AUR31120 Certificate III in Heavy Commercial Vehicle Mechanical Technology

Currenttraining.gov.au: current

Australia's national training register lists AUR31120 as current. It publishes no end date for the currency period.

Product type
Qualification
Training package
AUR — Automotive Retail, Service and Repair Training Package
Currency period ends
no end date published
Latest release
Release 4 · 9 July 2026 · 4 releases in all
Supersedes
AUR31116
Superseded by
nothing — no replacement listed

Where the register points next

training.gov.au points at nothing after AUR31120: it is the current product, and no replacement is listed.

What the register says changed

These are the mapping notes training.gov.au attaches to each supersession, quoted as the register writes them. They are the only public record of what actually changed between two versions.

  • AUR31116AUR31120equivalent12 November 2020

    The register records this supersession but attaches no note on what changed.

Is AUR31120 on your scope?

This page is the register's record of one product. What it cannot tell you is whether AUR31120 sits on your own scope today, or what else on that scope has moved without anyone noticing. Enter your RTO number and we read every product on your live scope against training.gov.au and tell you which ones are superseded and which replacements the register flags not equivalent.

Public code, nothing else. We read your live scope from training.gov.au and answer here — nothing is stored unless you ask us to watch it.

Whether a supersession requires anything of you, and what, sits with you and your regulator. This page maps what the register records; it does not make that judgement. If the difference between an equivalent and a non-equivalent replacement is the question, we wrote it up in equivalent vs not equivalent.

What AUR31120 is made of

training.gov.au lists 74 units for AUR31120: 22 core and 52 elective. To complete it, the register publishes a rule of 22 core units plus 14 electives36 units in all.

Core units 22 listed

CodeUnitIn this product
AURAEA002Follow environmental and sustainability best practice in an automotive workplacecurrent
AURASA102Follow safe working practices in an automotive workplacecurrent
AURETR112Test and repair basic electrical circuitscurrent
AURETR122Diagnose and repair vehicle dynamic control systemscurrent
AURETR124Diagnose and repair compression ignition engine management systemscurrent
AURETR125Test, charge and replace batteries and jump-start vehiclescurrent
AURETR129Diagnose and repair charging systemscurrent
AURETR130Diagnose and repair starting systemscurrent
AURHTB101Diagnose and repair heavy vehicle air braking systemscurrent
AURHTD102Diagnose and repair heavy vehicle steering systemscurrent
AURHTD103Diagnose and repair heavy vehicle suspension systemscurrent
AURHTE102Diagnose and repair heavy vehicle compression ignition enginescurrent
AURHTQ103Diagnose and repair heavy vehicle drive shaftscurrent
AURHTZ101Diagnose and repair heavy vehicle emission control systemscurrent
AURTTA006Inspect and service hydraulic systemscurrent
AURTTA104Carry out servicing operationscurrent
AURTTA118Develop and carry out diagnostic test strategiescurrent
AURTTC103Diagnose and repair cooling systemscurrent
AURTTF102Inspect and service diesel fuel injection systemscurrent
AURTTF105Diagnose and repair engine forced-induction systemscurrent
AURTTK102Use and maintain tools and equipment in an automotive workplacecurrent
AURTTQ001Inspect and service final drive assembliescurrent

