These 76 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 76 times.
| Code | Definition | Repair coverage |
|---|---|---|
| U0028 | Vehicle Communication Bus A | 4 ranked fixes |
| U0029 | Vehicle Communication Bus A Performance | 4 ranked fixes |
| U0030 | Vehicle Communication Bus A (+) Open | 4 ranked fixes |
| U0031 | Vehicle Communication Bus A (+) Low | 4 ranked fixes |
| U0032 | Vehicle Communication Bus A (+) High | 4 ranked fixes |
| U0033 | Vehicle Communication Bus A (-) Open | 4 ranked fixes |
| U0034 | Vehicle Communication Bus A (-) Low | 4 ranked fixes |
| U0035 | Vehicle Communication Bus A (-) High | 4 ranked fixes |
| U0036 | Vehicle Communication Bus A (-) shorted to Bus A (+) | 4 ranked fixes |
| U0037 | Vehicle Communication Bus B | 4 ranked fixes |
| U0038 | Vehicle Communication Bus B Performance | 4 ranked fixes |
| U0039 | Vehicle Communication Bus B (+) Open | 4 ranked fixes |
| U0040 | Vehicle Communication Bus B (+) Low | 4 ranked fixes |
| U0041 | Vehicle Communication Bus B (+) High | 4 ranked fixes |
| U0042 | Vehicle Communication Bus B (-) Open | 4 ranked fixes |
| U0043 | Vehicle Communication Bus B (-) Low | 4 ranked fixes |
| U0044 | Vehicle Communication Bus B (-) High | 4 ranked fixes |
| U0045 | Vehicle Communication Bus B (-) shorted to Bus B (+) | 4 ranked fixes |
| U0046 | Vehicle Communication Bus C | 4 ranked fixes |
| U0047 | Vehicle Communication Bus C Performance | 4 ranked fixes |
| U0048 | Vehicle Communication Bus C (+) Open | 4 ranked fixes |
| U0049 | Vehicle Communication Bus C (+) Low | 4 ranked fixes |
| U0050 | Vehicle Communication Bus C (+) High | 4 ranked fixes |
| U0051 | Vehicle Communication Bus C (-) Open | 4 ranked fixes |
| U0052 | Vehicle Communication Bus C (-) Low | 4 ranked fixes |
| U0053 | Vehicle Communication Bus C (-) High | 4 ranked fixes |
| U0054 | Vehicle Communication Bus C (-) shorted to Bus C (+) | 4 ranked fixes |
| U0055 | Vehicle Communication Bus D | 4 ranked fixes |
| U0056 | Vehicle Communication Bus D Performance | 4 ranked fixes |
| U0057 | Vehicle Communication Bus D (+) Open | 4 ranked fixes |
| U0058 | Vehicle Communication Bus D (+) Low | 4 ranked fixes |
| U0059 | Vehicle Communication Bus D (+) High | 4 ranked fixes |
| U0060 | Vehicle Communication Bus D (-) Open | 4 ranked fixes |
| U0061 | Vehicle Communication Bus D (-) Low | 4 ranked fixes |
| U0062 | Vehicle Communication Bus D (-) High | 4 ranked fixes |
| U0063 | Vehicle Communication Bus D (-) shorted to Bus D (+) | 4 ranked fixes |
| U0064 | Vehicle Communication Bus E | 4 ranked fixes |
| U0065 | Vehicle Communication Bus E Performance | 4 ranked fixes |
| U0066 | Vehicle Communication Bus E (+) Open | 4 ranked fixes |
| U0067 | Vehicle Communication Bus E (+) Low | 4 ranked fixes |
| U0068 | Vehicle Communication Bus E (+) High | 4 ranked fixes |
| U0069 | Vehicle Communication Bus E (-) Open | 4 ranked fixes |
| U0070 | Vehicle Communication Bus E (-) Low | 4 ranked fixes |
| U0071 | Vehicle Communication Bus E (-) High | 4 ranked fixes |
| U0072 | Vehicle Communication Bus E (-) shorted to Bus E (+) | 4 ranked fixes |
| U0080 | Vehicle Communication Bus F | 4 ranked fixes |
| U0081 | Vehicle Communication Bus F Performance | 4 ranked fixes |
| U0082 | Vehicle Communication Bus F + Open | 4 ranked fixes |
| U0083 | Vehicle Communication Bus F + Low | 4 ranked fixes |
| U0084 | Vehicle Communication Bus F + High | 4 ranked fixes |
| U0085 | Vehicle Communication Bus F - Open | 4 ranked fixes |
| U0086 | Vehicle Communication Bus F - Low | 4 ranked fixes |
| U0087 | Vehicle Communication Bus F - High | 4 ranked fixes |
| U0088 | Vehicle Communication Bus F - Shorted to Bus F + | 4 ranked fixes |
| U0089 | Vehicle Communication Bus G | 4 ranked fixes |
| U008A | Vehicle Communication Bus G Performance | 4 ranked fixes |
| U008B | Vehicle Communication Bus G (+) Open | 4 ranked fixes |
| U008C | Vehicle Communication Bus G (+) Low | 4 ranked fixes |
| U008D | Vehicle Communication Bus G (+) High | 4 ranked fixes |
| U008E | Vehicle Communication Bus G (-) Open | 4 ranked fixes |
| U008F | Vehicle Communication Bus G (-) Low | 4 ranked fixes |
| U0090 | Vehicle Communication Bus G (-) High | 4 ranked fixes |
| U0091 | Vehicle Communication Bus G (-) shorted to Bus G (+) | 4 ranked fixes |
| U0092 | Vehicle Communication Bus H | 4 ranked fixes |
| U0093 | Vehicle Communication Bus H Performance | 4 ranked fixes |
| U0094 | Vehicle Communication Bus H (+) Open | 4 ranked fixes |
| U0095 | Vehicle Communication Bus H (+) Low | 4 ranked fixes |
| U0096 | Vehicle Communication Bus H (+) High | 4 ranked fixes |
| U0097 | Vehicle Communication Bus H (-) Open | 4 ranked fixes |
| U0098 | Vehicle Communication Bus H (-) Low | 4 ranked fixes |
| U0099 | Vehicle Communication Bus H (-) High | 4 ranked fixes |
| U009A | Vehicle Communication Bus H (-) shorted to Bus H (+) | 4 ranked fixes |
| U009B | Vehicle Communication Bus I | 4 ranked fixes |
| U009C | Vehicle Communication Bus I Performance | 4 ranked fixes |
| U009D | Vehicle Communication Bus J | 4 ranked fixes |
| U009E | Vehicle Communication Bus J Performance | 4 ranked fixes |
This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here:
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