Automotive Service Excellence

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National Institute for Automotive Service Excellence
ASE certified.png
ASE Blue Seal
Founded Washington, D.C. (June 12, 1972 (1972-06-12))
Registration no. 721570

The National Institute for Automotive Service Excellence (ASE) is a professional certification group that certifies professionals and shops in the automotive repair and service industry in the United States and parts of Canada. It is an independent, non-profit organization created in 1972[1] in response to consumers needing to distinguish between incompetent and competent automotive technicians.[2] The organization aims to improve the quality of vehicle repair and service through the testing and certification of repair and service professionals.

ASE Certification[edit]

ASE offers certification tests for automotive professionals through Prometric Test Centers. These involve several exams, the passing of which, added with two years of relevant hands-on work experience, will merit certification.[3] Some forms of formal training will also satisfy part of the 2 year work experience requirement. A re-certification track is also offered for those who have had previous certification. An ASE certificate serves as proof of one's competence and effectiveness. Upon certification, the certified applicant will also receive an ASE shoulder insignia, wallet I.D. card and a wall certificate suitable for framing. ASE certification is usually required (not by law but by employers) for those interested in pursuing a career in automotive mechanic/auto mechanic or automotive technician service.[4] Some municipalities require ASE certification in order to be licensed for motor vehicle repairs, such as Broward[5] and Miami-Dade[6] Counties.

Testing was previously done twice a year for the written version. All ASE tests are now computer based and are administered at monitored testing centers. The tests are now offered more frequently and at more locations. Additionally ASE certification is not just for technicians anymore and apply to all manner of jobs relating to the Automotive Industry.


Exam Acronym
A1 A1 Auto: Engine Repair
A2 A2 Auto: Automatic Transmission/Transaxle
A3 A3 Auto: Manual Drive Train & Axles
A4 A4 Auto: Suspension & Steering
A5 A5 Auto: Brakes
A6 A6 Auto: Electrical/Electronic Systems
A7 A7 Auto: Heating & Air Conditioning
A8 A8 Auto: Engine Performance
A9 A9 Auto: Light Vehicle Diesel Engines
A1R A1R Auto: Engine Repair Recert
A2R A2R Auto: Automatic Transmission/Transaxle Recert
A3R A3R Auto: Manual Drive Train & Axles Recert
A4R A4R Auto: Suspension & Steering Recert
A5R A5R Auto: Brakes Recert
A6R A6R Auto: Electrical/Electronic Systems Recert
A7R A7R Auto: Heating & Air Conditioning Recert
A8R A8R Auto: Engine Performance Recert
B2 B2 Coll: Painting & Refinishing
B3 B3 Coll: Non-Structural Analysis & Damage Repair
B4 B4 Coll: Structural Analysis & Damage Repair
B5 B5 Coll: Mechanical & Electrical Components
B6 B6 Coll: Damage Analysis & Estimating
B2R B2R Coll: Painting & Refinishing Recert
B3R B3R Coll: Non-Structural Analysis & Repair Recert
B4R B4R Coll: Structural Analysis & Repair Recert
B5R B5R Coll: Mechanical & Electrical Comp Recert
B6R B6R Coll: Damage Analysis & Estimating Recert
C1 C1 Serv Consult: Auto Service Consultant
C1R C1R Serv Consult: Auto Service Consultant Recert
E1 E1 Trk Equip: Installation & Repair
E2 E2 Trk Equip: Electrical/Electronic Systems
E3 E3 Trk Equip: Auxiliary Power Systems
E1R E1R Trk Equip: Installation & Repair Recert
E2R E2R Trk Equip: Electrical/Electronic Sys Recert
E3R E3R Trk Equip: Auxiliary Power Systems Recert
F1 F1 Alt Fuels: Compressed Natural Gas Vehicle
F1R F1R Alt Fuels: Compressed Nat Gas Vehicle Recert
G1: Auto Maintenance and Light Repair Certification
H1 H1 T Bus: Compressed Natural Gas Engines
H2 H2 T Bus: Diesel Engines
H3 H3 T Bus: Drive Train
H4 H4 T Bus: Brakes
H5 H5 T Bus: Suspension & Steering
H6 H6 T Bus: Electrical/Electronic Systems
H7 H7 T Bus: Heating, Ventilation, & A/C
H8 H8 T Bus: Preventive Maintenance & Inspection
H4R H4R T Bus: Brakes Recert
H6R H6R T Bus: Electrical/Electronic Systems Recert
L1 L1 Adv: Advanced Engine Performance Specialist
L2 L2 Adv: Electronic Diesel Engine Diagnosis
L3 L3 aDV; Light Duty Hybrid/Electric Vehicle Specialist
L1R L1R Adv: Advanced Engine Performance Spec Recert
L2R L2R Adv: Electronic Diesel Engine Diag Recert
P1 P1 Parts: M/H Truck Dealership Parts Specialist
P2 P2 Parts: Automobile Parts Specialist
P4 P4 Parts: General Motors Parts Consultant
P1R P1R Parts: M/H Truck Dealership Parts Spec Recert
P2R P2R Parts: Automobile Parts Specialist Recert
P4R P4R Parts: General Motors Parts Consultant Recert
S1 S1 S Bus: Body Systems & Special Equipment
S2 S2 S Bus: Diesel Engines
S3 S3 S Bus: Drive Train
S4 S4 S Bus: Brakes
S5 S5 S Bus: Suspension & Steering
S6 S6 S Bus: Electrical/Electronic Systems
S7 S7 S Bus: Air Conditioning Systems & Controls
S1R S1R S Bus: Body Systems & Special Equip Recert
S2R S2R S Bus: Diesel Engines Recert
S3R S3R S Bus: Drive Train Recert
S4R S4R S Bus: Brakes Recert
S5R S5R S Bus: Suspension & Steering Recert
S6R S6R S Bus: Electrical/Electronic Systems Recert
S7R S7R S Bus: A/C Systems & Controls Recert
T1 T1 M/H Truck: Gasoline Engines
T2 T2 M/H Truck: Diesel Engines
T3 T3 M/H Truck: Drive Train
T4 T4 M/H Truck: Brakes
T5 T5 M/H Truck: Suspension & Steering
T6 T6 M/H Truck: Electrical/Electronic Systems
T7 T7 M/H Truck: Heating, Ventilation, & A/C
T8 T8 M/H Truck: Preventive Maintenance & Inspection
T1R T1R M/H Truck: Gasoline Engines Recert
T2R T2R M/H Truck: Diesel Engines Recert
T3R T3R M/H Truck: Drive Train Recert
T4R T4R M/H Truck: Brakes Recert
T5R T5R M/H Truck: Suspension & Steering Recert
T6R T6R M/H Truck: Electrical/Electronic Sys Recert 4
5 T7R T7R M/H Truck: Heating, Ventilation & A/C Recert
T8R T8R M/H Truck: Preventive Maint & Inspect Recert
X1 X1 Specialty: Exhaust Systems
X1R X1R Specialty: Exhaust Systems Recert


