Sensor Power Supply (ECM)

Condition(s):

DTC P1240 Sensor power supply malfunction

Possible Source(s):
- Mechanical guard sensor short
- Pedal demand sensor short
- Throttle position sensor short
- Harness fault
- Connector loose or corroded
- Connector pin(s) bent or tracking between connections
- ECM failure

Action(s) to take
- GO to Pinpoint Test C P1240


DTC P1241 Sensor power supply low input

Possible Source(s):
- ECM sensor supply fault
- 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 P1241

DTC P1242 Sensor power supply high input

Possible Source(s):
- ECM sensor supply fault
- 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 P1241

DTC P1243 Analogue ground malfunction

Possible Source(s):
- Mechanical guard sensor failure
- Pedal demand sensor failure
- Ground line open circuit
- ECM failure

Action(s) to take:
- GO to Pinpoint Test E P1243