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P0856 Engine Trouble Code

P0856 Engine

When you check engine light came on code P0856 the reason should be ABS Warning Light. However your vehicle's manufacturer may have a different definition for the P0856 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

P0856 Code Meaning :

P 0 8 5 6
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Manifold Absolute Pressure/Barometric Pressure Circuit High Input Turbocharger Boost Sensor A Circuit Low Reverse Input Circuit

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.

P0856 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0856 OBD-II Trouble Code When traction control is active, the Electronic Brake Control Module (EBCM). sends a serial data message to the Engine Control Module ( P0856 code.

Reason For P0856 Code

The reason of P0856 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.

P0856 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.