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U0502 Engine Trouble Code

Meaning of U0502 engine trouble code is a kind of network trouble code and U0502 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,140 and you can't do it yourself unless you're an experienced mechanic.

U0502 Fault Symptoms :

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

If one of these reasons for U0502 code is occuring now you should check U0502 repair processes.
Now don't ask yourself; What should you do with U0502 code ?
The solution is here :

U0502 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.

U0502 Code Meaning :

U	0	5	0	2
OBD-II Diagnostic Network (U) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	Fuel Composition Sensor Circuit Malfunction	Cold Start Injector 1 Malfunction	Glow Plug/Heater Circuit 'A' Malfunction

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

U0502 OBD-II Diagnostic Network (U) Trouble Code Description

U0502 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For U0502 Code

The reason of U0502 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

U0502 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