Elective units 52 listed

CodeUnitIn this product
AURAFA103Communicate effectively in an automotive workplacecurrent
AURAMA001Work effectively with others in an automotive workplacecurrent
AURETH017Work safely with hydrogen in the automotive industrycurrent
AURETH018Inspect and maintain hydrogen fuel cell systemcurrent
AURETH101Depower and reinitialise battery electric vehiclescurrent
AURETR052Apply knowledge of Advanced Driver Assistance Systems (ADAS)current
AURETR054Diagnose and repair Advanced Driver Assistance Systems (ADAS) and components in vehiclescurrent
AURETR120Diagnose and repair network electronic control systemscurrent
AURETR132Diagnose and repair automotive electrical systemscurrent
AURETR143Diagnose and repair electronic body management systemscurrent
AURETR144Diagnose and repair integrated engine and transmission management systemscurrent
AURETR249Scan and calibrate Advanced Driver Assistance Systems (ADAS)current
AURETU103Service air conditioning and HVAC systemscurrent
AURETU104Diagnose and repair air conditioning and HVAC componentscurrent
AURETU105Retrofit automotive air conditioning and HVAC systemscurrent
AURHTB002Diagnose and repair heavy vehicle hydraulic and air over hydraulic braking systemscurrent
AURHTB107Diagnose and repair heavy commercial vehicle electronic braking systemscurrent
AURHTD104Carry out heavy vehicle wheel alignment operationscurrent
AURHTE001Remove and install heavy vehicle engine assembliescurrent
AURHTF102Diagnose and repair heavy vehicle diesel fuel injection systemscurrent
AURHTJ203Remove, inspect and refit heavy vehicle wheel and tyre assembliescurrent
AURHTJ206Remove, inspect, repair and refit heavy vehicle tyrescurrent
AURHTL101Inspect, diagnose and repair alternative fuel systems in heavy vehicle enginescurrent
AURHTQ102Diagnose and repair heavy commercial vehicle final drive assembliescurrent
AURHTX002Inspect, test and replace heavy vehicle automatic transmissionscurrent
AURHTX101Diagnose and repair heavy vehicle manual transmissionscurrent
AURHTX103Diagnose and repair heavy vehicle automatic transmissionscurrent
AURHTX104Diagnose and repair heavy vehicle clutch systemscurrent
AURHTY001Inspect and service mechanical connections of heavy vehicles and trailers over 4.5 tonnescurrent
AURHTY102Diagnose and repair mechanical connections of heavy vehicles and trailers over 4.5 tonnescurrent
Show the remaining 22 elective units
CodeUnitIn this product
AURTTA014Assemble and install pneumatic system componentscurrent
AURTTA105Select and use bearings, seals, gaskets, sealants and adhesivescurrent
AURTTA113Diagnose and repair hydraulic systemscurrent
AURTTB004Inspect and service air braking systemscurrent
AURTTB006Inspect, service and repair auxiliary braking systemscurrent
AURTTB101Inspect and service braking systemscurrent
AURTTC002Repair radiatorsnot current
AURTTD002Inspect and service steering systemscurrent
AURTTD004Inspect and service suspension systemscurrent
AURTTE104Inspect and service enginescurrent
AURTTK001Use and maintain measuring equipment in an automotive workplacecurrent
AURTTL003Install CNG fuel systemscurrent
AURTTL009Install LPG fuel systemscurrent
AURTTL104Inspect and service LNG fuel systemscurrent
AURTTL105Diagnose and repair LNG fuel systemscurrent
AURTTX102Inspect and service manual transmissionscurrent
AURTTX103Inspect and service automatic transmissionscurrent
AURTTZ102Diagnose and repair exhaust systemscurrent
AURVTW018Carry out oxyacetylene welding, thermal heating and cuttingcurrent
AURVTW101Carry out manual metal arc welding on componentscurrent
AURVTW103Carry out advanced gas metal arc welding on vehicle body sectionscurrent
AURVTW104Carry out tungsten inert gas weldingcurrent

Core and elective are the register's own flags on the unit grid of the release read here. "Not current" means training.gov.au no longer recommends that unit for use inside this product — it does not say anything about the product itself.

Source: this product on training.gov.au, Australia's national training register — or go straight to the units it requires. The rule itself is item 14 of F2025L00355, and ASQA publishes the extensions it has granted. Read on 28 August 2026 UTC. Every code, title, date, status and equivalence flag on this page is the register's; nothing here is estimated or inferred, and where the register publishes nothing we say so.

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