Knock Sensors

Condition(s):

DTC P0327 Knock sensor 1 (bank A) circuit low input

Possible Source(s):
- Sensor faulty
- Poor sensor contact with the cylinder block
- Harness fault
- Connector loose or corroded
- Connector pin(s) bent or tracking between connections
- ECM failure

Action(s) to take:
- GO to Pinpoint Test D P0327

DTC P0328 Knock sensor/(bank A) circuit high input

Possible Source(s):
- Sensor faulty
- Poor sensor contact with the cylinder block
- Harness fault
- Connector loose or corroded
- Connector pin(s) bent or tracking between connections
- ECM failure

Action(s) to take
- GO to Pinpoint Test D P0327

DTC P0332 Knock sensor 2 (bank B) circuit low input

Possible Source(s):
- Sensor faulty
- Poor sensor contact with the cylinder block
- Harness fault
- Connector loose or corroded
- Connector pin(s) bent or tracking between connections
- ECM failure

Action(s) to take:
- GO to Pinpoint Test D P0327

DTC P0333 Knock sensor 2(bank B) circuit high input

Possible Source(s):
- Sensor faulty
- Poor sensor contact with the cylinder block
- Harness fault
- Connector loose or corroded
- Connector pin(s) bent or tracking between connections
- ECM failure

Action(s) to take:
- GO to Pinpoint Test D P0327