Latest Discussions on Diagnostic Network

Hello, I have a 2025 Toyota Sienna that was slightly flooded. I had to replace the Main Body ECU and the Smart Key ECU Assembly. I am trying to program the keys using Techstream. I successfully completed the ECU Security Key Writing procedure, but I am unable to perform the Immobilizer Reset. Techstream keeps showing "Fail." Autel gives me codes that the Certification ECU and ...

I diagnosed a mechanical issue with this vw atlas that had a rough idle and fish bite misfire as an intermittent sealing exhaust valve on #6 I was curious if this is a common problem on these VR6 3.6l Crankimg xirrent and cranking vacuum showed enough to them go incylinder. I believe there is an exhaust valve rotating and leaking. I’ll post captures tomorrow. It did have a lot o...

I have this vehicle , it won’t shift into any gear , engine starts fine and if I open and close door it keep showing warning message shift to p range . I went through the diagnostic procedure for these codes and all of them leads to the replacement of transmission but if I removed the shift motor and manually change the gear position then it goes to reverse and drive and it dri...

Working on this F150 here. It came in from a salvage sale as possible storm damage. Found no communication on any of the modules on the FD1 CAN BUS. This goes to the PCM, BCM, ABS, TCCM, and underhood fuse box as well as to the Gateway of course. Expecting to find at least one or more modules with lightning strike short circuits I backprobed between the Can wires and found 60ohm...

Got a bit of a strange situation here, customer had requested per TSB 21-008-16 to be performed due to some intermittent transfer case issues. DTCM was updated as normal in WiTech, however the PTU was update on WiTech from …AA to …AB and then results in the DTCM setting a C2223 code for ECU configuration mismatch. After doing some digging around I think I determined the problem...