393.53BMAN — Steering system components worn
FMCSA violation code under Vehicle Maintenance. 2,735 events recorded in roadside inspections. Severity weight: 7.
Violation Description
Steering system components (universal joints, ball joints, tie rods, drag links, pitman arms) are worn, fatigued, or defective.
About This Violation Code
Code 393.53BMAN falls under the Vehicle Maintenance BASIC category in FMCSA's Safety Measurement System (SMS). It carries a severity weight of 7 (scale 1-10, higher = more severe).
When this violation is cited during a roadside inspection, it contributes to the carrier's Vehicle Maintenance BASIC score. Carriers with high BASIC percentiles may be prioritized for FMCSA interventions including warning letters, investigations, or compliance reviews.
Regulatory Reference
Federal Motor Carrier Safety Regulations
This violation references 49 CFR 393.53BMAN in the Federal Motor Carrier Safety Regulations.
Top Enforcing States
Where 393.53BMAN is most commonly cited (last 180 days)
Click a state to see roadside inspection activity, top stations, and carrier profiles in that jurisdiction.
Citation Trend (12 months)
Monthly count of 393.53BMAN citations. Red bars mark months with OOS-triggering citations.
Most Active Stations
Inspection stations citing 393.53BMAN most often (last 180 days)
Often Cited Together
Other violations commonly found on the same inspection (last 90 days)
Citation patterns suggest related root causes (e.g., HOS violations paired with logbook errors).
Top Carriers Cited
Ranked by frequency • 1,941 carriers total • Page 1 of 78
Top Carriers with 393.53BMAN Violations
Showing 25 of 1,941
Recent Inspections
Latest inspections where 393.53BMAN was cited • 2,735 total events • Page 1 of 110
Recent Inspections with 393.53BMAN
Showing 25 of 2,735
| Date | Report # | State | Level | OOS |
|---|---|---|---|---|
| Apr 1, 2026 | 87477930 | MI | Level 1 | No |
| Apr 1, 2026 | 87484754 | AZ | Level 1 | No |
| Apr 1, 2026 | 87487591 | TX | Level 1 | No |
| Apr 1, 2026 | 87483661 | AZ | Level 1 | No |
| Apr 1, 2026 | 87487378 | TX | Level 1 | No |
| Apr 1, 2026 | 87478885 | TX | Level 1 | No |
| Apr 1, 2026 | 87487477 | TX | Level 1 | No |
| Apr 1, 2026 | 87475038 | US | Level 1 | No |
| Apr 1, 2026 | 87479342 | TX | Level 1 | No |
| Mar 31, 2026 | 87474187 | SC | Level 1 | No |
| Mar 31, 2026 | 87472492 | MD | Level 1 | No |
| Mar 31, 2026 | 87457719 | MD | Level 1 | No |
| Mar 31, 2026 | 87468923 | TX | Level 2 | No |
| Mar 31, 2026 | 87474022 | MD | Level 1 | No |
| Mar 31, 2026 | 87487439 | TX | Level 1 | No |
| Mar 30, 2026 | 87479448 | TX | Level 1 | No |
| Mar 30, 2026 | 87479235 | TX | Level 2 | No |
| Mar 30, 2026 | 87468307 | TX | Level 1 | No |
| Mar 27, 2026 | 87443226 | TX | Level 1 | No |
| Mar 27, 2026 | 87479035 | TX | Level 1 | No |
| Mar 27, 2026 | 87468269 | TX | Level 1 | No |
| Mar 27, 2026 | 87441102 | TX | Level 1 | No |
| Mar 26, 2026 | 87468670 | TX | Level 1 | No |
| Mar 26, 2026 | 87442724 | TX | Level 1 | No |
| Mar 26, 2026 | 87442435 | TX | Level 1 | No |