Performance Skill Standard:

Conditions of Performance:

• Given a typical tractor-trailer rig and either a description of problem symptoms or actual symptoms of poor performance…

Statement of Work to be Performed:

• …The driver will troubleshoot symptoms, identify vehicle malfunctions, and report problem.

Performance Criteria:

• Identify symptom and vehicle systems and match symptom to likely problem.
• Troubleshoot/identify problem, and/or identify if a problem exists.
• Report problem accurately and according to guidelines.
• Fix problems within jurisdiction of driver, as described by company policy and regulation.

Performance Elements and Assessment Criteria:

• Check each component and vehicle system. Identify vehicle systems or components that are functioning properly, are in imminent danger of failing, or functioning improperly.
• Identify and interpret symptoms of malfunction.
• Match symptom to possible list of problems.
• Describe symptoms of improper operation completely and accurately to maintenance personnel.
• Correct problems within jurisdiction.
• Avoid attempting to perform maintenance for which driver is unqualified.
• Properly report breakdowns occurring en route.
• Properly complete a Daily Vehicle Inspection Report (DVIR).