GAC diagnostic reference

Explore 10 connection profiles and 311 enhanced definition variants recorded for GAC. Reference relationships describe the library, not road-test coverage.

Vehicle and connection profiles

OBD-II / EOBDGAC
Aion Y Plus; Aion V Gen.2 (2024-) (BMS: G-Pulse)GAC · 2024–onward
BZ3XGAC
GN8 (2019/07-2020/06)GAC · 2019–2020
GN8 (-2020.07)GAC · 2020–2020
GS3 Shadow Speed / GS3 Yingsu (2023-n.d.)GAC · 2023–onward
GS5 (2019-)GAC · 2019–onward
GS8 (-2019/07)GAC · 2019–2019
GS8 Gen.2 (2021-n.d.)GAC · 2021–onward
GS8/GS8S (2019/08-)GAC · 2019–2019

Enhanced PID meanings

Browse individual signal meanings, units and exact profile links.

Browse GAC enhanced signals

Trouble-code reference families

GAC / Lexus / Toyota — 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