U3919 Engine Fault Code

Check Solution For U3919 OBD Code :

U3919 engine code seems a kind of network problem, we try to show one by one the meaning and the solution. Brief explanation of the U3919 code and definition of U3919 is the bottom side.

U3919 Meaning :

u	Network Code Problem is climate control system, lighting, airbags, etc.
3	SAE - Generic
9	BBV Sensor Circuit Low Voltage
1	BBV Sensor Circuit Low Voltage
9	Transmission

SAE - Generic codes, which have a '0' as their second digit to indicate they are common to all makes and models of vehicles. These are the codes that are required for basic emissions fault diagnosis.

How To Fix U3919 ?

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U3919 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.

U3919 Code Description:

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above. When you see U3919 engine fault code on your engine code reader this description will help you.

U Codes

List of all Network codes.

Final Step: In the definitions listed below, there is a test drive recommended after you've completed any repairs to see if the condition is fixed. Before you take a test drive after a repair, always erase the U Code(s) first. This will turn the check engine light off and then you will know if the check engine light returns, you've got further diagnostics to complete.

BE CAREFUL !
This engine code information is presented for information purposes only. This is not intended as repair advice and we are not responsible for any actions you take on any vehicle.