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B0502 Engine Trouble Code

Meaning of B0502 engine trouble code is a kind of body trouble code and B0502 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 $2,000 and you can't do it yourself unless you're an experienced mechanic.

B0502 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for B0502 code is occuring now you should check B0502 repair processes.
Now don't ask yourself; What should you do with B0502 code ?
The solution is here :

B0502 Possible Solution:

B0502 Engine

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.

B0502 Code Meaning :

B 0 5 0 2
OBD-II Diagnostic Body (B) 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.

B0502 OBD-II Diagnostic Body (B) Trouble Code Description

B0502 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For B0502 Code

The reason of B0502 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

B0502 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.