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.

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.

How to use diagnostics to troubleshoot issues in SharePoint?

To access this area, follow these steps: In the left pane, select Support. Select New service request. This activates the “Need help?” pane on the right side of the screen. If you want to render one of our specific diagnostics, enter one of the queries from the scenario table under “Shortcut cmd” into the “Need help?” text box.

How to diagnosis and repair a GM 4WD truck?

Check every function for response: 2HI, Auto4WD, 4HI, 4LO, Neutral. Pull the dashboard apart (it is just held with clips) and pull out the buttons. Disconnect both connectors. Using the DMM, measure the resistance between the innermost pins on both connectors. The resistance should be steady (no changes while the button is pressed).

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.

Why is my service 4WD indicator not working?

If the wires are broken, the actuator won’t operate and the actuator won’t move. If it does not move to the proper position, the buttons on the dash will blink and the “Service 4WD” indicator will be lit because the TCCM never sees a complete 4WD engagement. The ground wire to my front axle actuator was the culprit on my truck.

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.

Can a GM truck distributor be rotated counterclockwise?

Counterclockwise for too negative of a reading. It doesn’t take much, you’ll eventually just be barely bumping it to get it to specification. You cant rotate the distributor at all on these trucks. Once it goes down into the intake, theres only one way it fits. If its off, then you have to be off a tooth on the gear or on the computer.

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.

Why does my Silverado scan tool not turn on?

So, verify that you have a blown 15A fuse, and if so, bang in a 15A fuse and you should be good to go. Keep in mind that this doesn’t tell you why the fuse blew, although 9/10 times using a cell phone charger in one of the 12v acc ports is the cause. Loading…

Why does my scan tool not power up?

The Tech 2 makes it simple because the tool does not have it’s own battery supply. therefore if the scan tool will not power up there is a basic problem with power or ground to the DLC. Many scan tools now have their own battery supply.

Is the diagnostic reader on my GMC truck working?