Exam Comparison
ASE A-Series vs ASE T-Series
Comparing the ASE Automobile & Light Truck Certification (A-Series) and the ASE Medium/Heavy Truck Certification (T-Series). Both fall under Skilled Trades. Both are covered by the Trades Cert Exam Prep: ASE, NHIE, Electrician & Plumber app.
ASE A-Series vs ASE T-Series: At a Glance
| Detail | ASE A-Series | ASE T-Series |
|---|---|---|
| Full Name | ASE Automobile & Light Truck Certification (A-Series) | ASE Medium/Heavy Truck Certification (T-Series) |
| Governing Body | ASE | ASE |
| Number of Questions | 45 | 50 |
| Time Limit | 45–60 minutes per test | 60 minutes per test |
| Passing Score | Varies by test (typically 38–45 correct) | Not disclosed |
| Exam Fee | $36 USD per test ($324 total for all 9) | $36 USD per test ($288 total for all 8) |
| Category | Skilled Trades | Skilled Trades |
| C3RT App | Trades Cert Exam Prep: ASE, NHIE, Electrician & Plumber Soon | Trades Cert Exam Prep: ASE, NHIE, Electrician & Plumber Soon |
Content Areas Compared
ASE A-Series Domains
- A1 — Engine Repair
- A2 — Automatic Transmission and Transaxle
- A3 — Manual Drive Train and Axles
- A4 — Steering and Suspension
- A5 — Brakes
- A6 — Electrical and Electronic Systems
- A7 — Heating and Air Conditioning
- A8 — Engine Performance
- A9 — Light Vehicle Diesel Engines
ASE T-Series Domains
- T1 — Gasoline Engines
- T2 — Diesel Engines
- T3 — Drive Train
- T4 — Brakes
- T5 — Suspension and Steering
- T6 — Electrical and Electronic Systems
- T7 — Heating, Ventilation and Air Conditioning
- T8 — Preventive Maintenance and Inspection
Frequently Asked Questions
What is the difference between ASE A-Series and ASE T-Series?
The ASE A-Series (ASE Automobile & Light Truck Certification (A-Series)) is administered by ASE and consists of 45 questions. The ASE T-Series (ASE Medium/Heavy Truck Certification (T-Series)) is administered by ASE and consists of 50 questions. Both are Skilled Trades credentials.
Can I take both the ASE A-Series and the ASE T-Series?
Yes, the ASE A-Series and ASE T-Series are separate credentials with separate eligibility requirements. Each is awarded by a different governing body (ASE and ASE respectively). Check the official requirements for each before registering.
Which should I take first, ASE A-Series or ASE T-Series?
The right sequence depends on your career goals and current credentials. The ASE A-Series is offered by ASE with a passing score of Varies by test (typically 38–45 correct), while the ASE T-Series is offered by ASE with a passing score of Not disclosed. Review the eligibility requirements for each with the respective governing bodies before deciding.
Does C3RT cover both the ASE A-Series and the ASE T-Series?
C3RT is building apps for both the ASE A-Series and the ASE T-Series. Both will be available on iOS and Mac.
The ASE Automobile & Light Truck Certification (A-Series) (ASE A-Series) is administered by ASE. The ASE Medium/Heavy Truck Certification (T-Series) (ASE T-Series) is administered by ASE. C3RT is not affiliated with either organisation. Certification names and trademarks are the property of their respective owners.