P094B — Hydraulic Pump Stuck On

What Does P094B Mean?

P094B is a diagnostic trouble code indicating: Hydraulic Pump Stuck On. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P094B

⚠️ Check Engine Light (MIL) illuminated
⚠️ Hydraulic Pump remains active when it should be off
⚠️ Related system running continuously
⚠️ Harsh or delayed shifting

Common Causes

🔍 Hydraulic Pump mechanically stuck in active position
🔍 Short circuit holding Hydraulic Pump control on
🔍 Faulty Hydraulic Pump driver circuit in ECM/PCM

Frequently Asked Questions

What does P094B mean?

P094B indicates: Hydraulic Pump Stuck On. The vehicle's computer has detected that the Hydraulic Pump is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P094B?

Only short distances if absolutely necessary. P094B affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix P094B?

Repair costs for P094B typically range from $50 to $500, 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 Hydraulic Pump for mechanical binding or debris
🔧 Replace stuck Hydraulic Pump
🔧 Check Hydraulic Pump control circuit for short

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.

P094B: Hydraulic Pump Stuck On