393.53C Steering System Worn: Citations, Out-of-Service, CSA Points

No. Across our inspection records, code 393.53C has never resulted in an out-of-service order. Out of 50 all-time citations for steering system components worn, 0 were placed out of service, giving this code a 0.0% OOS rate. This is significantly more lenient than the all-FMCSA average of 31.4%, which means inspectors typically document the violation and let you continue operating while you arrange repairs.

Code 393.53C carries a severity weight of 7 points. These points accumulate in your carrier's Safety Management System (SMS) BASIC categories—Vehicle Maintenance and Unsafe Driving or Cargo Security, depending on context. The points decay over 12 months, so a single citation contributes most heavily in the first 30 days after issuance. Fleet managers should track these as part of broader maintenance compliance patterns.

First: document the specific steering component(s) cited (universal joints, ball joints, tie rods, drag links, or pitman arms). Second: schedule an immediate inspection of your entire steering system. Third: check your co-inspection report for related violations—our data shows brake defects and slack adjusters commonly appear alongside steering citations. Fourth: obtain a repair estimate and completion timeline. Fifth: notify your dispatcher and safety manager so they can track the repair and verify compliance before your next inspection.

It's moderately serious but rarely out-of-service. The 0.0% OOS rate is dramatically better than peer codes: inoperable required lamps (393.9) sit at 6.9% OOS; inspection/repair general standards (396.3) run 45.3%. However, 393.53C ranks #1629 out of 3,036 FMCSR codes by citation volume, so it's not the most commonly cited. The real concern is steering safety—worn components create hazard, and they often appear alongside brake and lighting defects in the same inspection.

Yes. Steering wear is a technical, vehicle-condition finding, not a documentation issue, which makes it contestable if you can present evidence that the component met standard at the time of inspection or that the inspector's measurement was inaccurate. DataQS (Docket Number FMCSA-2015-0001) allows you to submit documentation, photos, or repair records to challenge the citation. Work with your carrier's safety team or a compliance consultant to file within 45 days of the citation date.

Illinois leads with 6 citations in the last 180 days, followed by Texas with 5, and Iowa with 1. Our inspection records show concentration in these three states, though the low absolute count (12 total citations nationwide in six months) reflects the rarity of this violation. If you operate primarily in Illinois or Texas, train your drivers on pre-trip steering inspections to reduce exposure.

Medium urgency. While the code is not out-of-service-eligible, steering wear poses direct safety risk and can escalate to brake system defects. Our 90-day trend shows 5 citations, with a spike of 5 in June and 4 in November, indicating seasonal concentration. Repair within 7–14 days before your next roadside inspection opportunity. Delaying more than 30 days increases CSA point accumulation and legal liability if the worn component causes an incident.

The citation follows both. In FMCSA's Safety Management System, steering system defects are recorded under the vehicle's history and the carrier's Vehicle Maintenance BASIC category. The violation stays on your carrier's record and factors into their SMS score, which affects insurance rates, CSA percentiles, and audit priority. However, the driver is also cited for operating an unsafe vehicle, so it appears on your personal MVR if you were behind the wheel at the time of inspection.