The ODBII code U1244 SCP (J1850) indicates that there is invalid or missing data related to the interior environment, typically involving communication issues between modules in the vehicle’s network. The severity of ODBII code U1244 is moderate. Common Causes For: U1243 SCP (J1850) Invalid or Missing Data for Exterior Environment Faulty interior environment sensor Damaged…

The ODBII code U1245 indicates a communication issue between the engine control module (ECM) and the instrument cluster, suggesting a failure in data transmission or a malfunction in one of the components. The severity of ODBII code U1245 is generally considered moderate. Common Causes For: U1244 SCP (J1850) Invalid or Missing Data for Interior Environment…

The ODBII code U1246 SCP (J1850) indicates that there is invalid or missing data for the primary identifier in the communication network, often related to issues with the vehicle’s communication system or modules. The severity of ODBII code U1246 is moderate. Common Causes For: U1245 SCP (J1850) Invalid or Missing Data for Interior Environment Faulty…

The ODBII code U1247 SCP (J1850) indicates that there is invalid or missing data for the primary identifier in the vehicle’s communication network, which may affect the operation of certain systems. The severity of ODBII code U1247 is moderate. Common Causes For: U1246 SCP (J1850) Invalid or Missing Data for Primary Id Faulty or damaged…

The ODBII code U1248 SCP (J1850) indicates that there is invalid or missing data related to the time or date in the vehicle’s communication network. The severity of ODBII code U1248 is moderate. Common Causes For: U1247 U1247: “Control Module Communication Loss” Faulty or disconnected OBD-II connector Malfunctioning PCM (Powertrain Control Module) Corrupted or missing…

The ODBII code U1249 indicates that there is invalid or missing data related to the time or date in the vehicle’s communication network, specifically within the SCP (J1850) protocol. The severity of ODBII code U1249 is moderate. Common Causes For: U1248 SCP (J1850) Invalid or Missing Data for Time / Date Faulty or disconnected battery…

The ODBII code U1250 indicates a communication error between modules in the vehicle’s network, typically signifying that one or more control modules are not able to communicate properly with each other. The severity of ODBII code U1250 is moderate. Common Causes For: U1249 U1249: BECM Communication Failure Faulty wiring or connectors Malfunctioning control module Corroded…

The ODBII code U1251 indicates a loss of communication with the Hybrid Powertrain Control Module (HPCM) A, which may affect the vehicle’s hybrid system performance. The severity of ODBII code U1251 is moderate to severe. Common Causes For: U1250 SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN) Faulty Hybrid Powertrain Control Module (HPCM)…

The ODBII code U1252 indicates a loss of communication between the vehicle’s control module and the fuel pump control module, which may affect fuel delivery and engine performance. The severity of ODBII code U1252 is moderate to severe. Common Causes For: U1251 SCP (J1850) Invalid or Missing Data for Vehicle Id (VIN) Faulty Fuel Pump…

The ODBII code U1253 indicates a loss of communication with the Hybrid Powertrain Control Module (HPCM) A, which may affect the vehicle’s hybrid system performance. The severity of ODBII code U1253 is generally considered moderate to severe. Common Causes For: U1252 SCP (J1850) Invalid or Missing Data for Class A Functions Faulty Hybrid Powertrain Control…