Unleash Your OBDII Diagnostic Power Mastering CAN Safety Tests

... testing requirements, however a safety inspection will still be required. ... What tailpipe test results lead to the failure? No tailpipe test ... Where can I get my vehicle inspected? Vehicles that require a biennial gasoline emission-only test or an annual mechanical defect (safety) and. If they are using a simple obd2 scanner or something, then it may not be reading due to some parts of the bus not sending data properly. Heres ... At times, one may encounter a freak occurrence in which a module locks up while in communication via scan tool. Another possibility is that the ... Hey Gang, My dad took in his 2004 E320 to have it emissions tested. They said they could not test it because the computer wouldn't respond. What Does the Texas Emissions Test Assess? · Two-speed Tailpipe Testing - For year models 1995 and older · On-Board Diagnostics (OBD-II) - For year models 1996 ... Depending on the model year and make of your vehicle, the inspector will perform either an on-board diagnostics (OBD II) test for most 1996 and newer gas. The vehicle fails the OBDII emission test due to non-communication, but has passed the safety and tamper portions of the inspection. Owner takes the vehicle to ... There may be internal errors that only they will be able to resolve. Be sure to mention that you have already taken your car to your dealer for this issue ... The obd2 port wears out, easiest is to buy a pig tail replacement and remove the old one and wire up the new one.