- U1240SCP (J1850) Invalid or Missing Data for Primary IdFull content
- U1241SCP (J1850) Invalid or Missing Data for Primary IdFull content
- U1242SCP (J1850) Invalid or Missing Data for Exterior EnvironmentFull content
- U1243SCP (J1850) Invalid or Missing Data for Exterior EnvironmentFull content
- U1244SCP (J1850) Invalid or Missing Data for Interior EnvironmentFull content
- U1245SCP (J1850) Invalid or Missing Data for Interior EnvironmentFull content
- U1246SCP (J1850) Invalid or Missing Data for Primary IdFull content
- U1247SCP (J1850) Invalid or Missing Data for Primary IdFull content
- U1248SCP (J1850) Invalid or Missing Data for Time / DateFull content
- U1249SCP (J1850) Invalid or Missing Data for Time / DateFull content
- U1250SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN)Full content
- U1251SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN)Full content
- U1252SCP (J1850) Invalid or Missing Data for Class A FunctionsFull content
- U1253SCP (J1850) Invalid or Missing Data for Class A FunctionsFull content
- U1254SCP (J1850) Invalid or Missing Data for Network ControlFull content
- U1255SCP (J1850) Invalid or Missing Data for Network ControlFull content
- U1260SCP (J1850) Single Ended (+) Circuit FailureFull content
- U1261SCP (J1850) Single Ended (-) Circuit FailureFull content
- U1262SCP (J1850) Communication Bus FaultFull content
- U1308SCP (J1850) Invalid or Missing Data for Function Read Engine TorqueFull content
- U1341SCP (J1850) Invalid or Missing Data for Function Read Vehicle SpeedFull content
- U1400Battery Voltage Too LowFull content
- U1401Battery Voltage Too HighFull content
- U1430SCP (J1850) Invalid or Missing Data for Function Read Fuel SystemFull content
- U1451SCP (J1850) Invalid or Missing Data for Function Read Audible Warnings / Anti-Theft Module, Vehicle ImmobilizedFull content
- U1550No Message Received from Power SteeringFull content
- U1600Immobilizer Recognition FailureFull content
- U1601CAN BUS Communication (C-NCM)Full content
- U1602No Message Received from Body Computer via CAN BUSFull content
- U1612SCP (J1850) Lack of Acknowledgment for Primary IdFull content
- U1700CAN BUS Communication Between NCM (Engine) and NBC (Body)Full content
- U1701CAN BUS Communication Between CCM and CAFull content
- U1702CAN BUS Communication Between DLC CAN Line (GE)Full content
- U1706CAN BUS Communication Between NCM (Engine) and NFR (Brake-ABS)Full content
- U1711CAN BUS Communication Between NCM (Engine) and NCR/NCA (Transmission)Full content
- U1716CAN BUS Communication Between NCM (Engine) and NAC (Adaptation)Full content
- U1719CAN BUS Communication Between NCM (Engine) and NGE (Electric Steering)Full content
- U1736SCP (J1850) Lack of Acknowledgment for TelltalesFull content
- U1750SCP (J1850) Lack of Acknowledgment for Audible WarningsFull content
- U1794SCP (J1850) Lack of Acknowledgment for MirrorsFull content
- U1797SCP (J1850) Lack of Acknowledgment for Door LocksFull content
- U1798SCP (J1850) Lack of Acknowledgment for External Access (Doors)Full content
- U1806SCP (J1850) Lack of Acknowledgment for Primary IdFull content
- U1900CAN Communication Bus FaultFull content
- U1901CAN Communication ProblemFull content
- U1950UPB Communication Bus FaultFull content
Other systems
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.