OBD-II Code P2757 — What It Means & How to Fix It

What it means

P2757 means the torque converter clutch (TCC) pressure control solenoid is not responding to commands as expected.
The TCC locks the transmission to the engine at highway speeds for better fuel economy — when the solenoid fails, you may notice shuddering, poor fuel economy, or transmission overheating.
A transmission fluid service is often the first step to try.

Affected Models

All vehicles 1996+ with automatic transmissions
Common in GM vehicles with 4L60E and 6L80E transmissions
Common in Ford vehicles with 6R80 transmissions
Common in Chrysler/Dodge vehicles with 8HP transmissions

Common Causes

Failed or contaminated TCC pressure control solenoid
Dirty transmission fluid clogging the solenoid orifice
Worn torque converter clutch material causing slippage during lock-up
Low transmission fluid pressure affecting solenoid response
TCM software fault miscalculating solenoid duty cycle

How to Fix It

Check transmission fluid level and condition — change if it is dirty or burnt.

Contaminated fluid clogs the small solenoid orifice and causes erratic pressure control — fresh fluid is always the first corrective step.
Scan for companion codes — P0740 and P0741 often appear with this code.

Companion TCC codes help determine whether the issue is electrical (solenoid/wiring) or mechanical (worn converter clutch).
Perform a transmission fluid and filter change as a first corrective step.

A filter change removes contamination that can block solenoid passages — many P2757 cases resolve after a full fluid and filter service.
Test solenoid resistance and operation with a scan tool output function.

Commanding the solenoid on and off with the scan tool while measuring resistance confirms whether it is responding electrically.
Replace the TCC solenoid if it fails command response testing.

TCC solenoids are often sold as part of a full solenoid pack — replacing the pack ensures all solenoids are fresh at once.

When to Call a Professional

TCC shudder or slippage at highway speeds should be diagnosed promptly to protect the torque converter.
A technician will service the transmission fluid, test solenoid resistance, and command the solenoid with a scan tool.
Solenoid replacement runs $150–$400; torque converter replacement can reach $800–$2,000 installed.

Frequently Asked Questions

What does torque converter shudder feel like?

It feels like a light vibration or shudder through the car, usually at 40–60 mph under light throttle.
It often gets worse when you lightly press the accelerator to maintain highway speed.
This is a classic sign of TCC clutch wear or a contaminated solenoid.

Can a transmission fluid change fix P2757?

Sometimes, especially if the solenoid is just clogged with fluid contamination.
Fresh fluid and a new filter can restore proper solenoid operation if the clutch material is not yet worn.
If the torque converter itself is worn, a fluid change will not fix the mechanical damage.

How much does a TCC solenoid cost?

Individual solenoids cost $30–$100 for the part.
Many shops recommend replacing the full solenoid pack at $100–$250 for complete peace of mind.
Labor adds $150–$400 depending on transmission accessibility and pan removal difficulty.