P2797

Electric/Auxiliary Transmission Fluid Pump A Performance/Stuck Off

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Gear shifting problems
Transmission transition to emergency mode
Check Engine Light Illuminates
Unusual noises from the transmission area
Reduced transmission efficiency

Causes

Malfunction of the electric transmission fluid pump
Problems with wiring or connectors
Low transmission fluid level
Dirty or clogged pump
Transmission control module (TCM) malfunction

How to Fix

Check the level and condition of the transmission fluid
Diagnose the electrical circuit of the pump for breaks and short circuits
Check the functionality of the pump itself
If necessary, replace the electric transmission fluid pump
Scan the transmission control module for additional errors

Related codes

P2798 P2796 P2799