Network (U) Codes
CAN bus and module communication codes. 146 codes found.
Most Common Network (U) Codes
All Network (U) Codes
U0001Critical
High Speed CAN Communication Bus
U0002Severe
High Speed CAN Communication Bus Performance
U0003Critical
High Speed CAN Communication Bus Open
U0004Critical
High Speed CAN Communication Bus Short to Ground
U0005Critical
High Speed CAN Communication Bus Short to Battery
U0006Severe
Medium Speed CAN Communication Bus
U0007Moderate
Medium Speed CAN Communication Bus Performance
U0008Severe
Medium Speed CAN Communication Bus Open
U0009Severe
Medium Speed CAN Communication Bus Short to Ground
U0010Severe
Medium Speed CAN Communication Bus Short to Battery
U0011Moderate
Low Speed CAN Communication Bus
U0012Moderate
Low Speed CAN Communication Bus Performance
U0013Moderate
Low Speed CAN Communication Bus Open
U0014Moderate
Low Speed CAN Communication Bus Short to Ground
U0015Moderate
Low Speed CAN Communication Bus Short to Battery
U0016Moderate
LIN Bus Communication Malfunction
U0017Low
LIN Bus Communication Performance
U0018Moderate
LIN Bus Communication Open
U0019Moderate
LIN Bus Communication Short to Ground
U0020Moderate
LIN Bus Communication Short to Battery
U0021Moderate
Single Wire CAN Communication Bus
U0022Moderate
Single Wire CAN Communication Performance
U0023Moderate
MOST Communication Bus Malfunction
U0024Severe
FlexRay Communication Bus Malfunction
U0025Moderate
FlexRay Communication Bus Performance
U0026Moderate
Ethernet Communication Bus Malfunction
U0028Critical
Vehicle Communication Bus A Off
U0029Critical
Vehicle Communication Bus B Off
U0030Severe
Vehicle Communication Bus C Off
U0031Severe
Vehicle Communication Bus D Off
U0033Moderate
Vehicle Communication Bus E Data Missing
U0037Moderate
Vehicle Communication Bus F Malfunction
U0040Severe
Lost Communication with Body Control Module A
U0041Severe
Lost Communication with Body Control Module B
U0046Critical
Lost Communication with Restraints Control Module
U0047Critical
Lost Communication with Crash Sensor - Front
U0048Critical
Lost Communication with Crash Sensor - Side
U0049Critical
Lost Communication with Rollover Sensor
U0050Severe
Lost Communication with Steering Effort Control Module
U0051Severe
Lost Communication with Electric Power Steering Module
U0055Moderate
Lost Communication with Cruise Control Module
U0056Low
Lost Communication with Park Assist Module
U0057Moderate
Lost Communication with Parking Brake Control Module
U0060Low
Lost Communication with Headlamp Leveling Module
U0062Severe
Lost Communication with Vehicle Security Module
U0064Low
Lost Communication with Rear HVAC Module
U0065Low
Lost Communication with Auxiliary HVAC Module
U0070Moderate
Lost Communication with Door Module A
U0071Moderate
Lost Communication with Door Module B
U0072Moderate
Lost Communication with Door Module C
U0073Moderate
Lost Communication with Door Module D
U0074Low
Lost Communication with Sunroof Module
U0075Low
Lost Communication with Memory Seat Module A
U0076Low
Lost Communication with Memory Seat Module B
U0077Low
Lost Communication with Seat Heater Control Module
U0078Low
Lost Communication with Telephone Module
U0079Low
Lost Communication with Bluetooth Module
U0080Low
Lost Communication with Mirror Module - Left
U0081Low
Lost Communication with Mirror Module - Right
U0082Low
Lost Communication with Wiper Control Module
U0083Moderate
Lost Communication with Window Control Module
U0084Moderate
Lost Communication with Headlamp Control Module - Left
U0085Moderate
Lost Communication with Headlamp Control Module - Right
U0086Moderate
Lost Communication with Turn Signal Module
U0087Moderate
Lost Communication with Rear Lighting Module
U0088Low
Lost Communication with Horn Module
U0089Low
Lost Communication with Interior Lighting Module
U0090Moderate
Lost Communication with Image Processor A
U0091Moderate
Lost Communication with Image Processor B
U0092Severe
Lost Communication with Forward Looking Camera
U0093Moderate
Lost Communication with Rear Camera Module
U0094Moderate
Lost Communication with Side Camera Module - Left
U0095Moderate
Lost Communication with Side Camera Module - Right
U0096Severe
