Network & Communication OBD-II Codes
135 fault codes in this category. Click any code for detailed causes, diagnostic steps, and repair costs.
Serial Communication Link Malfunction
Internal Control Module Memory Check Sum Error
Control Module Programming Error
Internal Control Module KAM Error
Internal Control Module RAM Error
Internal Control Module ROM Error
ECM/PCM Processor Fault
Control Module Performance
Control Module VSS Output A Malfunction
Control Module VSS Output B Malfunction
Control Module Vehicle Options Error
High Speed CAN Communication Bus
Lost Communication With ECM/PCM A
Lost Communication With TCM
Lost Communication With Transfer Case Control Module
Lost Communication With Gear Shift Module
Lost Communication With Cruise Control Module
Lost Communication With Fuel Injector Control Module
Lost Communication With Glow Plug Control Module
Lost Communication With Throttle Actuator Control Module
Lost Communication With Alternative Fuel Control Module
Lost Communication With Fuel Pump Control Module
Lost Communication With Drive Motor Control Module
Lost Communication With Battery Energy Control Module
Lost Communication With Battery Energy Control Module B
Lost Communication With Emissions Critical Control Information
Lost Communication With Four-Wheel Drive Clutch Control Module
Lost Communication With ECM/PCM B
Lost Communication With Vehicle Immobilizer Control Module
Lost Communication With Passive Restraint Control Module
Lost Communication With Power Steering Control Module
Lost Communication With Heated Steering Wheel Module
Lost Communication With Starter/Generator Control Module
Lost Communication With Anti-Lock Brake System Module
Lost Communication With Vehicle Dynamics Control Module
Lost Communication With Yaw Rate Sensor Module
Lost Communication With Lateral Acceleration Sensor Module
Lost Communication With Multi-axis Acceleration Sensor Module
Lost Communication With Steering Angle Sensor Module
Lost Communication With Trailer Brake Control Module
Lost Communication With Park Brake Control Module
Lost Communication With Brake System Control Module
Lost Communication With Steering Effort Control Module
Lost Communication With Power Steering Control Module
Lost Communication With Ride Level Control Module
Lost Communication With Suspension Damper Control Module
Lost Communication With Roll Stability Control Module
Lost Communication With Differential Control Module -- Front
Lost Communication With Differential Control Module -- Rear
Lost Communication With Active Roll Control Module
Lost Communication With All-Terrain Control Module
Lost Communication With Ride Quality Control Module
Lost Communication With Body Control Module
Lost Communication With Body Control Module A
Lost Communication With Body Control Module B
Lost Communication With Body Control Module C
Lost Communication With Traction Motor Control Module
Lost Communication With Traction Motor Control Module B
Lost Communication With Gateway A
Lost Communication With Gateway B
Lost Communication With Accessory Protocol Interface Module
Lost Communication With Seat Control Module A
Lost Communication With Seat Control Module B
Lost Communication With Restraints Control Module (Airbag)
Lost Communication With Side Obstacle Detection Control Module -- Left
Lost Communication With Side Obstacle Detection Control Module -- Right
Lost Communication With Obstacle Detection Control Module -- Rear
Lost Communication With Instrument Panel Cluster
Lost Communication With Information Center A
Lost Communication With Information Center B
Lost Communication With Head-Up Display Module
Lost Communication With Park Brake Control Module
Lost Communication With Parking Assist Control Module
Lost Communication With Compass Module
Lost Communication With Navigation Control Module
Lost Communication With Navigation Map Database Module
Lost Communication With HVAC Control Module
Lost Communication With Vehicle Dynamics Control Module
Lost Communication With Vehicle Dynamics Control Module B
Lost Communication With Immobilizer Control Module
Lost Communication With Vehicle Immobilizer Control Module
Lost Communication With Sunroof Control Module
Lost Communication With Restraints Occupant Classification Module
Lost Communication With Restraints Dimming Sensor Module
Lost Communication With Chassis Control Module
Lost Communication With Fuel Pump Control Module
Lost Communication With Turbocharger Boost Control Module
Lost Communication With Generator Control Module
Lost Communication With Heated Steering Wheel Module
Lost Communication With Exhaust Gas Sensor Heater Control Module
Lost Communication With Seat Memory Module A
Lost Communication With Steering Effort Control Module
Lost Communication With Automatic Headlamp Leveling Module
Lost Communication With Blind Spot Detection Module
Lost Communication With Lane Departure Warning Module
Lost Communication With Door Control Module A
Lost Communication With Audio/Entertainment Control Module A
Lost Communication With Auxiliary Audio Input Module
Lost Communication With Audio Amplifier Module A
Lost Communication With Satellite Radio Receiver Module
Lost Communication With Hands-Free Telephone Module
Lost Communication With Rear Entertainment Control Module
Lost Communication With HVAC Data Display Module
Lost Communication With Television Control Module
Lost Communication With Personal Computer Interface Module
Lost Communication With Fuel Cell Control Module
Lost Communication With Ignition Switch Module
Lost Communication With Front Distance Range Sensor
Lost Communication With Rear Distance Range Sensor
Lost Communication With Trailer Brake Control Module
Lost Communication With Telematic Control Module
Lost Communication With Door Control Module B
Lost Communication With Door Control Module C
Internal Control Module Software Incompatibility
Software Incompatibility With ECM/PCM
Software Incompatibility With Transmission Control Module
Software Incompatibility With Transfer Case Control Module
Software Incompatibility With Cruise Control Module
Software Incompatibility With Body Control Module
Software Incompatibility With Instrument Panel Module
Software Incompatibility With HVAC Control Module
Software Incompatibility With Seat Control Module
Software Incompatibility With Auxiliary Heater Control Module
Invalid Data Received From ECM/PCM
Invalid Data Received From ECM/PCM
Invalid Data Received From Transmission Control Module
Invalid Data Received From Transfer Case Control Module
Invalid Data Received From HVAC Control Module
Invalid Data Received From Cruise Control Module
Invalid Data Received From Body Control Module
Invalid Data Received From Instrument Panel Module
Invalid Data Received From Steering Effort Control Module
Invalid Data Received From Park Brake Control Module
Invalid Data Received From Fuel Pump Control Module
Invalid Data Received From Body Control Module