OBD-II code system
Network codes (U)
Module-to-module communication, bus faults and software compatibility between control units.
281 published codes in this system.
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Other codes in this system
These sit in blocks with too few published codes to justify their own page, so they are listed here in full.
Grouped guides in this system
Some codes are best read together. These hubs cover a whole set at once and list every code in them.
- Lost Communication With Restraints System Sensor (10 codes)
- Software Incompatibility With Hybrid/EV Battery Interface Control Module (10 codes)
- Invalid Data Received From Restraints System Sensor (8 codes)
- Invalid Data Received From Body Control Module (5 codes)
- Invalid Data Received From Gateway (5 codes)
- Lost Communication With Gateway (5 codes)
- Lost Communication with Body Control Module (4 codes)
- Software Incompatibility With Active Grille Air Shutter Module (4 codes)
- Software Incompatibility With Battery Energy Control Module (3 codes)
- Invalid Data Received From Automated Driving System Control Module (2 codes)
- Invalid Data Received From Automated Driving System Interface Module (2 codes)
- Invalid Data Received From Battery Energy Control Module (2 codes)
- Invalid Data Received From Chassis Control Module (2 codes)
- Invalid Data Received From Exhaust Gas Recirculation Control Module (2 codes)
- Invalid Data Received From Information Center (2 codes)
- Invalid Data Received From Power Steering Control Module (2 codes)
- Invalid Data Received From Rocker Arm Control Module (2 codes)
- Invalid Data Received From Suspension Control Module (2 codes)
- Invalid Data Received From Turbocharger/Supercharger Control Module (2 codes)
- Invalid Data Received From Vacuum Sensor (2 codes)
- Lost Communication with Battery Energy Control Module (2 codes)
- Software Incompatibility With Body Control Module (2 codes)