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 MANUALSTOYOTA2025HIGHLANDER XLE, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALSTARTERSTOP AND START SYSTEM - DIAGNOSTIC CODES (1 OF 3)STOP AND START SYSTEMDTC P062F-44: INTERNAL CONTROL MODULE EEPROM DATA MEMORY FAILURE [10/2022 - ]TYPICAL ENABLING CONDITIONS
2025 Toyota Highlander XLE, FWD
Typical Enabling Conditions
2025 Toyota Highlander XLE, FWDSECTION Typical Enabling Conditions
ALL
| Monitor runs whenever the following DTCs are not stored | None |
CASE 1
| All of the following conditions are met | - |
| Permanent Fault Code | Not stored |
| OBDII system commands | Store |
| Battery voltage | 8 V or higher |
CASE 2
| All of the following conditions are met | - |
| Permanent Fault Code | Stored |
| OBDII system commands | Clear |
| Battery voltage | 8 V or higher |
CASE 3
| Battery voltage | 8 V or higher |
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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.