2003 Toyota Tundra Engine Problems
- Complaints
- 4about this part
- Share
- 1%of 399 total for the year
- Median mileage
- 129,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2003 Toyota Tundra, 1% of the 399 complaints for this model year. Where a mileage was given, the median is 129,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Seat belts not working properly and frayed webbing also fear of timing belt going out while driving with family and causing me and my family and/ or a oncoming vehicle to wreck and have serious injuries or multiple deaths!”
NHTSA complaint #11324229, filed 2020-05, 215,000 miles“The frame on my tundra has rusted out so bad that the engine mounts are rusted through, my truck only has 86k miles please help this is our daily driver to get to work and take the kids to school”
NHTSA complaint #11440362, filed 2021-11Related service bulletins
- 10164330Jul 1, 2019TSB: REVISION NOTICE July 01, 2019 Rev2: ? Applicability has been updated to 2019 ? 2020 model year Toyota vehicles. ? The Techstream Preparation and Process Overview sections…
- 10149217Sep 14, 2016TSB: Supersession Notice. Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are…
- 10134223Sep 15, 2015TT: The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been interrupted.
- 10096556Sep 15, 2015Tt: the vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the engine ecm has been interrupted.
- 10132529Aug 24, 2015TechTip: Condition - The vehicle may be difficult to start or have an abnormally low or rough idle after the battery has been disconnected or power to the Engine ECM has been…
- 10134128Jan 15, 2015TSB: Flash reprogramming allows the ECU software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are released as field-fix…
- 10096036Jan 15, 2015"tsb: flash reprogramming allows the ecu software to be updated without replacing the ecu. Flash calibration updates for specific vehicle models/ecus are released as field-fix…
- 10132812May 1, 2014Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 8 | 23% |
| 2025 | 47 | 33% |
| 2024 | 153 | 44% |
| 2023 | 168 | 41% |
| 2022 | 165 | 38% |
| 2021 | 1 | 4% |
| 2020 | 6 | 13% |
| 2019 | 2 | 3% |
| 2018 | 12 | 12% |
| 2017 | 5 | 6% |
| 2016 | 6 | 5% |
| 2015 | 3 | 6% |
| 2014 | 7 | 8% |
| 2013 | 23 | 27% |
| 2012 | 57 | 37% |
| 2011 | 35 | 26% |
| 2010 | 10 | 6% |
| 2009 | 5 | 13% |
| 2008 | 36 | 11% |
| 2007 | 27 | 7% |
| 2006 | 18 | 3% |
| 2005 | 10 | 3% |
| 2004 | 6 | 1% |
| 2003 | 4 | 1% |
| 2002 | 4 | 1% |
| 2000 | 8 | 1% |
Other parts of the 2003 Toyota Tundra
150 complaintsAir bags
86 complaintsSuspension
63 complaintsBrakes
41 complaintsTransmission and drivetrain
35 complaintsOther or unknown
33 complaintsFuel system
23 complaintsSteering
22 complaintsVehicle speed control
12 complaintsEngine cooling
8 complaintsSeat belts
8 complaintsTires
8 complaints
← All problems reported for the 2003 Toyota Tundra
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology