P22DA — Cylinder 1 Alternative Fuel Injector Control Circuit Low

What Does P22DA Mean?

P22DA is a diagnostic trouble code indicating: Cylinder 1 Alternative Fuel Injector Control Circuit Low. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P22DA

⚠️ Check Engine Light (MIL) illuminated
⚠️ Cylinder 1 Alternative Fuel Injector reading at zero or minimum value
⚠️ Related system not functioning or in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Open or broken wire in Cylinder 1 Alternative Fuel Injector circuit
🔍 Poor ground connection at Cylinder 1 Alternative Fuel Injector
🔍 Faulty Cylinder 1 Alternative Fuel Injector with no output signal
🔍 Disconnected or loose Cylinder 1 Alternative Fuel Injector connector
🔍 Blown fuse in related circuit

Frequently Asked Questions

What does P22DA mean?

P22DA indicates: Cylinder 1 Alternative Fuel Injector Control Circuit Low. The vehicle's computer has detected that the Cylinder 1 Alternative Fuel Injector is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P22DA?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P22DA for extended periods may cause additional problems.

How much does it cost to fix P22DA?

Repair costs for P22DA typically range from $20 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

🔧 Repair broken wire or restore ground in Cylinder 1 Alternative Fuel Injector circuit
🔧 Clean and secure Cylinder 1 Alternative Fuel Injector connector and ground points
🔧 Replace failed Cylinder 1 Alternative Fuel Injector

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.

P22DA: Cylinder 1 Alternative Fuel Injector Control Circuit Low