B1422 Engine Trouble Code
Meaning of B1422 engine trouble code is : B1422 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 $2,000 and you can't do it yourself unless you're an experienced mechanic.
B1422 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.
B1422 Code Meaning :
|OBD-II Diagnostic Body (B) Trouble Code For Engine||Fuel And Air Metering||O2 Sensor Heater Circuit Malfunction||Turbocharger Boost Sensor A Circuit Low||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.
B1422 OBD-II Diagnostic Body (B) Trouble Code DescriptionB1422 engine trouble code is about Glow Plug/Heater Circuit 'A' Malfunction.
Reason For B1422 CodeThe reason of B1422 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.
B1422 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.