P0B0C

Electric/Auxiliary Transmission Fluid Pump A Hydraulic Leakage

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–167 (est.)

Symptoms

Reduced transmission efficiency
The Check Engine light comes on
Transmission fluid leaks under the car
Noises or humming from the transmission area
Gear shifting problems

Causes

Worn or damaged pump seals
Mechanical damage to the pump housing
Loose hydraulic line connections
Low quality transmission fluid
Corrosion or damage to pump components

How to Fix

Check the level and condition of the transmission fluid
Inspect the pump and surrounding components for leaks
Replace damaged seals or gaskets
If necessary, replace the transmission fluid pump
Check hydraulic connections for leaks

Related codes

P0B0B P0B0D P0B0E