P0933 - DTC P0933 - Power Steering Pressure Sensor Circuit Range/Performance Problem (Common in 2010-2015 Ford Fusion, 2011-2015 Chevrolet Malibu)

Quick Answer

P0933 means: The P0933 code signifies a problem with the power steering pressure sensor circuit, affecting steering performance.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with P0933? It's advisable to address this issue promptly to avoid further damage and ensure safe vehicle operation.

Common Questions

What does P0933 mean and how does it affect my car?

The P0933 code indicates a problem with your vehicle's power steering pressure sensor circuit. This can substantially affect your car's steering response, making it more difficult to turn, especially at low speeds. If ignored, it may lead to increased wear on the steering system and could result in more costly repairs in the future.

What are the most common causes of P0933 and how much does it cost to fix?

Common causes of the P0933 code include a faulty power steering pressure sensor, wiring issues, or low power steering fluid levels. Repair costs vary, with sensor replacement ranging from $150 to $300, while wiring repairs typically cost between $100 and $200.

Can I drive my car with P0933 or should I stop immediately?

While you can technically drive with a P0933 code, it's highly discouraged due to potential steering difficulties that can compromise safety. It's best to address this issue promptly to prevent further damage.

How can I diagnose P0933 myself using GeekOBD APP?

To diagnose P0933 yourself using the GeekOBD APP, start by connecting the app to your vehicle's OBD-II port. Retrieve the diagnostic codes and examine the freeze frame data to understand the circumstances under which the code was triggered. You can also use the app to monitor live data from the power steering pressure sensor for real-time analysis.

What vehicles are most commonly affected by P0933?

The P0933 code is commonly found in vehicles such as the 2010-2015 Ford Fusion, 2011-2015 Chevrolet Malibu, and various models from manufacturers like Toyota and Honda from the same era. Always check for any recalls or technical service bulletins that may relate to the power steering system.

How can I prevent P0933 from happening again?

Preventing P0933 can be achieved through regular maintenance, including checking and topping off power steering fluid levels, inspecting wiring and connectors for wear, and monitoring for any unusual noises from the steering system.

What is P0933?

The DTC P0933 code indicates an issue with the power steering pressure sensor circuit, specifically related to its range or performance. This sensor plays a crucial role in monitoring the hydraulic pressure of the power steering system. When the signal from the sensor is outside the expected range, the vehicle's Engine Control Module (ECM) triggers this code. This can lead to steering difficulties, especially at low speeds, as the system may not provide the required assist. Real-world implications of ignoring this code can lead to increased effort needed to steer the vehicle, especially during parking maneuvers or tight turns. Additionally, if left unchecked, it could potentially result in damage to the power steering pump or other components, resulting in more expensive repairs down the line. Understanding P0933 is essential for maintaining vehicle safety and steering performance.

System: P - Powertrain (Engine, Transmission, Emissions)

Symptoms

Common symptoms when P0933 is present:

Check engine light illuminated consistently, indicating an issue with the vehicle's power steering system.
Difficulty steering, particularly noticeable when trying to turn at low speeds, such as in parking lots.
Unusual noises from the power steering pump, which might sound like whining or groaning when turning the steering wheel.
Increased effort required to turn the steering wheel, making it challenging for the driver, especially in tight spaces.
Fluid leaks under the vehicle, particularly near the power steering pump, indicating potential system failure.

Possible Causes

Most common causes of P0933 (ordered by frequency):

The most common cause of the P0933 code is a faulty power steering pressure sensor, which accounts for approximately 60% of cases. When this sensor fails, it may send incorrect signals to the ECM, triggering the code.
Another potential cause is wiring issues, such as frayed or corroded connections that disrupt the sensor's signal. These problems can often develop over time due to exposure to heat and moisture.
A third cause may be low power steering fluid levels, which can affect the system's pressure readings. Regular checks of fluid levels can help prevent this issue.
Less common but serious causes include a failing power steering pump that may not generate adequate pressure, risking complete steering failure.
Rarely, a malfunctioning ECM could misinterpret signals from the power steering system, resulting in a false P0933 code.

P0933 Repair Costs

Cost Breakdown by Repair Type

Power Steering Pressure Sensor Replacement

Replacing the faulty power steering pressure sensor with a new OEM part.

Total: $150 - $300
Success rate: 85%

Wiring Repair

Repairing or replacing damaged wiring in the sensor circuit.

Total: $100 - $200
Success rate: 75%

Power Steering Pump Replacement

In cases of pump failure, replacing the power steering pump.

Total: $400 - $700
Success rate: 90%

Money-Saving Tips for P0933

Start with the most common and least expensive repairs first
Use GeekOBD APP to confirm diagnosis before replacing expensive parts
Consider preventive maintenance to avoid future occurrences
Compare prices for OEM vs aftermarket parts based on your needs
Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional P0933 Diagnosis Process

Follow these systematic steps to accurately diagnose P0933. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes). Look for any leaks around the power steering pump.