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All codes/P2758

P2758

Torque Converter Clutch Pressure Control Solenoid Control Circuit Stuck On

High severity

The TCC pressure control solenoid stays in the activated state when commanded off. TCC stays locked which can stall the engine on low-speed stops.

The TCC pressure control solenoid stays in the activated state when commanded off. TCC stays locked which can stall the engine on low-speed stops.

Common causes

  • Solenoid spool stuck in open position

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $330-2750

  • TCM output driver stuck on

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $330-2750

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Tools you may need

Already have a compatible scanner? Use it. If not, a Bluetooth OBD2 adapter can help you confirm engine codes and check supported live sensor data before replacing parts.

Illustration of a Bluetooth OBD2 adapter, not a product photo

Basic checks

Veepeak OBDCheck BLE

A Bluetooth LE adapter for reading standard engine codes and supported live data.

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Illustration of a Bluetooth OBD2 adapter, not a product photo

Regular diagnostics

vgate iCar Pro BLE 4.0

A Bluetooth LE adapter with an automatic sleep feature for routine code and sensor checks.

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Illustration of a Bluetooth OBD2 adapter, not a product photo

Another option

OBDLink CX

A Bluetooth LE adapter to consider when comparing supported vehicles and diagnostic apps.

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Illustrations shown, not product photos. Check vehicle, phone and app compatibility before buying. These adapters do not guarantee access to ABS, airbags or manufacturer-specific systems. Clearing a code does not repair the fault and can reset emissions readiness monitors.

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Related codes

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Frequently asked questions

What does P2758 mean?

P2758 means "Torque Converter Clutch Pressure Control Solenoid Control Circuit Stuck On". It is a generic OBD-II code that points to a fault in the cylinder contribution / balance.

What are the most common causes of P2758?

solenoid spool stuck in open position; tcm output driver stuck on; carbon or debris buildup preventing free movement — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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