How to diagnose a faulty fuel system control module?
AT THE BOTTOM OF THIS PAGE, YOU WILL FIND THE YOUTUBE VIDEO FOR THIS PROCEDURE. YOU WILL ALSO FIND THE PIN OUT DIAGRAM FOR THE FUEL SYSTEM CONTROL MODULE FOUND ON 2007 AND NEWER GM VEHICLES. PLEASE REFERENCE THE DIAGRAM TO HELP PROPERLY DIAGNOSE A FAULTY FUEL SYSTEM CONTROL MODULE. 1. CONNECT PIN1 (BLACK GROUND) TO PIN16 (PINK GROUND) 2.
What to do if no power is found at Powertrain Control Module?
IF YOU FIND POWER AT THE POWERTRAIN CONTROL MODULE, LOCATE THE BREAK IN THE WIRE TO REPAIR. IF NO POWER IS FOUND AT THE POWERTRAIN CONTROL MODULE, REPLACE WITH PROGRAMMED UNIT.
How to check fuel pump signal in gmflash?
1. CONNECT PIN1 (BLACK GROUND) TO PIN16 (PINK GROUND) 2. CONNECT PIN32 (RD/WH BATT + ) TO PIN47 (GY FUEL PUMP 12+) THIS WILL POWER THE PUMP TO RUN AND CHECK FOR A FAULTY FUEL PUMP. 3. NEXT, CHECK FOR FUEL PUMP SIGNAL AT THE FUEL SYSTEM CONTROL MODULE. 4. FIND THE DARK GREEN/WHITE WIRE IN PIN13.
Is the GM in motion and navigation unlock module safe?
This product is intended for off-road use or for non-driving passengers. Safe driving practices should be followed at all times. MVI is pleased to bring you a complete plug and play navigation and infotainment unlock module for all GM Vehicles that run the CUE/MyLink/Intellelink systems.
What do you need to know about GM security module?
Connect a battery charger to the battery to ensure power is available while programming. Both the IPC/BCM and PCM must be working and communicating with each other. Observe the “SECURITY” indicator After 10 minutes the “SECURITY” indicator light will turn off.
What kind of fuel pump does a GMC Sierra have?
Details Fuel Pump Compatible with Chevy Pickup Silverado GMC Sierra 1999 2000 2001 2002 2003 2004 4.3L 4.8L 5.3L 6.0L 8.1L w/ sending unit fuel pressure sensor replaces # E3500M Fuel Pump E3500M Compatible with Chevy Pickup Silverado GMC Sierra 1999 2000 2001 2002 2003 2004 4.3L 4.8L 5.3L 6.0L 8.1L w/sending unit fuel pressure sensor
Why is my ECM not working on my Silverado?
ECM keeps throwing U1510-00 Lost communication with device on LIN bus. I’ve checked everything on this damn truck with no luck. I looked over the wiring diagram and the ECM doesn’t even have LIN bus connection. I’ve already replaced the ECM with a new one from dealer. I’ve reprogrammed the HVAC module with the latest software.
Where can I find the GM LIN bus code?
. diag.net/file/f5bmd78nd… Removed the trip panel over the radiator and grille. Found connector X132. Located my communication wire (GREEN/VIOLET). Hooked up my scope to see how the bus looks. diag.net/file/f6tbpeg75… This is what I got. Looks to be a good looking waveform at first glance.
AT THE BOTTOM OF THIS PAGE, YOU WILL FIND THE YOUTUBE VIDEO FOR THIS PROCEDURE. YOU WILL ALSO FIND THE PIN OUT DIAGRAM FOR THE FUEL SYSTEM CONTROL MODULE FOUND ON 2007 AND NEWER GM VEHICLES. PLEASE REFERENCE THE DIAGRAM TO HELP PROPERLY DIAGNOSE A FAULTY FUEL SYSTEM CONTROL MODULE. 1. CONNECT PIN1 (BLACK GROUND) TO PIN16 (PINK GROUND) 2.
What happens when the PGM-FI main relay fails?
When the PGM-FI Main Relay fails intermittently, the engine will not start or suddenly turns off every now and then (but most of the time it starts and runs without any problems). In the majority of the cases, the PGM-FI Main Relay failure has to do with it not being able to supply power to the fuel pump.
How does the fuel pump control relay work?
The ECM controls power to the fuel pump by switching the fuel cut relay on or off. The main (engine stop) relay supplies power to the fuel pump control (fuel cut) relay. The bank angle sensor controls the operation of the engine cut relay by completing the ground circuit. NOTICE
What is the wiring diagram for a fuel pump?
Fuel Pump Wiring Diagram -Single Tank (1996 Ford F150, F250, F350). Fuel Pump Wiring Diagram -Dual Fuel Tanks (1996 Ford F150, F250, F350). You can find more tutorials Ford F150, F250, and F350 in the following index: Ford 4.9L, 5.0L, 5.8L Index Of Articles.