U3400 Engine Trouble Code
Meaning of U3400 engine trouble code is a kind of network trouble code and U3400 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.
U3400 Fault Symptoms :
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If one of these reasons for U3400 code is occuring now you should check U3400 repair processes.
Now don't ask yourself; What should you do with U3400 code ? The solution is here : |
U3400 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. |
U3400 Code Meaning :
U | 3 | 4 | 0 | 0 |
---|---|---|---|---|
OBD-II Diagnostic Network (U) Trouble Code For Engine | Ignition System Or Misfire | O2 Sensor Heater Circuit Malfunction | Cold Start Injector 1 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.
U3400 OBD-II Diagnostic Network (U) Trouble Code DescriptionU3400 engine trouble code is about Shift Solenoid E Performance or Stuck Off.Main reason For U3400 CodeThe reason of U3400 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction. |
U3400 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.