Goodman GSX160361 3 Ton 16 SEER Central Air Conditioner with Scroll Compressor TXV-FAIL Error Fix: Expansion Valve / Piston Failure

Error code TXV-FAIL on the Goodman GSX160361 3 Ton 16 SEER Central Air Conditioner with Scroll Compressor means: Expansion Valve / Piston Failure. The refrigerant metering device has failed — TXV-equipped units: valve stuck open (flooding evaporator), stuck closed (starving evaporator), or hunting (surging superheat); piston-equipped units: piston blocked by debris or wrong size installed; symptoms include poor cooling and abnormal superheat/subcooling readings; professional diagnosis required

The most successful fix is "Test and Replace Faulty TXV or Piston Metering Device" (hard difficulty, ~120 minutes). Estimated DIY cost: $0-$50. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Test and Replace Faulty TXV or Piston Metering Device") is rated hard difficulty and takes about 120 minutes. Tools needed: T20 Torx screwdriver, Manifold gauge set, Refrigerant recovery system, Vacuum pump.

DIY cost: $0-$50. Professional repair typically costs $400-$700. Many homeowners save money by trying the top-ranked community fix first.

The Goodman GSX160361 3 Ton 16 SEER Central Air Conditioner with Scroll Compressor has 8 other known error codes, including: CAP-FAIL (Run/Start Capacitor Failure), COMP-FAIL (Compressor Failure), COMP-OVERHEAT (Compressor Overheating / Thermal Overload), CONTACTOR (Contactor Failure), DIRTY-COND (Dirty Condenser Coil), and 3 more.

Error code TXV-FAIL also appears on 1 other Goodman model: GSX140361 3 Ton 14 SEER Air Conditioner Condenser. The fix may vary by model, so check each model's specific page for tailored repair steps.