P1320 OBD Trouble Code

1 result found

P1320 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

ICM 4X Reference Circuit Intermittent
Cause

No Pulses DTC P0232 and P1376 not set, engine speed over 568 rpm, then the PCM did not receive any 4X Fuel Control pulses for 400 ms

Try also: https://www.obd-codes.com/p1320