P1644 OBD Trouble Code

1 result found

P1644 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Traction Control Delivered Torque Output Circuit Conditions

Cause

Key on or engine running, brake not applied, Fuel system in closed loop, then the PCM detected an improper voltage level on the Delivered Torque Output circuit, conditions met for 10 seconds

Try also: https://www.obd-codes.com/p1644