OBD-II Trouble Codes

Code : U1300Marque : CADILLACDescription : U1300 CADILLAC Low Voltage On Class 2 Serial Data CircuitPossible causes : – Repair other code firstSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is securely closed – Check the oil level and add more if […]

Code : U1300Marque : BUICKDescription : U1300 BUICK Low Voltage On Class 2 Serial Data CircuitPossible causes : – Repair other code firstSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is securely closed – Check the oil level and add more if

Code : U1262Marque : All makesDescription : U1262 Communication Bus FaultPossible causes : – Faulty Powertrain Control Module (PC) – Harness is open or shorted – Circuit poor electrical connectionSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is securely closed – Check

Code : U1261Marque : All makesDescription : U1261 SCP (J1850) Single Ended (-) Circuit FailurePossible causes : –Solutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is securely closed – Check the oil level and add more if it is lower than MAX

Code : U1260Marque : All makesDescription : U1260 SCP (J1850) Single Ended (+) Circuit FailurePossible causes : –Solutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is securely closed – Check the oil level and add more if it is lower than MAX

Code : U1255Marque : All makesDescription : U1255 Lost CommunicationsPossible causes : – Loose control module connectors – Faulty control module – Control modules poor lectrical connection – Control Modules harness open or shortedSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is

Code : U1255Marque : GMCDescription : U1255 GMC Lost CommunicationsPossible causes : – Loose control module connectors – Faulty control module – Control modules poor lectrical connection – Control Modules harness open or shortedSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is

Code : U1255Marque : CHEVROLETDescription : U1255 CHEVROLET Lost CommunicationsPossible causes : – Loose control module connectors – Faulty control module – Control modules poor lectrical connection – Control Modules harness open or shortedSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is

Code : U1255Marque : CADILLACDescription : U1255 CADILLAC Lost CommunicationsPossible causes : – Loose control module connectors – Faulty control module – Control modules poor lectrical connection – Control Modules harness open or shortedSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is

Code : U1255Marque : BUICKDescription : U1255 BUICK Lost CommunicationsPossible causes : – Loose control module connectors – Faulty control module – Control modules poor lectrical connection – Control Modules harness open or shortedSolutions : – Carry out a Reset via CarDiag – Choose a better quality fuel – Check that the tank cap is