U0621 Engine Trouble Code
Meaning of U0621 engine trouble code is a kind of network trouble code and U0621 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.
U0621 Fault Symptoms :
If one of these reasons for U0621 code is occuring now you should check U0621 repair processes.
Now don't ask yourself; What should you do with U0621 code ?
The solution is here :
U0621 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.
U0621 Code Meaning :
|OBD-II Diagnostic Network (U) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Fuel Temperature Sensor B Circuit Range/Performance||Turbocharger Boost Sensor A Circuit Low||Crankshaft Position Sensor A Circuit Low Input|
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.
U0621 OBD-II Diagnostic Network (U) Trouble Code DescriptionU0621 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.
Main reason For U0621 CodeThe reason of U0621 OBD-II Engine Trouble Code is Fuel Temperature Sensor B Circuit Range/Performance.
U0621 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.