RAM 5500, 2500 +2 more: Service brakes — control unit/module

Affects RAM 5500, 2500, 4500, 3500 · 2017–2018 — about 318K vehicles.

The hazard

A loss of anti-lock brakes, electronic stability control, or traction control can increase the risk of a crash.

What to do

Dealers will replace the brake HCU, or replace the HCU motor, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed January 9, 2025. Some owner notification letters were mailed January 9, 2025. The remaining owner notification letters will be mailed at a future date, anticipated July 2026. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is C4B.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational