U0542 Engine Trouble Code
Meaning of U0542 engine trouble code is a kind of network trouble code and U0542 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.
U0542 Fault Symptoms :
If one of these reasons for U0542 code is occuring now you should check U0542 repair processes.
Now don't ask yourself; What should you do with U0542 code ?
The solution is here :
U0542 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.
U0542 Code Meaning :
|OBD-II Diagnostic Network (U) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Fuel Composition Sensor Circuit Malfunction||Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)||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.
U0542 OBD-II Diagnostic Network (U) Trouble Code DescriptionU0542 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.
Main reason For U0542 CodeThe reason of U0542 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.
U0542 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.