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Toyota Forklifts · AF-4
CPU abnormality (4)

What this code means

CPU abnormality (4). Vehicle effect per manual: power steering disabled.

Applies to: 7FBEF15-20 electric forklift (AC drive).

Need the part?

If diagnosis points to a failed sensor, solenoid, controller or harness part, send us the code (AF-4), machine model and serial number — we quote genuine and OEM replacement parts for export.

Source: Toyota 7FBEF15-20 Service Manual (2003), Diagnosis Code List. Single published source — confirm against the manual for your exact model before ordering parts. Compiled 2026-10-30. No manufacturer affiliation.