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Trailer ABS Diagnostics & Brake System Support

A trailer ABS warning or brake concern deserves attention before it becomes a bigger interruption. If you are dealing with a warning light, uneven braking behavior or a system fault, send the details to UGL Trailer Services in Montgomery so the team can diagnose it and plan the repair.

Tandem axles and rear lights of a white dry-van trailer

Start With the Symptom, Not a Guess

A warning indicator alone never confirms a diagnosis. Tell us what you see and when it happens.

Trailer ABS Warning Light

An active or recurring ABS warning can point to a range of underlying faults. Share when the light appears and any recent work or inspection notes.

Inspection-Related Defects

If a technician or inspection report identified an ABS, brake or electrical defect, attach the report so the service team can understand what was flagged.

Brake or Air-System Concerns

Describe unusual braking behavior, air concerns or related symptoms. We inspect and repair trailer brakes and air systems.

Trailer Lights & Wiring

Faulty lamps, damaged connectors or intermittent electrical issues can disrupt service. Include details of the affected lights and any recent trailer connection problems.

Safety First

If a trailer’s braking performance appears compromised or the equipment may be unsafe, do not continue operating it. Have the condition evaluated by qualified service personnel before returning the equipment to service.

Call the Shop

What to Include With Your Request

  1. Trailer make/model and unit number.
  2. Photos of warning indicators or the relevant inspection report.
  3. When the issue occurs: always, during braking, or intermittently.
  4. Whether the trailer is loaded and where it is currently located.

When does the issue happen?

  • Always
  • During braking
  • Intermittently
  • Not sure

Mention which one when you book.

An inspection flagged an ABS, brake or electrical defect? See Inspections & Maintenance

Frequently Asked Questions

Still unsure? Describe the problem in a request or call the shop.

What does a trailer ABS warning light mean?

It indicates the ABS system needs attention; the cause cannot be determined from the light alone. Diagnostic evaluation is the next step.

Can you repair trailer brakes or air lines?

Yes. Describe the issue in your request and we’ll schedule the repair.

Can you check trailer lighting and wiring?

Yes. Include the failed light or symptom in your request so we can plan the repair.

Warning Light On? Start With a Diagnosis.

A quick description and a few photos can help the team review your request. You do not need to know the exact failed part.

Book a Time Online

  1. Your detailsName, phone, email and the VIN.
  2. What’s wrongDescribe the problem or pick a full inspection. Photos are optional.
  3. WhenChoose a day, or let the shop pick.
Book a Time (opens in a new tab)

This is a request. The shop confirms the time with you.

CallBook Repair (opens in a new tab)