Diagnostic Fault Information
WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Knock Sensor 1 Signal - Terminal 1/A | P0327, P06B6 | P0325 | P0328 | P0324*, P0326** |
| Knock Sensor 1 Signal - Terminal 2/B | P0327 | P0325 | P0328 | P0324*, P0326** |
| Knock Sensor 2 Signal - Terminal 1/A | P0332, P06B7 | P0330 | P0333 | P0324*, P0331** |
| Knock Sensor 2 Signal - Terminal 2/B | P0332 | P0330 | P0333 | P0324*, P0331** |
| *Signal Performance = High **Signal Performance = Low |
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