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 P1228 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