P1236 — Fuel Pump Control Out of Range

What Does P1236 Mean?

P1236 is a manufacturer-specific diagnostic trouble code: Fuel Pump Control Out of Range. This code applies to FORD, LINCOLN, MERCURY, OTHER, MAZDA 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 P1236

⚠️ Check Engine Light (MIL) illuminated
⚠️ Fuel Pump Control Out of Range not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Reduced engine performance

Common Causes

🔍 Faulty Fuel Pump Control Out of Range
🔍 Wiring or connector issue in Fuel Pump Control Out of Range circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does P1236 mean?

P1236 indicates: Fuel Pump Control Out of Range. The vehicle's computer has detected that the Fuel Pump Control Out of Range is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P1236?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P1236 for extended periods may cause additional problems.

How much does it cost to fix P1236?

Repair costs for P1236 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 Fuel Pump Control Out of Range and related wiring
🔧 Replace faulty Fuel Pump Control Out of Range

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.

P1236: Fuel Pump Control Out of Range