2019–2020 Thomas Built Buses Saf-T-Liner C2 Recall: An electrical overload on the auxiliary circuit may cause the ignition…
NHTSA campaign 18V929000 · Electrical System · filed Dec 21, 2018 · verified Jul 30, 2026
The defect
Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Thomas Built Saf-T-Liner C2 buses equipped with an optional auxiliary outlet powered by the ignition and accessory power circuits. An electrical overload on the auxiliary circuit may cause the ignition fuse to open and the engine to shut down.
The risk
An engine shutdown without the ability to restart increases the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
DTNA has notified owners, and dealers will modify the wiring to prevent the power port from affecting the ignition circuit, free of charge. DTNA mailed owners an interim letter on February 1, 2019 to notify them of the issue. The recall began on August 27, 2019. Owners may contact Daimler Trucks North America customer service at 1-800-547-0712. DTNA's number for this recall is FL-804.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Thomas Built Buses | Saf-T-Liner C2 | 2019, 2020 |
Related recalls
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Other campaigns involving Thomas Built Buses vehicles
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- 2026–2027 Thomas Built Buses Saf-T-Liner HDX2 — Entrance door may fail to open or close when the switch is…
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All Thomas Built Buses Saf-T-Liner C2 recalls → · All Thomas Built Buses recalls →
Source: NHTSA recall database, campaign 18V929000 (manufacturer number FL-804). Data last verified Jul 30, 2026.