P26DA — Engine Coolant Pump Clutch Control Circuit High

What Does P26DA Mean?

P26DA is a diagnostic trouble code indicating: Engine Coolant Pump Clutch Control Circuit High. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P26DA

⚠️ Check Engine Light (MIL) illuminated
⚠️ Engine Coolant Pump Clutch reading stuck at maximum value
⚠️ Related system operating erratically or in default mode
⚠️ Reduced engine performance

Common Causes

🔍 Short to voltage in Engine Coolant Pump Clutch wiring harness
🔍 Corroded or water-damaged Engine Coolant Pump Clutch connector
🔍 Faulty Engine Coolant Pump Clutch outputting maximum voltage
🔍 Damaged wiring rubbing against metal components
🔍 ECM/PCM internal fault (rare)

Frequently Asked Questions

What does P26DA mean?

P26DA indicates: Engine Coolant Pump Clutch Control Circuit High. The vehicle's computer has detected that the Engine Coolant Pump Clutch is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P26DA?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P26DA for extended periods may cause additional problems.

How much does it cost to fix P26DA?

Repair costs for P26DA 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

🔧 Inspect and repair Engine Coolant Pump Clutch wiring for short to voltage
🔧 Clean or replace corroded Engine Coolant Pump Clutch connector
🔧 Replace faulty Engine Coolant Pump Clutch

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.

P26DA: Engine Coolant Pump Clutch Control Circuit High