P1641 OBD Trouble Code

1 result found

P1641 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

MIL Control Circuit Conditions

Cause

Key on or engine running, then the PCM received an improper voltage level on ODM A' output 1 circuit, all conditions met for 5-30 seconds (length of time to set varies by engine family)

Try also: https://www.obd-codes.com/p1641