Today there are about 593,419 "ASE certified" professionals in different fields. These are composed of:
Automobile Technicians (275,188)
Master Automobile Technicians (92,975)
Automobile Service Consultants (15,681)
Advanced Engine Performance Specialists (47,093)
Collision Repair/Refinish Technicians (28,313)
Master Collision Repair/Refinish Technicians (6,031)
Collision Damage Estimators (10,146)
Medium/Heavy Truck Technicians (44,549)
Master Medium/Heavy Truck Technicians (13,694)
Master Medium/Heavy Vehicle Technicians (218)
Truck Equipment Technicians (3,203)
Master Truck Equipment Technicians (1,296)
Engine Machinists (3,500)
Master Engine Machinists (1,933)
Compressed Natural Gas Technicians (2,236)
Transit Bus Technicians (1,899)
Master Transit Bus Technicians (155)
School Bus Technicians (5,541)
Master School Bus Technicians (1,754)
Parts Specialists (42,449)

See also[edit]


  1. ^ Barnhart, Phillip (1997). The Guide to National Professional Certification Programs, 2nd Edition. CRC Press. pp. 291–292. ISBN 0-8493-9960-2. 
  2. ^ "The Value of ASE Certification". NAPA. Retrieved 2009-11-26. 
  3. ^ "Want ASE Certification?". Defense Activity For Non-Traditional Education Support. Archived from the original on 31 October 2009. Retrieved 2009-11-26. 
  4. ^ "Certifications for Automotive Technicians". Roseville, Michigan. Retrieved 2013-10-24. 
  5. ^ "Automotive Service Excellence". 
  6. ^ "Miami-Dade County Code, Chapter 8A, Article VIIA Motor Vehicle Repair Ordinance" (PDF). Miami-Dade County, Florida. Retrieved 2009-08-26. 

External links[edit]