Chevrolet diagnostic reference

Explore 16 connection profiles and 1290 enhanced definition variants recorded for Chevrolet. Reference relationships describe the library, not road-test coverage.

Vehicle and connection profiles

A14NETChevrolet
A20DTHChevrolet
B16DTHChevrolet
B20DTHChevrolet
Bolt / Ampera-EChevrolet
Bolt / Ampera-E 2017-2020Chevrolet · 2017–2020
Camaro Gen.6 (2016-2024) 3.6Chevrolet · 2016–2024
Combo C 1.3 CDTiChevrolet · 2001–2011
ECU Sirius D42 (EN)Chevrolet
ECU Sirius D42 (RU)Chevrolet
Lacetti + ATChevrolet
OBD-II + SAE J1850Chevrolet · 1996–2007
Silverado / Sierra 6.6L Duramax Diesel (2024-n.d.)Chevrolet · 2024–onward
Silverado/Sierra 3.0 LZ0 (2023-n.d.)Chevrolet · 2023–onward
Silverado/Sierra 6.2 L87 (2023-n.d.)Chevrolet · 2023–onward
Volt / AmperaChevrolet

Enhanced PID meanings

Browse individual signal meanings, units and exact profile links.

Browse Chevrolet enhanced signals

Trouble-code reference families

Chevrolet / Citroen / General Motors / Opel / Peugeot — 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