P1651 – Ford DTC

Ford DTC P1651 – Power Steering Pressure Switch Input fault

DTC P1651 meaning on Ford

DTC P1651 on a Ford vehicle indicates a fault with the Power Steering Pressure Switch Input. This diagnostic trouble code is triggered when the powertrain control module (PCM) detects an abnormal signal from the power steering pressure switch.

Ford DTC P1651 symptoms

Symptoms of DTC P1651 on a Ford may include:

• Check Engine Light (MIL) illuminated
• Loss of power steering assist
• Hard steering feel

Ford DTC P1651 causes

Common causes of DTC P1651 on a Ford include:

• Defective power steering pressure switch
• Wiring or connector issues in the power steering pressure switch circuit
• Low power steering fluid level

Ford DTC P1651 seriousness

While DTC P1651 may not directly affect the drivability of the vehicle, it is important to address this issue promptly to ensure proper power steering operation. Ignoring this fault could lead to potential safety concerns due to the loss of power steering assist.

How to diagnose DTC P1651 on Ford

To diagnose DTC P1651 on a Ford, follow these steps:

1. Use a diagnostic scanner to retrieve the trouble codes stored in the PCM.
2. Inspect the power steering pressure switch and its wiring for any visible damage or corrosion.
3. Test the power steering pressure switch using a multimeter to check for proper operation.
4. Check the power steering fluid level to ensure it is within the recommended range.

How to fix DTC P1651 on Ford

To fix DTC P1651 on a Ford, consider the following steps:

1. Replace the power steering pressure switch if it is found to be faulty.
2. Repair any damaged wiring or connectors in the power steering pressure switch circuit.
3. Top up the power steering fluid to the correct level if it is low.

How to erase DTC P1651 on Ford

To erase DTC P1651 on a Ford:

1. Use a diagnostic scanner to clear the trouble codes stored in the PCM.
2. After making the necessary repairs, drive the vehicle to see if the code returns.
3. If the issue has been resolved, the Check Engine Light should turn off on its own.

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