P1238 — Cylinder 2 Injector Circuit Open Circuit

What Does P1238 Mean?

P1238 is a manufacturer-specific diagnostic trouble code: Cylinder 2 Injector Circuit Open Circuit. This code applies to VOLKSWAGEN, OTHER, FORD, LINCOLN, MERCURY vehicles. Unlike generic OBD-II codes, manufacturer-specific codes are defined by the vehicle maker and may only apply to certain makes and models.

Symptoms of P1238

⚠️ Check Engine Light (MIL) illuminated
⚠️ No signal from Cylinder 2 Injector
⚠️ Related system defaulting to backup values
⚠️ Reduced engine performance

Common Causes

🔍 Broken wire in Cylinder 2 Injector circuit
🔍 Disconnected Cylinder 2 Injector electrical connector
🔍 Cylinder 2 Injector internal open circuit failure
🔍 Corroded terminal pins preventing electrical contact

Frequently Asked Questions

What does P1238 mean?

P1238 indicates: Cylinder 2 Injector Circuit Open Circuit. The vehicle's computer has detected that the Cylinder 2 Injector is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1238?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1238 for extended periods may cause additional problems.

How much does it cost to fix P1238?

Repair costs for P1238 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

🔧 Locate and repair broken wire in Cylinder 2 Injector circuit
🔧 Replace damaged Cylinder 2 Injector connector
🔧 Replace Cylinder 2 Injector if internally open

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.

P1238: Cylinder 2 Injector Circuit Open Circuit