P1738: Shift Time Error

MediumPowertrainTransmission

What does P1738 mean?

P1738 is a diagnostic trouble code indicating "Shift Time 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.

Get a diagnosis for YOUR car

Code P1738 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

Download on iOSGet on AndroidUse on Web

Related codes

P1736Second Gear Switch Circuit Malfunction
P1740Torque Converter Clutch Inductive Signature Malfunction
P1735First Gear Switch Circuit Malfunction
P1741Torque Converter Clutch Control Error