Mechanical Guard

Condition(s):
DTC P1226 Mechanical guard circuit range/performance
Possible Source(s):
- Actuator seized
- Spring broken
- Sensor out of range
- Harness failure
- Connector loose or corroded
- ECM failure

Action(s) to take:
- Go to Pinpoint Test T P1226


DTC P1227 Mechanical guard circuit low input
Possible Source(s):
- Sensor failure
- Harness open circuit
- Connector pins(s) bent, loose or corroded
- ECM failure

Action(s) to take:
- Go to Pinpoint Test U P1227


DTC PI228 Mechanical guard circuit high input
Possible Source(s):
- Sensor failure
- Harness short circuit
- Connector pins(s) bent, loose or corroded
- ECM failure

Action(s) to take:
- Go to Pinpoint Test U P1227