Why is my OBD scanner not working on my GMC Sunfire?

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.

Is the diagnostic reader on my GMC truck working?

When I owned my last truck and it started idling roughly, I invested in a handheld diagnostic reader. These little machines aren’t cheap, and the problem I’m now having is pissing me off.

Is there no communication with the scan tool?

Follow Asked by NicolasOct 30, 2017 at 05:02 PM about the 2005 Chevrolet Silverado 1500 RWD Question type: Maintenance & Repair I am not having any communication with the scan tool and the abs. I have checked all the fuses. It started after we put it up on the lift to give it a look over didn’t do any work just to look at frame 1 Answer

Why is my OBD scanner not recognizing my Truck?

Every time I plug it into my CPU port, it doesn’t recognize my truck. I tested it on my friend’s 2007 Accord, and it worked fine. I’ve been troubleshooting and I can’t figure out why my truck isn’t recognized.

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.

Is there a check engine light on a GMC Sierra?

Old trucks: 08 GMC Sierra 1500 Z71 Crew Cab, ’03 TB EXT LT I6 Sorry out getting lag bolts to secure the wifes new green house. Yes no “check engine light” with the key turned on but comes on during the “all lights test” at the start of “key on” sequence. But will check again to confirm all lights test.

When I owned my last truck and it started idling roughly, I invested in a handheld diagnostic reader. These little machines aren’t cheap, and the problem I’m now having is pissing me off.

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.