P1602 OBD Trouble Code

1 result found

P1602 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Knock Sensor Module Performance Conditions

Cause

Engine running, ECT sensor input more than 104°F, then the PCM detected a fault in the internal Knock Sensor module or its circuit

Try also: https://www.obd-codes.com/p1602