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 BULLETINSCUSTOMER INTERESTBRAKES - ABS LAMP/MIL ON/DTC P0500 SET
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)
Brakes - ABS Lamp/MIL ON/DTC P0500 Set
2002 Toyota Highlander 4WD L4-2.4L (2AZ-FE)SECTION Brakes - ABS Lamp/MIL ON/DTC P0500 Set
ENGINE
EG004-02
Title:
M.I.L. "ON" DTC P0500
Models:
'01 - '02 Highlander
February 22, 2002
Introduction
Some owners of 2001 or 2002 model year Highlander vehicles without the VSC option may experience a M.I.L. "ON" condition with Diagnostic Trouble Code P0500 present in the system and may complain that the ABS light is illuminated. An updated Skid Control ECU has now been made available to correct this condition.
Applicable Vehicles
^ 2001 - 2002 model year Highlander vehicles produced before the VIN shown below.

Production Change Information

Parts Information
Repair Procedure
1. Investigate the vehicle as per the 2001 Highlander Repair Manual, Volume 1, Section 05, pages 98-100.
2. If no problem is found, replace the Skid Control ECU, per the 2001 Highlander Repair Manual, Volume 1, Section 32, page 52.

Warranty Information
Applicable Warranty *:
This repair is covered under the Toyota Comprehensive Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
EG004-02
Title:
M.I.L. "ON" DTC P0500
Models:
'01 - '02 Highlander
February 22, 2002
Introduction
Some owners of 2001 or 2002 model year Highlander vehicles without the VSC option may experience a M.I.L. "ON" condition with Diagnostic Trouble Code P0500 present in the system and may complain that the ABS light is illuminated. An updated Skid Control ECU has now been made available to correct this condition.
Applicable Vehicles
^ 2001 - 2002 model year Highlander vehicles produced before the VIN shown below.
Production Change Information
Parts Information
Repair Procedure
1. Investigate the vehicle as per the 2001 Highlander Repair Manual, Volume 1, Section 05, pages 98-100.
2. If no problem is found, replace the Skid Control ECU, per the 2001 Highlander Repair Manual, Volume 1, Section 32, page 52.
Warranty Information
Applicable Warranty *:
This repair is covered under the Toyota Comprehensive Warranty. This warranty is in effect for 36 months or 36,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.