P2770

Torque Converter Clutch Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–167 (est.)

Symptoms

Increased fuel consumption
Gear shifting problems
Check Engine light comes on
Reduced acceleration dynamics
Vibrations when driving at cruising speed

Causes

Open or short circuit in the gas turbine engine blocking control circuit
Engine blocking solenoid malfunction
Problems with wiring harness or contacts
Transmission control module (TCM) malfunction
Mechanical problems in the torque converter

How to Fix

Check the integrity of the gas turbine engine blocking control circuit
Test the resistance of the lockout solenoid
Inspect connectors and wiring harness for damage
Check the operation of the transmission control unit
If necessary, replace the torque converter

Related codes

P2769 P2771 P0740