P06FC - Engine Oil Pressure Control Circuit Performance Issue (Common in 2017-2020 Chevrolet Silverado)

Quick Answer

P06FC means: P06FC indicates a performance issue in the engine oil pressure control circuit, potentially leading to engine damage.

Fix: Check and replace faulty components Cost: $100 - $250 Time: 90-180 minutes

Can I drive with P06FC? Immediate attention is recommended to avoid serious engine issues.

Common Questions

What does P06FC mean and how does it affect my car?

The P06FC code indicates a problem with the engine oil pressure control system. This can lead to inadequate lubrication, causing engine wear and potentially catastrophic failure if not addressed. It's crucial to understand that low oil pressure can impact engine performance, leading to rough idling and increased fuel consumption.

What are the most common causes of P06FC and how much does it cost to fix?

Common causes of P06FC include a faulty oil pressure sensor, low oil levels, or a worn oil pump. Repair costs can range from $100 to $1000 depending on the issue, with sensor replacements being the most affordable option.

Can I drive my car with P06FC or should I stop immediately?

Driving with the P06FC code is not advisable, as it indicates a risk of low oil pressure, which can lead to severe engine damage. If you see this code, it's best to stop driving and seek professional help.

How can I diagnose P06FC myself using GeekOBD APP?

Using the GeekOBD APP, you can scan your vehicle for OBDII codes, including P06FC. Start by checking the current codes and freeze frame data to understand the context of the fault. You can also monitor live data, such as oil pressure readings, to identify issues more accurately.

What vehicles are most commonly affected by P06FC?

The P06FC code is frequently seen in vehicles such as the 2017-2020 Chevrolet Silverado, GMC Sierra, and various models from Ford and Dodge. Always check for any recalls or TSBs related to your specific model.

How can I prevent P06FC from happening again?

Regular maintenance is key to preventing P06FC. Ensure timely oil changes, use the correct oil type, and routinely check oil levels. Additionally, monitor the oil pressure gauge and address any irregularities immediately to avoid future problems.

What is P06FC?

The diagnostic trouble code (DTC) P06FC is related to the engine oil pressure control circuit performance issue. Specifically, this code indicates that the engine control module (ECM) has detected a fault in the oil pressure control system, which can lead to insufficient oil pressure. This is critical as oil pressure is vital for the lubrication and cooling of engine components. When the oil pressure is too low, it can cause significant engine wear and potential engine failure if not addressed promptly. Car owners may notice the check engine light illuminating, and in some cases, they may also experience rough idling, engine noise, or decreased performance. This code is particularly common in vehicles like the 2017-2020 Chevrolet Silverado and GMC Sierra. Ignoring this code can lead to severe engine damage, making it imperative to diagnose and repair any underlying issues as soon as possible. Regular maintenance, such as oil changes and oil filter replacements, can help prevent such issues, but if you see this code, it’s best to consult a professional mechanic for a thorough inspection and repair.

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

Symptoms

Common symptoms when P06FC is present:

  • Check engine light is illuminated, indicating a fault in the engine oil pressure system.
  • Engine may hesitate during acceleration, causing a feeling of reduced power.
  • Fuel economy may decrease by 10-15%, as the engine struggles to perform efficiently.
  • Unusual engine noise, such as knocking or ticking, may become noticeable due to inadequate lubrication.
  • In some cases, the engine may enter limp mode, limiting performance to prevent damage.

Possible Causes

Most common causes of P06FC (ordered by frequency):

  1. The most common cause of P06FC is a faulty oil pressure sensor, which accounts for about 50% of cases. If the sensor fails, it may send incorrect readings to the ECM, triggering the code.
  2. A second common cause is low engine oil levels or dirty oil. Insufficient oil can lead to poor lubrication and pressure issues, so regular oil changes are essential.
  3. A worn oil pump can also lead to insufficient oil pressure. Monitoring oil pressure is critical, and replacing the pump may be necessary if wear is detected.
  4. Less common but serious causes include internal engine damage, such as bearing wear or blockages in the oil passages, which could require extensive repairs.
  5. A rare cause could be an electrical issue, such as a short circuit or damaged wiring in the oil pressure control circuit, which would require thorough inspection to diagnose.

P06FC Repair Costs

Cost Breakdown by Repair Type

Oil Pressure Sensor Replacement

Replacing a faulty oil pressure sensor is the most common repair for P06FC.

  • Total: $100 - $250
  • Success rate: 95%
Oil Change and Filter Replacement

Performing an oil change can resolve low oil issues contributing to P06FC.

  • Total: $50 - $150
  • Success rate: 85%
Oil Pump Replacement

If the oil pump is worn, replacing it may be necessary to restore proper oil pressure.

  • Total: $500 - $1000
  • Success rate: 80%
Money-Saving Tips for P06FC
  • 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 P06FC Diagnosis Process

Follow these systematic steps to accurately diagnose P06FC. 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).

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: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (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: Component testing - Use a multimeter or specific diagnostic tools to test the oil pressure sensor and associated wiring (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the oil pressure sensor and associated wiring (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: System function test - Verify proper operation after repairs and clear codes, ensuring the system is functioning correctly (10-15 minutes)

Step 4: System function test - Verify proper operation after repairs and clear codes, ensuring the system is functioning correctly (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: Road test verification - Drive vehicle under various conditions to confirm repair success and monitor for any reoccurring issues (15-20 minutes)

Step 5: Road test verification - Drive vehicle under various conditions to confirm repair success and monitor for any reoccurring issues (15-20 minutes).

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: Oil Pressure Sensor Replacement in a 2018 Chevrolet Silverado

Vehicle: 2018 Chevrolet Silverado 1500, 45,000 miles

Problem: Customer reported a persistent check engine light and reduced engine performance.

Diagnosis: After running an OBD2 scan with GeekOBD APP, code P06FC was found. A visual inspection showed a faulty oil pressure sensor.

Solution: Replaced the oil pressure sensor and cleared the codes. Engine performance improved significantly after the repair.

Cost: $200 (sensor replacement and labor)

Result: Customer noticed improved engine performance and no further check engine light.

Case Study 2: Low Oil Levels Leading to P06FC in a 2019 Ford F-150

Vehicle: 2019 Ford F-150, 30,000 miles

Problem: Driver experienced rough idling and a check engine light.

Diagnosis: An OBD2 scan with GeekOBD APP revealed code P06FC. A manual check indicated low oil levels.

Solution: Performed an oil change and replaced the oil filter. Refilled oil to the proper level.

Cost: $120 (oil change and filter replacement)

Result: Rough idling ceased, and the check engine light turned off post-repair.

Diagnose P06FC

Use GeekOBD APP for professional diagnosis!

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

Code: P06FC
System: Powertrain (Engine, Transmission, Emissions)
Severity: HIGH
Category: Engine Codes