P28F5 — Engine Disconnect Clutch Pressure Sensor Circuit Intermittent/Erratic

What Does P28F5 Mean?

P28F5 is a diagnostic trouble code indicating: Engine Disconnect Clutch Pressure Sensor Circuit Intermittent/Erratic. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P28F5

⚠️ Check Engine Light (MIL) illuminated
⚠️ Engine Disconnect Clutch Pressure Sensor signal cutting in and out
⚠️ Related system working sometimes but not consistently
⚠️ Reduced engine performance

Common Causes

🔍 Loose or intermittent connection at Engine Disconnect Clutch Pressure Sensor
🔍 Wire chafing causing intermittent contact
🔍 Engine Disconnect Clutch Pressure Sensor failing under heat or vibration
🔍 Corroded connector pins with partial contact

Frequently Asked Questions

What does P28F5 mean?

P28F5 indicates: Engine Disconnect Clutch Pressure Sensor Circuit Intermittent/Erratic. The vehicle's computer has detected that the Engine Disconnect Clutch Pressure Sensor is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P28F5?

Yes, P28F5 is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.

How much does it cost to fix P28F5?

Repair costs for P28F5 typically range from $30 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect and reseat all Engine Disconnect Clutch Pressure Sensor connectors
🔧 Repair chafed or damaged wiring in Engine Disconnect Clutch Pressure Sensor circuit
🔧 Replace Engine Disconnect Clutch Pressure Sensor if failing intermittently

1
Find your vehicle above
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2
Check for recalls
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P28F5: Engine Disconnect Clutch Pressure Sensor Circuit Intermittent/Erratic