On Board Diagnosis Logic
WARNING: This page is about a different car, the 2005 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
The MIL will not light up for this diagnosis .
NOTE:
If DTC P0550 is displayed with DTC P1229, first perform the trouble diagnosis for DTC P1229. Refer to
"DTC P1229 SENSOR POWER SUPPLY ".
ON BOARD DIAGNOSIS LOGIC
| DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
|---|---|---|---|
| P0550 0550 |
Power steering pressure sensor circuit | An excessively low or high voltage from the sensor is sent to ECM. |
|