Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2005 Ford Econoline E150, Van Cargo, 5.4 LFACTORY OEM SERVICE PROCEDURE
DTC P0553: Power Steering Pressure (PSP) Sensor Circuit High Input
P0553 - POWER STEERING PRESSURE (PSP) SENSOR CIRCUIT HIGH INPUT
| Description: | Indicates the PSP sensor input signal was greater than the self-test maximum. | ||
| Possible Causes: |
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| Diagnostic Aids: | View the PSP PID to monitor the PSP input. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to DT: Power Steering Pressure (PSP) Sensor STEP DT2. | GO to DT: Power Steering Pressure (PSP) Sensor STEP DT2. | GO to DT: Power Steering Pressure (PSP) Sensor STEP DT7. |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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