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Feb If you purchased a used Accessport, check to be 1 sure it is not still. Many OBD II scan tools will not be able to communicate with CAN vehicles unless they are upgraded or replaced. Most scan tool manufacturers have already . Oct This blog post presents the reverse engineering of an OBDdongle called Nitro.

So this chip is not really communicating on the CAN bus.

An uncompleted test will be reported not ready. Converting to oval track car. I failed a smog test today because of OBD communication failure.

If you are not in CA, go to any car parts place and see if you can scan codes. If you get a multimeter you can check for key on voltage on obdport. Jag has had my car for several weeks trying to complete my emissions . But, in the real worl if your scan tool indicates “ no communication ” and .

If your ELM3OBDdevice does not connect to the vehicle ECU, not everything is lost. Here you can find a possible solution, do not miss it. Feb Also you can not just swap a new OBD II computer in the any vehicle. If the ECM fuse is blown, it will not communicate with any scanner.

There are five different communication protocols available under the OBD-II spec. Not communicating with a scanner (tried different ones) but it has power . Modules communicate back and forth on the CAN bus. No check engine light, but the N. Jun SLK 3OBDPort - Power but No Signal. You will need to establish communication with the Gateway or condemn it as faulty.

Apr What does a no communication message mean? OBD data link connector but are not OBD-II compliant. Jan Crossfire SRT- obd ii not communicating - went for emissions test today.

My vehicle will not communicate , what does that mean ? I have had a CEL since a road trip a couple of weeks ago.

I am experiencing a lack of power, and there is some stuttering-type hesitation. I just need to get my Lexus smogged. No indicator lights are on. Possibly the ECM is not doing its job, the ECM fuses are both good.

If the code does not return or communication is re-established with the TCM module,. As David mentione on iOS you can use WiFi OBD interface only. Bluetooth devices should be approved by Apple . May Communication Failure - When I hook up a computer to my truck to figure out. Go to your basics - There needs to be power at the OBDconnector for the.

If all checks out your scnner connection might be corroded or not. My ECM is not communicating to with the OBD plug. Is there a fuse for this ? I traced all wires from the obd plug and made sure there were no broken wires there and there is power . Opened SZ viewer, it again said OBDdevice is fake. I opened Torque Pro and it not only connecte detected but also showed all the real time . Apr if no communication that means the obd port has no power.

Jul I took it to private shop and the owner told me it was getting power but was not communicating with their system. I have a the stock radio in and . I already disconnected the radio and no change in communication. I've been told to disconnect modules one at a time until there i power at pin . Mar I've read that installing an after-market radio can interfere with the k line messing up the communication with the OBD.

OBDII and cigar lighter, . Apr The scanner cannot communicate with the plug. The OBD II port looks like its wired correct .