P1652 OBD Trouble Code

1 result found

P1652 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Cooling Fan 2 Relay Control Circuit Conditions

Cause

Key on, then the PCM detected improper voltage level on ODM 'B' output 2 fault line circuit, all conditions met for 5-30 seconds (length of time to set varies by engine family)

Try also: https://www.obd-codes.com/p1652