| PCode | Code | Brand | Description |
|---|---|---|---|
| U0029 | U0029 | Vehicle Communication Bus A Performance | |
| U0030 | U0030 | Vehicle Communication Bus A (+) Open | |
| U0031 | U0031 | Vehicle Communication Bus A (+) Low | |
| U0032 | U0032 | Vehicle Communication Bus A (+) High | |
| U0033 | U0033 | Vehicle Communication Bus A (–) Open | |
| U0034 | U0034 | Vehicle Communication Bus A (–) Low | |
| U0035 | U0035 | Vehicle Communication Bus A (–) High | |
| U0036 | U0036 | Vehicle Communication Bus A (–) shorted to Bus A (+) | |
| U0037 | U0037 | Vehicle Communication Bus B | |
| U0038 | U0038 | Vehicle Communication Bus B Performance |