Exam Comparison
ASE L1 vs ASE T-Series
Comparing the ASE Advanced Engine Performance Specialist (L1) 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 L1 vs ASE T-Series: At a Glance
| Detail | ASE L1 | ASE T-Series |
|---|---|---|
| Full Name | ASE Advanced Engine Performance Specialist (L1) | ASE Medium/Heavy Truck Certification (T-Series) |
| Governing Body | ASE | ASE |
| Number of Questions | 50 | 50 |
| Time Limit | 75 minutes | 60 minutes per test |
| Passing Score | Not disclosed | Not disclosed |
| Exam Fee | $36 USD | $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 L1 Domains
- Ignition System Diagnosis
- Fuel System Diagnosis
- Emission Control System Diagnosis
- Exhaust Gas Analysis
- Computer and On-Board Diagnostics
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 L1 and ASE T-Series?
The ASE L1 (ASE Advanced Engine Performance Specialist (L1)) is administered by ASE and consists of 50 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 L1 and the ASE T-Series?
Yes, the ASE L1 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 L1 or ASE T-Series?
The right sequence depends on your career goals and current credentials. The ASE L1 is offered by ASE with a passing score of Not disclosed, 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 L1 and the ASE T-Series?
C3RT is building apps for both the ASE L1 and the ASE T-Series. Both will be available on iOS and Mac.
The ASE Advanced Engine Performance Specialist (L1) (ASE L1) 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.