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Certification

Bus and Truck Mechanics and Diesel Engine Specialists

Certification Description
Certification identifies those Technicians who possess knowledge of the skills necessary to diagnose sophisticated diesel engine performance problems on medium- and heavy-duty trucks.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Electronic Diesel Engine Diagnosis Specialist Certification Website

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? No
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Engine Machinist Technician: Assembly Specialist (Gas or Diesel) Website

Certification Description
Successfully passing test M2 will certify you as an engine machinist cylinder block specialist (gas or diesel).

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Engine Machinist Technician: Cylinder Block Specialist (Gas or Diesel) Website

Certification Description
Successfully passing test M1 will certify you in as an engine machinist cylinder head specialist (gas or diesel).

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Engine Machinist Technician: Cylinder Head Specialist (Gas or Diesel) Website

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Light Vehicle Diesel Engines Website

Certification Description
The ASE School Bus Technician Test Series includes seven certification exams: Body Systems and Special Equipment (S1), Diesel Engines (S2), Drive Train (S3), Brakes (S4), Suspension and Steering (S5), Electrical/Electronic Systems (S6), and Air Conditioning Systems and Controls (S7). While several of these tests parallel existing ASE Medium/Heavy Truck tests, each one is designed to test knowledge of systems that are specific to school buses. The School Bus test series is available in Paper/Pencil test format only. The tests are offered every May and November at over 700 test centers nationwide.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Master School Bus Technician Website

Certification Description
The ASE Transit Bus Test Series has two certification exams: H4-Brakes and H6-Electrical/Electronic Systems. Additional exams are planned. Successfully passing all H-Series Tests will certify you as a master in transit buses. The Transit Bus test series is available in Paper/Pencil test format only. The tests are offered every May and November at over 700 test centers nationwide.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? No
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Master Transit Bus Technician Website

Certification Description
Successfully passing test T4 will certify you in medium/heavy truck brakes.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Medium/Heavy Truck Technician: Brakes Website

Certification Description
Successfully passing test T2 will certify you in medium/heavy truck diesel engines.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Medium/Heavy Truck Technician: Diesel Engines Website

Certification Description
Successfully passing test T3 will certify you in medium/heavy truck drive trains.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Medium/Heavy Truck Technician: Drive Trains Website

Certification Description
Successfully passing test T6 will certify you in medium/heavy truck electrical/electronic systems.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? No
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Medium/Heavy Truck Technician: Electrical/Electronic Systems Website

Certification Description
Successfully passing test T1 will certify you in medium/heavy truck gasoline engines.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Medium/Heavy Truck Technician: Gasoline Engines Website

Certification Description
Successfully passing test T7 will certify you in medium/heavy truck heating, ventilation, and a/c.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? No
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Medium/Heavy Truck Technician: Heating, Ventilation, & A/C Website

Certification Description
Successfully passing test T8 will certify you in medium/heavy truck preventive maintenance inspection.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? No
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Medium/Heavy Truck Technician: Preventive Maintenance Inspection Website

Certification Description
Successfully passing test T5 will certify you in medium/heavy truck suspension and steering.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Medium/Heavy Truck Technician: Suspension and Steering Website

Certification Description
Successfully passing test S2 will certify you in school bus diesel engines.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? No
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

School Bus Technician: Diesel Engines Website

Certification Description
Certification identifies and recognizes those Transit Bus Technicians who demonstrate knowledge of the skills necessary to diagnose, service, and repair various systems on transit buses.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus - Compressed Natural Gas (CNG) Engines (H1) Website

Certification Description
Certification identifies recognizes those Transit Bus Technicians who demonstrate knowledge of the skills necessary to diagnose, service, and repair various systems on transit buses.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus - Diesel Engines (H2) Website

Certification Description
Certification identifies and recognizes those Transit Bus Technicians who demonstrate knowledge of the skills necessary to diagnose, service, and repair various systems on transit buses.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus - Drive Train (H3) Website

Certification Description
Certification identifies and recognizes those Transit Bus Technicians who demonstrate knowledge of the skills necessary to diagnose, service, and repair various systems on transit buses.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus - Heating Ventilation and Air Conditioning (HVAC) (H7) Website

Certification Description
Certification identifies and recognizes those Transit Bus Technicians who demonstrate knowledge of the skills necessary to diagnose, service, and repair various systems on transit buses.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus - Preventive Maintenance and Inspection (PMI) (H8) Website

Certification Description
Certification identified and recognizes those Transit Bus Technicians who demonstrate knowledge of the skills necessary to diagnose, service, and repair various systems on transit buses.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus - Suspension and Steering (H5) Website

Certification Description
Successfully passing test H4 will certify you in transit bus brakes.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? No
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus Technician: Brakes Website

Certification Description
To identify and recognize those Transit Bus Technicians who demonstrate knowledge of the skills necessary to diagnose, service, and repair various systems on transit buses.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus Technician: Compressed Natural Gas Engines Website

Certification Description
To identify and recognize those Transit Bus Technicians who demonstrate knowledge of the skills necessary to diagnose, service, and repair various systems on transit buses.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Work Experience Required? Yes
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus Technician: Diesel Engines Website

Certification Description
Successfully passing test H6 will certify you in transit bus electrical/electronic systems.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? No
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Transit Bus Technician: Electrical/Electronic Systems Website

Certification Description
The Electronic Diesel Engine Diagnosis Specialist (L2) test consists of questions that test technicians' diagnostic knowledge of diesel engine mechanical and computer-controlled fuel systems. Questions cover both generic diesel engine systems, as well as three specific types of electronic diesel fuel control systems. The Electronic Diesel Engine Diagnosis Specialist test is available in either Paper/Pencil or Computer-Based Testing format.

Certifying Organization
National Institute for Automotive Service Excellence
https://www.ase.com/home.aspx

Certification Details
● Education and Training Required? Yes
● Work Experience Required? Yes
● Either training or work experience required, but not both? No
● Oral or Written Exam Required? Yes
● Renewal Required? Every 5 Years
● Renew through Continuing Educational Units (CEU)? No
● Renew through Re-Examination? Yes
● Renew through Continuing Professional Development (CPD)? No
● Does applicant have a choice of at least two options from above for renewal (CEU, CPD, or exam)? No

Truck Electronic Diesel Engine Diagnosis Specialist Website

Source: CareerOneStop, sponsored by the U.S. Department of Labor (USDOL).