Lost Communication with Radar Sensor - Front
U0097Moderate
Lost Communication with Radar Sensor - Rear
U0098Severe
Lost Communication with Lidar Sensor Module
U0099Low
Lost Communication with Ultrasonic Sensor Module
U0100Critical
Lost Communication with ECM/PCM A
U0101Critical
Lost Communication with TCM
U0102Severe
Lost Communication with Transfer Case Control Module
U0103Severe
Lost Communication with Gear Shift Module
U0104Moderate
Lost Communication with Cruise Control Module
U0105Severe
Lost Communication with Fuel Injector Control Module
U0106Moderate
Lost Communication with Glow Plug Control Module
U0107Severe
Lost Communication with Throttle Actuator Control Module
U0108Moderate
Lost Communication with Alternative Fuel Control Module
U0109Critical
Lost Communication with Fuel Pump Control Module
U0110Critical
Lost Communication with Drive Motor Control Module
U0111Critical
Lost Communication with Battery Energy Control Module A
U0112Severe
Lost Communication with Battery Energy Control Module B
U0113Moderate
Lost Communication with Emission Control Module
U0114Moderate
Lost Communication with Four-Wheel Drive Clutch Module
U0115Critical
Lost Communication with ECM/PCM B
U0120Severe
Lost Communication with Starter/Generator Module
U0121Critical
Lost Communication with ABS Control Module
U0122Severe
Lost Communication with Vehicle Dynamics Control Module
U0123Severe
Lost Communication with Yaw Rate Sensor Module
U0124Moderate
Lost Communication with Lateral Accelerometer Module
U0125Moderate
Lost Communication with Multi-Axis Accelerometer Module
U0126Severe
Lost Communication with Steering Angle Sensor Module
U0127Low
Lost Communication with TPMS Control Module
U0128Critical
Lost Communication with Brake System Control Module
U0129Severe
Lost Communication with Brake System Control Module B
U0130Moderate
Lost Communication with Active Suspension Module
U0131Severe
Lost Communication with Power Steering Module
U0132Moderate
Lost Communication with Ride Level Control Module
U0140Severe
Lost Communication with BCM
U0141Severe
Lost Communication with BCM A
U0142Severe
Lost Communication with BCM B
U0143Moderate
Lost Communication with BCM C
U0146Critical
Lost Communication with Gateway Module A
U0147Severe
Lost Communication with Gateway Module B
U0148Moderate
Lost Communication with Gateway Module C
U0150Moderate
Lost Communication with Instrument Cluster Control Module
U0151Moderate
Lost Communication with HVAC Control Module
U0152Low
Lost Communication with Heated/Cooled Seat Module
U0153Low
Lost Communication with Audio/Entertainment Module
U0154Low
Lost Communication with Navigation Module
U0155Moderate
Lost Communication with Instrument Cluster Display
U0156Moderate
Lost Communication with Information Center Module
U0157Low
Lost Communication with Digital Audio Module
U0158Low
Lost Communication with Head-Up Display Module
U0159Low
Lost Communication with Parking Assist Module
U0160Low
Lost Communication with Chime Module
U0164Low
Lost Communication with HVAC Rear Module
U0165Moderate
Lost Communication with HVAC Front Module
U0166Low
Lost Communication with Auxiliary Climate Control Module
U0167Severe
Lost Communication with Vehicle Immobilizer Module
U0168Moderate
Lost Communication with Keyless Entry Module
U0169Moderate
Lost Communication with Passive Entry Module
U0170Low
Lost Communication with Remote Start Module
U0171Moderate
Lost Communication with Alarm Module
U0172Low
Lost Communication with Seat Control Module A
U0173Low
Lost Communication with Seat Control Module B
U0180Severe
Lost Communication with Adaptive Cruise Control Module
U0181Moderate
Lost Communication with Lane Departure Warning Module
U0182Moderate
Lost Communication with Blind Spot Detection Module
U0183Critical
Lost Communication with Pre-Collision System Module
U0184Critical
Lost Communication with Autonomous Driving Module
U0190Moderate
Lost Communication with Trailer Control Module
U0191Moderate
Lost Communication with Trailer Brake Module
U0195Severe
Invalid Data Received from ECM/PCM
U0196Severe
Invalid Data Received from TCM
U0197Severe
Invalid Data Received from ABS Module
U0198Severe
Invalid Data Received from SRS Module
U0199Moderate