P0731 OBD Trouble Code

1 result found

P0731 - GM
Type Powertrain - Transmission - ISO/SAE Controlled
Description

Transaxle - No First Gear Conditions

Cause

Vehicle speed over 3 mph, Turbine Shaft Speed over 224 rpm, no turbine shaft or vehicle speed signal noise, high line pressure commanded, then the PCM detected twice per vehicle trip, that the ratio failure counter equaled 255 for an in-gear fault, or the shift Counter was over 100 on a downshift to 1st gear in acceleration

Try also: https://www.obd-codes.com/p0731