P1550 - Power Steering Pressure (PSP) Sensor Malfunction
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1550 - POWER STEERING PRESSURE (PSP) SENSOR MALFUNCTION
| Description: | The PSP sensor input signal to the PCM is continuously monitored. The test fails when the signal falls out of a maximum or minimum calibrated range. | ||
| Possible Causes: |
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| Diagnostic Aids: |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to DT: Power Steering Pressure Sensor STEP 2 | GO to DT: Power Steering Pressure Sensor STEP 1 | - |