Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2002HIGHLANDER 4WD L4-2.4L (2AZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSRECALLSCAMPAIGN - ECM UPDATE FOR MIL ON/DTC P0420/P0430II. IDENTIFICATION OF AFFECTED VEHICLES
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
II. Identification of Affected Vehicles
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION II. Identification of Affected Vehicles
A. AFFECTED VIN RANGE
NOTE:
Not all vehicles in the VIN range are affected:
^ Check Dealer Daily/TIS to confirm the VIN is involved in this SSC. This will verify the vehicle is affected and has not already been completed prior to dealer shipment or by another dealer.
^ TMS warranty will not reimburse dealers for repairs conducted on vehicles that are not affected or were completed by another dealer.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.