODES TO CHECK
P0420
Catalyst System Efficiency Below Threshold Bank 1
Powertrain
P0171
System Too Lean Bank 1
Powertrain
P0300
Random/Multiple Cylinder Misfire Detected
Powertrain
P0441
EVAP Incorrect Purge Flow
Powertrain
P0128
Coolant Thermostat Below Regulating Temperature
Powertrain
P0455
EVAP System Leak Detected (Gross Leak)
Powertrain
P0700
Transmission Control System (MIL Request)
Powertrain
P0507
Idle Air Control System RPM Higher Than Expected
Powertrain
P0174
System Too Lean Bank 2
Powertrain
All documented fault codes for this vehicle
The most documented diagnostic codes for this model, by system and severity. Tap a code for the full guide.
P1014
powertrain
MODERATEP1012
powertrain
MODERATEP1011
powertrain
MODERATEP1516
powertrain
HIGHP1811
powertrain
HIGHP1884
powertrain
LOWP1875
powertrain
MODERATEP1870
powertrain
HIGHP1860
powertrain
MODERATEP1812
powertrain
CRITICALP1810
powertrain
HIGHP1632
powertrain
HIGHP1629
powertrain
HIGHP1626
powertrain
HIGHP1599
powertrain
MODERATEP1554
powertrain
MODERATEP1517
powertrain
HIGHP1515
powertrain
HIGHP1514
powertrain
HIGHP1483
powertrain
HIGH
DASHBOARD WARNING LIGHTS — UNIVERSAL GUIDE
53 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.
Show all dashboard warning lights
🔴 IMMEDIATE STOP — pull over
Oil Pressure WarningEngine
Engine Temperature WarningCooling
Brake System WarningBrakes
Immobilizer / Key FaultSecurity
🟠 WARNING — check soon
Malfunction Indicator Light (MIL) / Check EngineEngine
Diesel Particulate Filter (DPF)Emissions
Battery / Charging SystemElectrical
Low Fuel WarningFuel
ABS WarningBrakes
Brake Pad Wear IndicatorBrakes
Electronic Parking Brake (EPB)Brakes
Power Steering WarningSteering
ESC / Stability Control FaultChassis
Tire Pressure Warning (TPMS)Chassis
Transmission Temperature WarningTransmission
Transmission / Gearbox FaultTransmission
Airbag / SRS WarningActive safety
EGR / Exhaust Gas Recirculation FaultEmissions
Catalytic Converter / Emissions FaultEmissions
AdBlue / DEF Level LowEmissions
Coolant Level LowCooling
Hybrid / EV System WarningHybrid
EV Charge System FaultHybrid
12V Battery (Hybrid/EV Auxiliary)Hybrid
Suspension Fault / Air SuspensionSuspension
CAN Bus / Network Communication FaultNetwork
Water in Fuel FilterFuel
Diesel Injector FaultFuel
Steering Angle Sensor FaultSteering
Turbo / Boost Pressure FaultEngine
Regenerative Braking Fault (Hybrid/EV)Hybrid
🟡 MONITOR
Fuel Cap / Evap SystemEmissions
4WD / AWD SystemDrivetrain
Bulb Failure WarningLighting
Headlight Range / Leveling FaultLighting
Service / Maintenance DueMaintenance
A/C System FaultHvac
Clutch Wear WarningTransmission
Cruise Control / ACC FaultADAS
🔵 INFORMATION
Engine Temperature Low (Blue)Cooling
Glow Plug / Diesel PreheatEngine
Traction Control / ESC OffChassis
Seatbelt ReminderActive safety
Rear Fog Light IndicatorLighting
Lane Departure / LDWS WarningADAS
Forward Collision Warning (FCW/AEB)ADAS
Blind Spot Monitor FaultADAS
Rear Parking Sensor / Camera FaultADAS
Windshield Washer Fluid LowMaintenance
Door Open WarningBody
Hood / Trunk Open WarningBody
Gear Shift Indicator (Manual)Transmission
Sport / Performance Mode ActiveTransmission
REPORTED COMPLAINTS & PROBLEMS (NHTSA)
8306 owner complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) for the Chevrolet Trailblazer across model years 2002–2024. These are real, verified reports submitted by vehicle owners.
