P276A

Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit/Open

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
The gearbox goes into emergency mode
Deterioration of gear shifting
Reduced vehicle performance
Possible jerking when changing gears

Causes

Broken or damaged wires in the pump power circuit
Poor contact in pump connectors
Pump motor malfunction
Pump relay or fuse problems
Transmission control module (TCM) malfunction

How to Fix

Check the pump fuse and relay
Inspect the wiring harness and connectors for damage.
Check the voltage at the pump terminals
Test the pump motor
If necessary, replace the pump or damaged wiring components

Related codes

P276B P2769 P2770