Why is the OBD II scanner not communicating?
Check the fuse box (Power Panel), it might be the reason why PCM isn’t able to receive power as well as communicate.
Why is my ECM not communicating with my car?
No check engine light not even a bulb check. Fans come on when I turn key to on. Power to ECM through harness, I don’t recall what ports but the ones I was told to check. ECM relay clicks, swapped with known good. Swapped IPDM with known good.
What to do if your ECU is not communicating?
Had a guy with a confirmed good ecu come out today, still nothing, no communication. Checked fuses, swapped IPDMs with another car. I had power going to the ECU in the connector, one always and 3 when key is on.
Why is my OBD2 scanner not communicating with my car?
Each time I have tried scanning my vehicle for codes using the OBDII scanner, there is a message on the scanner stating that it is unable to communicate with vehicle. There are lots of issues with my car, but I am not able to correct them because of the OBDII issues.
Why does my Jeep Cherokee have no spark?
I have no communication to the computer with a scanner, no check engine light, no 5 v reference, no spark. I have tried to manually pull codes with the key. The dealer says that it does not have an immobilizer by the VIN number. I have power and grounds to the PCM connectors.
No check engine light not even a bulb check. Fans come on when I turn key to on. Power to ECM through harness, I don’t recall what ports but the ones I was told to check. ECM relay clicks, swapped with known good. Swapped IPDM with known good.
Can a torque Pro plug in Elm 327 OBD2 scanner?
So I bought a Torque Pro plug in ELM 327 OBD2 scanner for my phone, but when I plug it in there is no communication. So I went to FLAP and they plugged in their scanner, and it says no communication, just like mine. So I looked at the plug in under the dash, and only four the many holes actually have contacts.
How to fix a car that won’t communicate with a scan tool?
This feature is not available right now. Please try again later. Scotty Kilmer, mechanic for the last 48 years, shows how to fix a broken car the won’t communicate with a scan tool so you can’t get any information on the problem. Sometimes it’s as easy as just disconnecting parts to find the problem. 1. Actron Scan Tool: http://amzn.to/2ngeCQJ 2.
Check the fuse box (Power Panel), it might be the reason why PCM isn’t able to receive power as well as communicate.
What does it mean when a scan tool does not communicate?
Many scan tools now have their own battery supply. When this condition is encountered you generally end up at a screen that states that the module will not communicate. Not a big deal if you know your tool and realize you need to check those circuits.
Why is my Sparky scan tool not communicating?
When this condition is encountered you generally end up at a screen that states that the module will not communicate. Not a big deal if you know your tool and realize you need to check those circuits. Unfortunately many times a technician is thrown off by this and starts looking for problems with the data communication lines.
This feature is not available right now. Please try again later. Scotty Kilmer, mechanic for the last 48 years, shows how to fix a broken car the won’t communicate with a scan tool so you can’t get any information on the problem. Sometimes it’s as easy as just disconnecting parts to find the problem. 1. Actron Scan Tool: http://amzn.to/2ngeCQJ 2.
Which is fuse powers the OBD?
I have a 2004 Subaru Legacy Outback 2.5l automatic. I use the car for delivering mail. I had someone put in the foot petals to drive on the right side … read more Master Automotive Technici… Hi – I shorted out 12V pins of the OBD connector of my 2014 Subaru Outback. Now my check engine light, and Brake keep flashing. But the fuse … read more
Where are the diagnostic connector pins on an OBD II?
Volkswagen OBD II diagnostic connector pinout Pin Signal Description 1 IGN Switched to +12V when the ignition is on 2 J1850 Bus+ Not used? 4 CGND Chassis ground 5 SGND Signal ground
Why is my PCM not connecting to the OBD2 port?
If no ground the circuit is broken somewhere between the OBD2 connector and the PCM If the ground is good then it is either a bad connection on pin 2 back to the PCM or a Bad PCM itself, which I suspect is the problem. Note that the OBD2 port is fused.
How to disconnect the OBD2 from the ECU?
Basically, disconnect the ECU, and check continuity between the used OBD2 pins and the corresponding pins on the ECU side of the harness.
Where are the fuses for the OBD2 scanner?
If not please check the system fuses 17, and 15. Also check the ALDL for corrosion and clean up the terminals as needed. Here is a wiring diagram which pertains to most cars showing the power going to the ALDL connector. (below) If anyone reading this needs the wiring and the fuse ID to there car please send there request here.