OBD-II DTC P1571 – PSPS Out Of Self Test Range
DTC P1571 meaning
DTC P1571 refers to a diagnostic trouble code indicating that the Power Steering Pressure Switch (PSPS) is out of its self-test range. This code is typically triggered when the vehicle’s onboard diagnostic system detects a discrepancy in the expected performance of the power steering pressure switch during a self-test procedure.
DTC P1571 symptoms
Common symptoms associated with DTC P1571 may include:
- Illuminated check engine light
- Difficulty steering the vehicle
- Increased steering effort
- Unusual noises from the power steering system
- Intermittent power steering assist
DTC P1571 causes
Several factors can lead to the triggering of DTC P1571, including:
- Faulty power steering pressure switch
- Wiring issues or poor connections in the power steering system
- Low power steering fluid levels
- Faulty power steering pump
- Malfunctioning engine control module (ECM)
DTC P1571 seriousness
DTC P1571 can indicate a serious issue with the power steering system. If left unaddressed, it may lead to:
- Loss of power steering assist
- Increased difficulty in steering, especially at low speeds
- Potential safety hazards while driving
It is advisable to diagnose and repair the issue promptly to ensure safe vehicle operation.
How to diagnose DTC P1571
To diagnose DTC P1571, follow these steps:
- Use an OBD-II scanner to confirm the presence of the code.
- Inspect the power steering pressure switch and its wiring for damage or corrosion.
- Check the power steering fluid level and condition.
- Test the power steering pump for proper operation.
- Clear the code and perform a road test to see if the code reappears.
How to fix DTC P1571 step-by-step instructions
To fix DTC P1571, follow these steps:
- Inspect and replace the power steering pressure switch if faulty.
- Repair or replace any damaged wiring or connectors related to the power steering system.
- Ensure the power steering fluid is at the correct level and in good condition top off or replace as necessary.
- Test the power steering pump and replace it if it is not functioning correctly.
- Re-scan the vehicle to ensure the code has been cleared and does not return.
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