Diagnostic knowledge search

23,879 code identifiers with scoped meanings, and 54,261 enhanced signal definitions. No VIN or personal information is needed.

Code or signal meaning

Reference

Brand context

4,780 matches

Page 74 · 2191–2220 shown

C026

Low Speed CAN Communication Bus (-) High

1 reference families · BMW

C027

Low Speed CAN Communication Bus (-) shorted to Bus (+)

1 reference families · BMW

C028

Vehicle Communication Bus A

1 reference families · BMW

C029

Vehicle Communication Bus A Performance

1 reference families · BMW

C030

Vehicle Communication Bus A (+) Open

1 reference families · BMW

C031

Vehicle Communication Bus A (+) Low

1 reference families · BMW

C032

Vehicle Communication Bus A (+) High

1 reference families · BMW

C033

Vehicle Communication Bus A (-) Open

1 reference families · BMW

C034

Vehicle Communication Bus A (-) Low

1 reference families · BMW

C035

Vehicle Communication Bus A (-) High

1 reference families · BMW

C036

Vehicle Communication Bus A (-) shorted to Bus A (+)

1 reference families · BMW

C037

Vehicle Communication Bus B

1 reference families · BMW

C038

Vehicle Communication Bus B Performance

1 reference families · BMW

C039

Vehicle Communication Bus B (+) Open

1 reference families · BMW

C040

Vehicle Communication Bus B (+) Low

1 reference families · BMW

C041

Vehicle Communication Bus B (+) High

1 reference families · BMW

C042

Vehicle Communication Bus B (-) Open

1 reference families · BMW

C043

Vehicle Communication Bus B (-) Low

1 reference families · BMW

C044

Vehicle Communication Bus B (-) High

1 reference families · BMW

C045

Vehicle Communication Bus B (-) shorted to Bus B (+)

1 reference families · BMW

C046

Vehicle Communication Bus C

1 reference families · BMW

C047

Vehicle Communication Bus C Performance

1 reference families · BMW

C048

Vehicle Communication Bus C (+) Open

1 reference families · BMW

C049

Vehicle Communication Bus C (+) Low

1 reference families · BMW

C050

Vehicle Communication Bus C (+) High

1 reference families · BMW

C051

Vehicle Communication Bus C (-) Open

1 reference families · BMW

C052

Vehicle Communication Bus C (-) Low

1 reference families · BMW

C053

Vehicle Communication Bus C (-) High

1 reference families · BMW

C054

Vehicle Communication Bus C (-) shorted to Bus C (+)

1 reference families · BMW

C055

Vehicle Communication Bus D

1 reference families · BMW

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OBD Lens reference library · catalog legacy-owner-2026-11-02-v84-evidence. Sources and scope