Technical Service Bulletin 04105 — 2003 TOYOTA HIGHLANDER
ENGINE AND ENGINE COOLING:ENGINE
Bulletin Details
| TSB ID | 04105 |
| Manufacturer | |
| Vehicle | 2003 TOYOTA HIGHLANDER |
| Component | ENGINE AND ENGINE COOLING:ENGINE |
| Communication Date |
Bulletin Summary
ECM CALIBRATION UPDATE. MIL ON DTC P0420 AND/OR P0430. *KB
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.