Ford P1550: Power Steering Pressure Switch Circuit Malfunction
Is your scanner showing Ford P1550?
No worries. We'll show you what it means and how to deal with it.
Ford P1550: Power Steering Pressure Switch Circuit Malfunction
OVERVIEWWhat Does The Ford P1550 Code Mean?
KOER Self-Test enabled, and the PCM detected the PSP switch signal did not change during the self-test. This code indicates the PSP input is out of its self-test range.
What Are The Potential Causes Of The Ford P1550 Code?
- PSP switch circuit open or shorted, or the ground circuit open
- Steering wheel was not rotated during the KOER Self-Test
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2007 Powertrain Control Emissions Diagnosis On Board Diagnosis – Sections 4: Powertrain DTC Charts and Descriptions, P1550, page 117.
