C0C23 - Understanding the Power Steering Control Module Error in 2016-2021 Ford Explorer and Other Models

Quick Answer

C0C23 means: C0C23 indicates a fault in the Power Steering Control Module.

Fix: Check and replace faulty components Cost: $400 - $800 Time: 90-180 minutes

Can I drive with C0C23? Immediate attention is recommended to avoid steering failure.

Common Questions

What does C0C23 mean and how does it affect my car?

C0C23 indicates a problem with your vehicle's Power Steering Control Module, which manages the power steering system. If this module fails, you may experience heavy steering, especially during low-speed turns, leading to potential safety hazards. Addressing this code is essential for maintaining safe steering capabilities.

What are the most common causes of C0C23 and how much does it cost to fix?

Common causes of C0C23 include a faulty Power Steering Control Module, wiring issues, and fluid contamination. Repair costs can range from $100 for fluid flushes to $800 for PSCM replacement, depending on the severity and nature of the issue.

Can I drive my car with C0C23 or should I stop immediately?

Driving with a C0C23 code is not recommended as it indicates a malfunction in the power steering system. Continuing to drive can lead to further damage and potential steering failure. It's best to address this issue as soon as possible.

How can I diagnose C0C23 myself using GeekOBD APP?

To diagnose C0C23 using the GeekOBD APP, start by connecting the OBD2 scanner to your vehicle's diagnostic port. Use the app to check for any codes and observe freeze-frame data. This will help you understand the conditions under which the C0C23 code was triggered, guiding your next steps.

What vehicles are most commonly affected by C0C23?

C0C23 is frequently reported in vehicles like the 2016-2021 Ford Explorer, as well as some models of the Ford Fusion and Escape from similar years. If you own one of these vehicles, be vigilant about power steering performance and be aware of this diagnostic code.

How can I prevent C0C23 from happening again?

Regular maintenance is key to preventing C0C23. Ensure timely fluid changes, inspect electrical connections for corrosion, and avoid overloading your vehicle's steering system. Keeping your vehicle's software up-to-date can also help prevent electronic glitches.

What is C0C23?

The DTC C0C23 code indicates a malfunction in the Power Steering Control Module (PSCM) that can significantly affect the vehicle's steering performance. This code is common in various modern vehicles, particularly from Ford, such as the 2016-2021 Ford Explorer. When the PSCM detects an abnormality, it may trigger the check engine light and lead to various steering issues. Drivers might experience increased steering effort, especially at lower speeds, or notice that the power steering system feels unresponsive. The power steering system relies on electronic signals to function effectively, and any disruption can lead to a lack of assistance, making it difficult to maneuver the vehicle safely. Ignoring the C0C23 code can lead to further complications, including potential steering failure, which poses a safety risk. If your vehicle shows this code, it’s crucial to have it diagnosed and repaired promptly to ensure safe and reliable operation.

System: C - Chassis (ABS, Steering, Suspension)

Symptoms

Common symptoms when C0C23 is present:

  • Check engine light remains illuminated, indicating a need for diagnostic attention.
  • Steering feels heavy or unresponsive, especially during low-speed maneuvers.
  • Increased effort required to turn the steering wheel, leading to driver fatigue over time.
  • Power steering fluid leaks present, potentially causing additional system issues.
  • Audible whining or grinding noise during steering, indicating possible mechanical failure.

Possible Causes

Most common causes of C0C23 (ordered by frequency):

  1. Faulty Power Steering Control Module (PSCM) - 40% likelihood; this component can fail due to electrical issues or internal malfunctions, leading to loss of power steering assist.
  2. Wiring issues or corroded connectors - 30% likelihood; damaged or frayed wiring can disrupt electrical signals, causing steering performance problems.
  3. Power steering fluid contamination - 15% likelihood; dirty or low fluid levels can lead to pump failure and reduced assist.
  4. Malfunctioning steering sensor - 10% likelihood; sensors that relay information to the PSCM can fail, resulting in incorrect readings.
  5. Less common: Software glitches - 5% likelihood; occasionally, the PSCM may require a software update to function correctly.

C0C23 Repair Costs

Cost Breakdown by Repair Type

PSCM Replacement

Replacing the Power Steering Control Module to restore proper steering function.

  • Total: $400 - $800
  • Success rate: 85%
Wiring Repair or Replacement

Repairing or replacing damaged wiring or connectors associated with the power steering system.

  • Total: $150 - $300
  • Success rate: 75%
Fluid Flush and Replacement

Flushing contaminated power steering fluid and replacing it with new fluid.

  • Total: $100 - $150
  • Success rate: 70%
Money-Saving Tips for C0C23
  • 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 C0C23 Diagnosis Process

Follow these systematic steps to accurately diagnose C0C23. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Perform a visual inspection - Check for damaged wires, loose connections, or signs of corrosion around the PSCM

Step 1: Perform a visual inspection - Check for damaged wires, loose connections, or signs of corrosion around the PSCM. This can take about 5-10 minutes.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: Use an OBD2 scanner with the GeekOBD APP - Retrieve the C0C23 code and any additional codes to provide context for the issue

Step 2: Use an OBD2 scanner with the GeekOBD APP - Retrieve the C0C23 code and any additional codes to provide context for the issue. This process typically takes around 10-15 minutes.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Test the PSCM and associated components - Use a multimeter to check for proper voltage and resistance in the power steering system components

Step 3: Test the PSCM and associated components - Use a multimeter to check for proper voltage and resistance in the power steering system components. Expect this to take 20-30 minutes.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: Conduct a system function test - After repairs, verify that the power steering system operates correctly and clear any codes from the ECU

Step 4: Conduct a system function test - After repairs, verify that the power steering system operates correctly and clear any codes from the ECU. This step usually takes 10-15 minutes.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Perform a road test - Drive the vehicle under various conditions to ensure the steering system functions properly and the C0C23 code does not return

Step 5: Perform a road test - Drive the vehicle under various conditions to ensure the steering system functions properly and the C0C23 code does not return. Allocate around 15-20 minutes for this.

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: PSCM Replacement in 2018 Ford Explorer

Vehicle: 2018 Ford Explorer, 45,000 miles

Problem: Customer reported heavy steering and check engine light illuminated.

Diagnosis: Diagnostic revealed C0C23 code and confirmed PSCM malfunction after testing components.

Solution: Replaced the Power Steering Control Module and cleared the codes.

Cost: $600 (including parts and labor)

Result: Steering performance returned to normal, and the customer was satisfied.

Case Study 2: Wiring Repair in 2017 Ford Fusion

Vehicle: 2017 Ford Fusion, 60,000 miles

Problem: Customer experienced intermittent power steering assist loss.

Diagnosis: Found damaged wiring harness connected to the PSCM causing sporadic failures.

Solution: Repaired wiring connections and verified proper operation.

Cost: $250 (for wiring repair)

Result: Power steering assist was restored, and the issue was resolved successfully.

Diagnose C0C23

Use GeekOBD APP for professional diagnosis!

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  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: C0C23
System: Chassis (ABS, Steering, Suspension)
Severity: HIGH
Category: Chassis Codes