Scan Tool Not Communicating With Vehicle Obd Ii Port Data Link Connector Not Working

Obd Ii Port Not Working Troubleshooting Tips Resolve connectivity problems with your car's obd ii scanner and its computer. learn troubleshooting tips that actually work. Scan tool not communicating or connecting with obd ii port data link connector. missing power and ground. possible blown obd 2 port fuse.

Obd Ii Port Not Working Troubleshooting Tips There is something wrong with your communication wire. communication line does not provide the power. the power is pulled from the pos and neg ports on the obd ii. there is something wrong with your communication wire. this is what i feared i checked all the fuses and couldn't find a single blown one. Is your car scanner showing power but refusing to read any data? you’re dealing with one of the most frustrating diagnostic issues—when your obd2 port has power but no communication. Went and got my blue scanner (i have previously used it on this vehicle and it worked great) and plugged it into the port but it would not communicate. tried my scanner in a few other vehicles and it communicates with them, so the issue is not the scanner. The most common causes of communication problems are connector voltage fluctuation, incompatible communication protocol, defective or missing data, a hung ecm, or oem updated ecm software that the obdii scan tool can’t recognize.

Obd Ii Port Not Working Troubleshooting Tips Went and got my blue scanner (i have previously used it on this vehicle and it worked great) and plugged it into the port but it would not communicate. tried my scanner in a few other vehicles and it communicates with them, so the issue is not the scanner. The most common causes of communication problems are connector voltage fluctuation, incompatible communication protocol, defective or missing data, a hung ecm, or oem updated ecm software that the obdii scan tool can’t recognize. When your obd isn't working, the first step is to determine if the problem lies with your car or the scan tool. test the scan tool on another car:. If the scan tool does not receive data from an obd ii vehicle. test 1: connect the positive dmm lead to dlc pin 4 and the negative dmm lead to the negative battery terminal, using jumper wires if necessary. do not connect to body or chassis ground but to the battery terminal directly. If your obd2 scanner not communicating or obd2 port isn't connecting to your scan tool or the obd2 port not working, these are the 5 main causes. Your obd2 scanner does not connect to the ecu? or does it throw an 'error'? follow these steps to fix obd communication failures.

Obd2 Port Not Communicating On My Car Listed Above Se I Am When your obd isn't working, the first step is to determine if the problem lies with your car or the scan tool. test the scan tool on another car:. If the scan tool does not receive data from an obd ii vehicle. test 1: connect the positive dmm lead to dlc pin 4 and the negative dmm lead to the negative battery terminal, using jumper wires if necessary. do not connect to body or chassis ground but to the battery terminal directly. If your obd2 scanner not communicating or obd2 port isn't connecting to your scan tool or the obd2 port not working, these are the 5 main causes. Your obd2 scanner does not connect to the ecu? or does it throw an 'error'? follow these steps to fix obd communication failures.