2003 Chevrolet TrailBlazer - Electric Vehicle Guide
The 2003 Chevrolet TrailBlazer belongs to a Chevrolet TrailBlazer lineup that Know Your Ride tracks across 4 model years, from 2002 to 2026. It is an all-electric vehicle, so it skips the oil changes, spark plugs and exhaust-system service of a combustion TrailBlazer entirely. It is configured as rear-wheel drive with an automatic 4-spd. The 2003 sits mid-run, with both earlier (2002) and later (2026) TrailBlazer model years also documented.
The high-voltage battery is covered for 8 years or 100,000 miles, separate from the bumper-to-bumper warranty. Routine upkeep centers on tire rotation, DOT 3 brake fluid, Dex-Cool battery/cabin coolant, cabin air filters and brake service rather than engine oil. Know Your Ride lists 14 scheduled maintenance items for this vehicle, the earliest interval falling at 7,500 miles. Documented torque values include lug nut 100 ft-lb.
NHTSA complaints for this vehicle cluster around electrical system (295), fuel system, gasoline (175), power train (98). A representative report reads: "Transmission doesn't have 3rd or 4th gear. Vehicle was smoking under hood. Found out after buying it it has flood damage. Mechanic said there was water in the..." There are 8 safety recalls on record; one covers: 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....
Estimated annual charging cost runs near $2,750.
Quick Specs
| Battery warranty | 8 yr / 100,000 mi |
| Est. annual charging | $2,750 |
| Coolant | Dex-Cool |
| Open recalls on record | 8 |
| Technical service bulletins | 200 |
Common Trouble Codes
- P0300 - Random/Multiple Cylinder Misfire Detected
- P0420 - Catalyst System Efficiency Below Threshold (Bank 1)
- P0171 - System too Lean (Bank 1)
- P0128 - Insufficient Coolant Temperature for Stable Operation
- P0442 - Evaporative Emission Control System Leak Detected (small leak)
- P0455 - Evaporative Emission Control System Leak Detected (gross leak)
- P0700 - Transmission Control System Malfunction
- P0301 - Cylinder 1 Misfire Detected
- U0100 - Lost Communication With ECM/PCM A
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Part of the free Know Your Ride vehicle maintenance reference. Figures are sourced from EPA, NHTSA and manufacturer data and are for general reference - always confirm with your owner's manual.