Autel MaxiDiag Advanced MD808 (MD808 Pro) All System OBDII Scanner (Combination of MaxiCheck Pro and MD802) for Oil and Battery Reset Registration, Parking Brake Pad Relearn,SAS,SRS,ABS,EPB,DPF,BMS

TROUBLESHOOTING : Vehicle Linking Error A communication error occurs if the scan tool fails to communicate with the vehicle’s ECU (Electronic Control Unit). Please follow the instructions below to check up: Verify that the ignition is ON Check if the scan tool’s connector is securely connected to the vehicle’s DLC Turn the ignition off and wait for about 10 seconds. Turn the ignition back to on and continue the testing Verify the control module is not defective . Operating Error If the scan tool freezes, then an exception occurs or the vehicle’s ECU (Electronic Control Unit) is too slow to respond to requests. Please follow the steps below to reset the tool Reset the scan tool. Turn the ignition off and wait for about 10 seconds. Turn the ignition back to on and continue the testing. Scan tool doesn’t power up If the scan tool won’t power up or operates incorrectly in any other way, Please follow the instructions below to check up Check if the scan tool’s connector is securely connected to the vehicle’s DLC; Check if the DLC pins are bent or broken. Clean the DLC pins if necessary. Check vehicle battery to make sure it is still good with at least 8.0 volt