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February 25, 2025 Warranty extension

Conventional coolant level sensor – AB1Q0

Hino technical service bulletin 167-W2503-1 for 2022-2023 Hino Conventional Models.

Bulletin number
167-W2503-1 (AB1Q0)
Component
Engine
Summary
CONVENTIONAL COOLANT LEVEL SENSOR – AB1Q0 Due to an internal malfunction of the Coolant level sensor, the MIL may be illuminated or the “Low coolant level” warning light may be illuminated intermittently with a “Low coolant” message on the instrument cluster regardless of the amount of coolant.

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