P1155 OBD Code Definition:
P1155 Alternative Fuel Controller
P1155 OBD Code Description:
Possible Symptoms
- Limp mode
- Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes
- Connection(s) to/from Manifold Abs.Pressure Sensor faulty
- Manifold Abs.Pressure Sensor (G71) faulty
- Pipes/hoses not/wrongly attached
Possible Solutions
- Check wiring and connections
- Check / Replace Manifold Abs.Pressure Sensor
- Check pipes and hoses
Special Notes
- Someone with this dtc replaced the Boost Pressure Controle Valve and the dtc disappeared
- More info about the Manifold Abs.Pressure Sensor