The 2018 Suzuki DR-Z400S has 2 recalls, both concerning the same defect: a rear brake stop lamp switch that can fail to light up when the rider applies the rear brake, leaving following traffic unaware the motorcycle is slowing.
The switch contacts may not make reliable contact, meaning the brake light stays dark even as the bike decelerates. A vehicle behind the motorcycle may not have enough warning to react in time, raising the risk of a rear-end collision.
At a glance
What can fail
The rear brake light switch may have loose internal contacts that prevent the brake light from turning on when you apply only the rear brake, making it hard for drivers behind you to see you're slowing down.
What the fix does
The dealer will replace the rear brake light switch assembly.
Summarized — see the official notice for exact wording, dates, and contacts.
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At a glance
What can fail
Resin used during assembly may have stuck to the brake stop lamp switch's internal contacts, preventing the brake lamp from lighting up.
What the fix does
Dealers will replace the stop lamp switch assembly with a new one at no cost.
Summarized — see the official notice for exact wording, dates, and contacts.
