P0B02

Electric/Auxiliary Transmission Fluid Pump Motor Phase U Current High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Illuminates
Deterioration of gear shifting
Unusual noises from the transmission area
Reduced transmission efficiency
Transmission transition to emergency mode

Causes

Pump motor malfunction
Problems with wiring or connectors
Pump control module malfunction
Mechanical problems of the pump (seizing, wear)
Problems with power or grounding of the circuit

How to Fix

Check the condition of the wiring and connectors of the pump
Measure the resistance of the motor windings
Check pump operation using diagnostic equipment
Replace the faulty electric motor or pump assembly
Check and, if necessary, replace the pump control module

Related codes

P0B01 P0B03 P0B04