Acura diagnostic reference

Explore 5 connection profiles and 245 enhanced definition variants recorded for Acura. Reference relationships describe the library, not road-test coverage.

Vehicle and connection profiles

OBD-II / EOBDAcura
Honda/Acura HybridsAcura
OBD-II / EOBD + AT/CVT (CAN)Acura
OBDII / EOBD GM based Ultium EV vehicles (2021-2025)Acura · 2021–2025
OBDII / EOBD GM based Ultium EV vehicles (2026-n.d.)Acura · 2026–onward

Enhanced PID meanings

Browse individual signal meanings, units and exact profile links.

Browse Acura enhanced signals

Trouble-code reference families

Acura / Honda — Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Source and applicability

OBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.

Read the reference method

OBD Lens reference library · catalog legacy-owner-2026-10-09-v81. Sources and scope