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Toyota Forklifts · CB-1
MB contactor abnormality
What this code means
Main (MB) contactor abnormality. Vehicle effect per manual: traveling disabled; material handling and power steering disabled, solenoids off.
Applies to: 7FBEF15-20 electric forklift (AC drive).
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If diagnosis points to a failed sensor, solenoid, controller or harness part, send us the code (CB-1), machine model and serial number — we quote genuine and OEM replacement parts for export.
Ask for the replacement part on WhatsAppSource: 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.