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 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 diagnostic code for a GMC check engine light?
1 Refer to our Generic OBD II code list for definitions on all other GMC diagnostic trouble codes. 2 Manufacturer Specific Codes 3 P1031 4 P1032 5 P1105 6 P1106 7 P1107 8 P1108 9 P1109 10 P1111
What does code 12 mean on GM OBD?
The system will enter the diagnostic mode. In this mode, the computer will display a Code 12, three consecutive times, by flashing the “CHECK ENGINE”, “SERVICE ENGINE SOON” or “MALFUNCTION INDICATOR LAMP” or light. A Code 12 consists of one flash, a short pause, then two flashes in rapid succession.
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.
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.
The system will enter the diagnostic mode. In this mode, the computer will display a Code 12, three consecutive times, by flashing the “CHECK ENGINE”, “SERVICE ENGINE SOON” or “MALFUNCTION INDICATOR LAMP” or light. A Code 12 consists of one flash, a short pause, then two flashes in rapid succession.
What does the green check mark on OBD auto Doctor mean?
OBD Auto Doctor indicates this by green check mark. Incomplete or not ready meaning the test is not completed. It means that the OBD2 system has not been able to run this routine or it has failed. OBD Auto Doctor indicates this by red exclamation mark. Disabled meaning that the test has been disabled for the rest of this monitoring cycle.
Do you need a readiness monitor for OBD auto Doctor?
OBD Auto Doctor lists all the defined monitors in the software. But the actual status can be reported only for the ones that the car supports too. It is not required for a car to support all the monitors. NA or not available monitor means that the car doesn’t have that monitor. Thus it can’t be tested. Readiness monitors read with the Android app.
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.
What is the OBD code for a GMC?
The OBD-II DTC codes here generally apply to all OBD-II GM vehicles from 1996 and newer: GMC, Chevrolet, Buick, Cadillac, and former brands Oldsmobile, Pontiac, and Saturn. There may be slight changes depending on the year/model of vehicle, you would need to consult a factory service manual for specifics.
What are the diagnostic codes for General Motors?
GM Specific Powertrain Diagnostic Trouble Codes. P1117 Engine Coolant Temp. Signal Out-Of-Range Low. P1118 Engine Coolant Temp. Signal Out-Of-Range High. P1139 HO2S Insuff. Switching Bank 1 Sensor 2. P1187 EOT Sensor Ckt. Low Voltage.
How to test the MAP sensor ( 1999-2006 V8 Chevy )?
The manifold absolute pressure (MAP) sensor, on the 1999-2006 V8 Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL) can be easily tested with a simple multimeter. In this tutorial I’ll explain how to do it in a step-by-step way.