OBD2 Automotive Error Code P0750: How to Fix It

Hard 3-5 hours High Severity Verified June 2026
Error Code
P0750
Brand
OBD2
Product Type
automotive
Severity
High
DIY Difficulty
Hard
Estimated Fix Time
3-5 hours
OBD2 error code P0750 indicates a malfunction with shift solenoid A in your vehicle's automatic transmission. This solenoid controls gear shifting, and when it fails, you may experience harsh shifting, stuck gears, or transmission slipping. While this is a serious issue that affects drivability, many cases can be resolved with proper diagnosis and repair.
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Tools You'll Need

How to Fix Error Code P0750

  1. Turn off engine and engage parking brake

    Never work under a vehicle without proper jack stands. Hot transmission fluid can cause severe burns.
  2. Connect OBD2 scanner and verify code

  3. Check transmission fluid level and condition

    Engine must be running and transmission warm for accurate fluid level reading.
  4. Locate transmission solenoid pack

    Ensure vehicle is properly supported on jack stands before working underneath.
  5. Remove transmission oil pan

    Transmission fluid will be hot and can cause burns. Wear safety glasses and gloves.
  6. Test solenoid A electrical resistance

  7. Replace solenoid A if faulty

    Do not over-tighten bolts as this can crack the valve body.
  8. Replace transmission filter

  9. Reinstall oil pan with new gasket

    Do not over-tighten pan bolts as this can warp the pan or damage threads.
  10. Refill transmission fluid and test

    Use only the transmission fluid type specified in your owner's manual.

Parts You May Need

Shift solenoid A
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Transmission filter
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Transmission oil pan gasket
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Automatic transmission fluid
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Solenoid O-rings
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Shift solenoid A
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Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
Shift solenoid A
Check Price on Amazon
Transmission filter
Check Price on Amazon
Transmission oil pan gasket
Check Price on Amazon
Automatic transmission fluid
Check Price on Amazon
Solenoid O-rings
Check Price on Amazon
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When to Call a Professional

Contact a qualified transmission specialist if you're uncomfortable working under the vehicle, lack proper tools, or if the transmission has internal damage indicated by metal particles in the fluid. Professional diagnosis is recommended if multiple solenoids are failing or if the valve body needs replacement.

Frequently Asked Questions

Can I drive with P0750 error code?
You can drive short distances in limp mode, but it's not safe for extended driving. The transmission may not shift properly, get stuck in one gear, or shift harshly, which can cause further damage.
How much does it cost to fix P0750 error?
DIY repair costs $50-150 for solenoid replacement plus fluid and filter. Professional repair ranges from $300-800 depending on labor rates and whether additional transmission work is needed.
What causes shift solenoid A to fail?
Common causes include dirty transmission fluid, electrical problems, internal wear, or contamination from metal particles. Regular fluid changes can prevent many solenoid failures.
Will P0750 clear itself?
No, P0750 will not clear itself. The underlying solenoid problem must be repaired. Even if you clear the code manually, it will return if the solenoid is still faulty.
How do I know if it's the solenoid or wiring?
Test the solenoid's electrical resistance with a multimeter. Check wiring for damage, corrosion, or loose connections. If wiring and connectors are good but solenoid resistance is out of spec, replace the solenoid.