B2857 Engine Trouble Code
Meaning of B2857 engine trouble code is : B2857 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.
B2857 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.
B2857 Code Meaning :
|OBD-II Diagnostic Body (B) Trouble Code For Engine||Fuel And Air Metering (Injector Circuit Malfunctions Only)||Engine Oil Temperature Sensor Malfunction||Cylinder 1 Injector Circuit Low||Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical|
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.
B2857 OBD-II Diagnostic Body (B) Trouble Code DescriptionB2857 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.
Reason For B2857 CodeThe reason of B2857 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.
B2857 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.