P1728: Transmission Slip Error

MediumPowertrainTransmission

What does P1728 mean?

P1728 is a diagnostic trouble code indicating "Transmission Slip Error". This code relates to your vehicle's transmission and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Low or degraded transmission fluid
  • Worn clutch packs or bands
  • Faulty shift solenoid
  • Wiring issue to the transmission control module
  • Failing torque converter

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Code P1728 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

P1727Coast Clutch Solenoid Inductive Signature Malfunction
P1730Gear Control Malfunction 2,3,5
P17311-2 Shift Malfunction
P1724Gear 4 Incorrect Ratio