How does the OBD1 scanner work on a GM car?
You will notice that it is designed to work mostly on GM vehicles. The scanner will accurately access your vehicle’s onboard computer to retrieve diagnostic trouble codes. If the check engine light is on, then you can bank on this scanner to turn it off. You will find that this OBD1 scanner can read the engine ( ECM ).
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 is my OBD scanner not working on my GMC Sunfire?
Check your fuses, I can not remember exactly which one,but I have seen multiple times that the OBD port fuse is blown. I know some smaller GM’s (cavaliers, sunfires) are run off the electric seat fuse. The yuppie speaks the truth. Don’t ask me why GM put the OBD port on that circuit……Pull the cover and swap a fuse in that spot.
Which is the best OBD reader for GM cars?
The iCarsoft i900 reads codes from the 4 major systems, providing you more information about your car’s health than most GM code readers. It’s also fully OBD2 compliant, supporting important functions like freeze frame data and EVAP system tests.
Can you use an OBD2 scan tool on older GM?
As Brian alluded to in his comment, in most cases it will not work. You have to have a reader which will read OBD-I. Some readers, like the Innova 3140 will read both, and comes with all of the adapters to attach to the “older” vehicles. Brian also stated about the change to OBD-II. In the US it was mandated to change over in ’96.
Check your fuses, I can not remember exactly which one,but I have seen multiple times that the OBD port fuse is blown. I know some smaller GM’s (cavaliers, sunfires) are run off the electric seat fuse. The yuppie speaks the truth. Don’t ask me why GM put the OBD port on that circuit……Pull the cover and swap a fuse in that spot.
What to do if the OBD II scanner doesn’t communicate with the vehicle?
What to do if the OBD II scanner doesn’t communicate with the 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 the body or chassis ground but to the battery terminal directly.
Can you use an OBD-I scan on a Chevy Suburban?
Obviously, your Suburban is OBD-I. It will require the OBD-I. As an alternative, you can use computer software to attach your laptop to your ‘Burban. This is done through a cable which attaches through your USB connector. I am pretty sure Datamaster can read your truck, but not positive. I used it on my ’94 Camaro