P0C29 — Electric/Auxiliary Transmission Fluid Pump A Driver Circuit Performance

What Does P0C29 Mean?

P0C29 is a diagnostic trouble code indicating: Electric/Auxiliary Transmission Fluid Pump A Driver Circuit Performance. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P0C29

⚠️ Check Engine Light (MIL) illuminated
⚠️ Electric/Auxiliary Transmission Fluid Pump A Driver not meeting expected output
⚠️ Degraded performance of related system
⚠️ System warning light illuminated

Common Causes

🔍 Electric/Auxiliary Transmission Fluid Pump A Driver degraded from age or contamination
🔍 Mechanical wear in Electric/Auxiliary Transmission Fluid Pump A Driver or related parts
🔍 Restriction or blockage affecting Electric/Auxiliary Transmission Fluid Pump A Driver
🔍 Calibration drift in Electric/Auxiliary Transmission Fluid Pump A Driver

Frequently Asked Questions

What does P0C29 mean?

P0C29 indicates: Electric/Auxiliary Transmission Fluid Pump A Driver Circuit Performance. The vehicle's computer has detected that the Electric/Auxiliary Transmission Fluid Pump A Driver is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P0C29?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P0C29 for extended periods may cause additional problems.

How much does it cost to fix P0C29?

Repair costs for P0C29 typically range from $50 to $400, 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 Electric/Auxiliary Transmission Fluid Pump A Driver for contamination or wear
🔧 Replace Electric/Auxiliary Transmission Fluid Pump A Driver
🔧 Address any related mechanical faults

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.

P0C29: Electric/Auxiliary Transmission Fluid Pump A Driver Circuit Performance