This bulletin applies to 2017 Nissan LEAF vehicles that stop charging before being completely charged and DTCs B2840 (power delivery module), P3170 (on-board charger) and P3171 (on-board charger) are stored.

The lower radiator hose may be twisted or folded in such a way that prevents 100% coolant flow. The lower radiator hose’s white alignment mark should be at the 12 o’clock/straight up position.

Re-align the lower radiator hose so that the alignment mark is at 12 o’clock, making sure that the fold/twist is removed, and clear the DTCs.

Note the fold/twist of the lower radiator hose. -

Note the fold/twist of the lower radiator hose.

Example of correct hose alignment with the white mark at 12 o’clock. -

Example of correct hose alignment with the white mark at 12 o’clock.

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