2018 GMC Sierra OBDII Codes List

Lost Communication with Hybrid/EV Powertrain Control Module 2

Powertrain Wake-Up Communication Circuit

Lost Communication with Hybrid Powertrain Control Module on Powertrain Expansion CAN Bus Malfunction

Lost Communication with Engine Control Module on Powertrain Expansion Communication Bus

Hybrid Powertrain Control Module Lost Communication with Battery Energy Control Module on Powertrain Expansion CAN Bus Malfunction

Lost Communication with Hybrid/EV Powertrain Control Module 2 on Powertrain Expansion Communication Bus

Lost Communication with Amplifier on Low Speed CAN Bus

Lost Communication with Telematics Communication Interface Control Module on Low Speed CAN Bus

Lost Communication with Body Control Module on Low Speed CAN Bus

Lost Communication with Remote Heater and Air Conditioning Control Module on Low Speed CAN Bus

Lost Communication with Instrument Cluster on Low Speed CAN Bus

Lost Communication with Radio on Low Speed CAN Bus

Lost Communication with Inflatable Restraint Sensing and Diagnostic Module on Low Speed CAN Bus

Lost Communication with Fuel Pump Driver Control Module

Primary High Speed CAN Bus Subnet Configuration List

Secondary High Speed CAN Bus Subnet Configuration List

Glow Plug Control Module Lost Communication with Engine Control Module

MOST Communication Enable Circuit Malfunction

High Speed Communication Enable Circuit

CAN Bus Communication