Diagnostic Fault Information
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
DTC B0019 or B0020
| Circuit | Short to Ground | High Resistance | Open | Short to Voltage | Signal Performance |
|---|---|---|---|---|---|
| I/P Module Stage 1 High Circuit | B0019 02 | B0019 0D | B0019 04 | B0019 01 | B0019 0E |
| I/P Module Stage 1 Low Circuit | B0019 02 | B0019 0D | B0019 04 | B0019 01 | B0019 0E |
| I/P Module Stage 2 High Circuit | B0020 02 | B0020 0D | B0020 04 | B0020 01 | B0020 0E |
| I/P Module Stage 2 Low Circuit | B0020 02 | B0020 0D | B0020 04 | B0020 01 | B0020 0E |