OBD-II Error Code P2758: How to Fix It

Medium 2-3 hours Medium Severity Verified July 2026
Error Code
P2758
Brand
OBD-II Generic
Product Type
automotive
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
2-3 hours
Error code P2758 indicates that the transmission control module (TCM) has detected the torque converter clutch (TCC) pressure control solenoid is stuck in the 'on' position. This can cause drivability issues such as harsh shifting or reduced fuel economy.
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Tools You'll Need

How to Fix Error Code P2758

  1. Check Transmission Fluid Level and Condition

    Transmission fluid can be hot; let the engine cool down if necessary.
  2. Inspect Wiring and Connectors

    Disconnect the battery before working on electrical components.
  3. Test the Solenoid Resistance

  4. Check for Diagnostic Trouble Codes (DTCs)

  5. Replace the TCC Pressure Control Solenoid

    Transmission fluid can be hot; drain while warm but not hot. Use proper disposal methods.

Parts You May Need

TCC Pressure Control Solenoid
Check Price on Amazon
Transmission Fluid
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TCC Pressure Control Solenoid
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Transmission Fluid
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TCC Pressure Control Solenoid
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Transmission Fluid
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TCC Pressure Control Solenoid
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Transmission Fluid
Check Price on Amazon
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When to Call a Professional

If you are not comfortable dropping the transmission pan or working with transmission internals, or if the problem persists after replacing the solenoid, consult a professional mechanic. Internal transmission damage may require specialist tools and expertise.

Frequently Asked Questions

Can I drive with error code P2758?
It is not recommended to drive with this code as it can cause harsh shifting, reduced fuel economy, and potentially damage the transmission over time.
What does TCC pressure control solenoid stuck on mean?
It means the solenoid that controls fluid pressure to the torque converter clutch is stuck in the open position, keeping the clutch engaged when it shouldn't be.
How much does it cost to fix P2758?
DIY cost is around $50-$150 for the solenoid and fluid. Professional repair may cost $300-$800 including labor.
Will clearing the code fix the problem?
Clearing the code only removes the warning; the underlying issue will cause the code to return unless the solenoid or wiring is repaired.
Is P2758 common in any specific vehicle?
It can occur in many vehicles, but is more common in GM and Chrysler transmissions (e.g., 4L60E, 42RLE).