402 crash reports 258 fires 429 injuries 29 deaths
Complaints by model year (most reported first)
Model year 20051733
Model year 20041368
Model year 20061346
Model year 20021264
Model year 20031239
Model year 2007782
Model year 2008195
Model year 2021171
Most reported components (all years)
Electrical System2666
Fuel System2034
Gasoline1698
Exterior Lighting847
Power Train754
Fuel/Propulsion System421
Sample reports
The rear hatch interior trim that seals the hatch from exterior elements and sounds continuously comes off, even after having dealership to repair/replace. The trim will not remain in place and is a distraction while driving and hearing… (MY 2021)
I have brought my car into the dealership over the last few years at least 6 times for the same issues. Currently there are two codes coming up as permanent on my car which is for the Evaporative Emission System Flow and Brake Booster Hy… (MY 2021)
MY SPEEDOMETER STOPPED WORKING MY GAS GAIGE STOPPED WORKING AND MY ODOMETER WENT OUT CANT SEE THE MILELAGE AND I DONT KNOW HOW MUCH GAS IS IN THE TAKE,AND THE SPEED IS MOT WORKING.I REMEMBER A RECALL AWHILE AGO IF YOU HAD THE PROBLEM THE… (MY 2005)
TL* THE CONTACT OWNS A 2002 CHEVROLET TRAILBLAZER. WHILE OPERATING THE VEHICLE, ALL THE EXTERIOR LIGHTS RANDOMLY SHUT ON AND OFF. WHILE DRIVING AT VARIOUS SPEEDS, THE TRANSMISSION WOULD SUDDENLY SWITCH TO FIRST GEAR AND CAUSED THE SPEED… (MY 2002)
Source: NHTSA complaints database (U.S. data.gov). Figures cover production years 2002–2024.
Frequently Asked Questions
Does the Chevrolet Trailblazer have any safety recalls?
Yes — 29 official NHTSA recall campaign(s) affect this model, mainly: EXTERIOR LIGHTING:BRAKE LIGHTS, POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE), EXTERIOR LIGHTING:HEADLIGHTS. Check the recalls section for your exact year/VIN.
What does fault code P0003 mean on the Chevrolet Trailblazer?
Fuel Volume Regulator Control Circuit Low This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0002 mean on the Chevrolet Trailblazer?
Fuel Volume Regulator Control Circuit Range/Performance This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
What does fault code P0001 mean on the Chevrolet Trailblazer?
Fuel Volume Regulator Control Circuit/Open This code is among the most documented for this model — tap it in the OBD2 section for the full step-by-step guide.
Are engine problems common on the Chevrolet Trailblazer?
Yes — 653 of 4000 real owner reports filed with NHTSA mention the engine. One owner reported: “TL* THE CONTACT OWNS A 2002 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS WITH AIR CONDITIONER ACTIVATED, THE VEHICLE STALLED WITH THE CHECK ENGINE WARNING LIGHT ILLUM…” See the owner-reported complaints section below for more.
Are fuel system problems common on the Chevrolet Trailblazer?
Yes — 675 of 4000 real owner reports filed with NHTSA mention the fuel system. One owner reported: “BAD FUEL LEAK COMING FROM DRIVERS SIDE OF VEHICLE, UNDER VEHICLE. MIDDLE OF VEHICLE. VERY DANGEROUS. PARKED ON STREET. BAD FUEL LEAKING.…” See the owner-reported complaints section below for more.
Are electrical problems common on the Chevrolet Trailblazer?
Yes — 1249 of 4000 real owner reports filed with NHTSA mention the electrical. One owner reported: “I was driving on the highway going 65mph which is the legal speed limit. I got cut off by a driver and light tapped my brakes to slow the vehicle down. When I did so the vehicle then swerved to the le…” See the owner-reported complaints section below for more.
What is the right battery for the Chevrolet Trailblazer (2002–2024)?
The battery specified for the Chevrolet Trailblazer (2002–2024) is group H6 (BCI), with a cold cranking rating of 760A. See the Battery section on this page for the main cross-references between brands.
What engine oil should I use on the Chevrolet Trailblazer (2002–2024)?
The engine oil specification for the Chevrolet Trailblazer (2002–2024) is ACDelco dexos1 0W-20. Always use the viscosity grade approved by the manufacturer: a different oil can reduce engine protection and void the warranty. Check the change interval in the Maintenance section.
Which OBD2 fault codes are commonly documented for the Chevrolet Trailblazer (2002–2024)?
Commonly documented OBD2 codes across many vehicles include: P0420, P0300, P0171. Find the full description, likely causes and estimated repair costs in the OBD2 Codes section on this page.
How often should the Chevrolet Trailblazer (2002–2024) be serviced?
Routine maintenance for the Chevrolet Trailblazer (2002–2024) typically includes an oil change every 6,000–9,000 miles (10,000–15,000 km), an air filter every 12,000–18,000 miles (20,000–30,000 km) and a brake inspection every 12,000 miles (20,000 km). Check the full plan with specific intervals in the Scheduled Maintenance section on this page.
Have a specific fault code on your Chevrolet Trailblazer (2002–2024)? Search the code in the OBD2 section of this page or use the full TroubleAtlas DTC database. Need tyres? Compare prices and compatible sizes in the TroubleAtlas comparator.