Code Search

Please fill the "Code Box" to find engine fault code.

Car Models :

Please select your car.

How To Clear Check Engine Lights ?

Ways to clear check engine light on car panel.

Check Engine Light Dictionary

Ways to clear check engine light on car panel.

U3907 Engine Trouble Code

Meaning of U3907 engine trouble code is a kind of network trouble code and when your car's 'U3907 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

U3907 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for U3907 code is occuring now you should check U3907 repair processes.
Now don't ask yourself; What should you do with U3907 code ?
The solution is here :

U3907 Possible Solution:

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

U3907 Code Meaning :

U	3	9	0	7
OBD-II Diagnostic Network (U) Trouble Code For Engine	Ignition System Or Misfire	Injector Circuit Malfunction - Cylinders	Cold Start Injector 1 Malfunction	Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

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.

U3907 OBD-II Diagnostic Network (U) Trouble Code Description

U3907 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.

Main reason For U3907 Code

The reason of U3907 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.

U3907 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

	Example: 0140