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U3472 Engine Trouble Code

Meaning of U3472 engine trouble code is a kind of network trouble code and when your car's 'U3472 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.

U3472 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 U3472 code is occuring now you should check U3472 repair processes.
Now don't ask yourself; What should you do with U3472 code ?
The solution is here :

U3472 Possible Solution:

U3472 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.

U3472 Code Meaning :

U 3 4 7 2
OBD-II Diagnostic Network (U) Trouble Code For Engine Ignition System Or Misfire O2 Sensor Heater Circuit Malfunction Cylinder 10 Contribution/balance Fault Glow Plug/Heater Circuit 'A' Malfunction

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.

U3472 OBD-II Diagnostic Network (U) Trouble Code Description

U3472 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.

Main reason For U3472 Code

The reason of U3472 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

U3472 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.