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U0594 Engine Trouble Code

Meaning of U0594 engine trouble code is a kind of network trouble code and when your car's 'U0594 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.

U0594 Fault Symptoms :

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

If one of these reasons for U0594 code is occuring now you should check U0594 repair processes.
Now don't ask yourself; What should you do with U0594 code ?
The solution is here :

U0594 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.

U0594 Code Meaning :

U	0	5	9	4
OBD-II Diagnostic Network (U) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	Fuel Composition Sensor Circuit Malfunction	Crankshaft Position Sensor A Circuit Malfunction	Timing Reference High Resolution Signal A Too Many Pulses

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.

U0594 OBD-II Diagnostic Network (U) Trouble Code Description

U0594 engine trouble code is about Timing Reference High Resolution Signal A Too Many Pulses.

Main reason For U0594 Code

The reason of U0594 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

U0594 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

	Example: 0140