P1660 OBD Trouble Code

1 result found

P1660 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

TCM Generator Field Driven Device Conditions
Cause

Engine running, then the TCM detected a fault in the Generic Field Driven (GFD) "FET" driver.

Try also: https://www.obd-codes.com/p1660