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U3480 Engine Trouble Code

Meaning of U3480 engine trouble code is a kind of network trouble code and U3480 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.

U3480 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 U3480 code is occuring now you should check U3480 repair processes.
Now don't ask yourself; What should you do with U3480 code ?
The solution is here :

U3480 Possible Solution:

U3480 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.

U3480 Code Meaning :

U 3 4 8 0
OBD-II Diagnostic Network (U) Trouble Code For Engine Ignition System Or Misfire O2 Sensor Heater Circuit Malfunction Ignition/Distributor Engine Speed Input Circuit Malfunction Shift Solenoid E Performance or Stuck Off

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.

U3480 OBD-II Diagnostic Network (U) Trouble Code Description

U3480 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For U3480 Code

The reason of U3480 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

U3480 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.