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U0463 Engine Trouble Code

Meaning of U0463 engine trouble code is a kind of network trouble code and U0463 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.

U0463 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 U0463 code is occuring now you should check U0463 repair processes.
Now don't ask yourself; What should you do with U0463 code ?
The solution is here :

U0463 Possible Solution:

U0463 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.

U0463 Code Meaning :

U 0 4 6 3
OBD-II Diagnostic Network (U) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low O2 Sensor Heater Circuit Malfunction Cylinder 4 Contribution/Balance Fault Exhaust Gas Recirculation Sensor B Circuit High

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.

U0463 OBD-II Diagnostic Network (U) Trouble Code Description

U0463 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For U0463 Code

The reason of U0463 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

U0463 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.