What happens if you misdiagnose the u0109 fault code?
Misdiagnosis has been known to occur if you diagnose the U0109 code before any of the basic codes have been thoroughly diagnosed and dismissed. If your scan tool can access fault codes and the only one you get from other modules is the U0109, try to communicate with the FPCM module.
What does an error code p069e mean?
When Error Code P069E is stored, this means the PCM has determined a malfunction in the fuel pump control module, causing the illumination of the Check Engine light. Other stored codes may be present as well. There are multiple causes for this code, including: Bad or tripped fuel pump voltage shutoff (inertia) switch
What are the symptoms of engine code u0073?
Symptoms of a U0073 engine code may include: Malfunction Indicator Lamp (MIL) illuminated. Lack of power. Poor fuel economy. All instrument cluster indicator “lights” on. Possibly a no-crank, no start condition.
What is the Diagnostic fault code for GM Hummer?
There is a known General Motors bulletin # 08-07-30-021E that applies to many 2007-2010 GM vehicles (Cadillac, GMC, Chevrolet, Hummer). First, see if you are able to access fault codes and if so, note if there are any other diagnostic fault codes. If any of them are module communication related, diagnose them first.
Where is the trouble code for u0073 control module?
U0073 – Control module – data bus Off Trouble Code Fault Location U0073 Control module – data bus Off
What does p069e stand for in OBD codes?
Although generic, the exact repair steps may vary depending on year, make, model, and powertrain configuration. A stored code P069E means that the powertrain control module (PCM) has detected a malfunction with the fuel pump control module so that it has requested malfunction indicator lamp (MIL) illumination.
How to find out if your car has a u0073 code?
Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. The cost to diagnose the U0073 code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.
What does code u0073-obd II stand for?
U0073 – OBD II Code: Control Module Communication Bus ‘A’ Off What does code U0073 mean? Code U0073 stands for Control Module Communication Bus ‘A’ Off. The computers in modern vehicles (referred to as modules) communicate with one another over a data bus.