P25BE: Alternative Fuel Disable Control Circuit/Open
Severity
Medium
System
Powertrain
What Does P25BE Mean?
P25BE is a diagnostic trouble code indicating: Alternative Fuel Disable Control Circuit/Open. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Symptoms of P25BE
- β οΈ Check Engine Light (MIL) illuminated
- β οΈ Erratic Alternative Fuel Disable readings
- β οΈ Related system operating intermittently
- β οΈ Reduced engine performance
Common Causes
- π Wiring issue in Alternative Fuel Disable circuit (damaged, chafed, or corroded)
- π Faulty Alternative Fuel Disable connector or terminal
- π Failed Alternative Fuel Disable
- π ECM/PCM connection issue
Frequently Asked Questions
What does P25BE mean?
P25BE indicates: Alternative Fuel Disable Control Circuit/Open. The vehicle's computer has detected that the Alternative Fuel Disable is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P25BE?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P25BE for extended periods may cause additional problems.
How much does it cost to fix P25BE?
Repair costs for P25BE typically range from $80 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 ($80β$150 at most shops) will identify the exact cause before committing to expensive parts.
What To Do Next
Possible Fixes
- π§ Inspect and repair Alternative Fuel Disable wiring and connectors
- π§ Replace faulty Alternative Fuel Disable
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50β$150) pinpoints the root cause.
Related Codes
P2500
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P2503
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P2504
Charging System Voltage High
P2505
ECM/PCM Power Input Signal
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ECM/PCM Power Input Signal Range/Performance
P2507
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P2508
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P2509
ECM/PCM Power Input Signal Intermittent