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 MANUALSTOYOTA20254RUNNER SR5, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION SYSTEM (AL80E / AL80F) - DIAGNOSTIC CODES (1 OF 3)AUTOMATIC TRANSMISSION SYSTEMDTC P0604-44: INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR DATA MEMORY FAILURE [12/2024 - ]CAUTION / NOTICE / HINT
2025 Toyota 4Runner SR5, RWD
Caution / Notice / Hint
2025 Toyota 4Runner SR5, RWDSECTION Caution / Notice / Hint
NOTE:
- Perform the universal trip to clear permanent DTCs.
Refer to DTC CHECK / CLEAR [12/2024 - ]
- Perform utility when parts related to the automatic transmission are replaced.
Refer to UTILITY [12/2024 - ]
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.