P0618 — Alternative Fuel Control Module KAM Error

What Does P0618 Mean?

P0618 is a diagnostic trouble code indicating: Alternative Fuel Control Module KAM Error. This code relates to the computer and output circuits system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P0618

⚠️ Check Engine Light (MIL) illuminated
⚠️ Alternative Fuel Control Module KAM Error not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Multiple system malfunctions

Common Causes

🔍 Faulty Alternative Fuel Control Module KAM Error
🔍 Wiring or connector issue in Alternative Fuel Control Module KAM Error circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P0618 mean?

P0618 indicates: Alternative Fuel Control Module KAM Error. The vehicle's computer has detected that the Alternative Fuel Control Module KAM Error is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P0618?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P0618 for extended periods may cause additional problems.

How much does it cost to fix P0618?

Repair costs for P0618 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 ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

🔧 Inspect Alternative Fuel Control Module KAM Error and related wiring
🔧 Replace faulty Alternative Fuel Control Module KAM Error

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P0618: Alternative Fuel Control Module KAM Error