What does P0857 Mean? The PCM has detected a malfunction in the traction control input signal circuit. The traction control input signal delivers data to the PCM and other controllers where it is utilized to calculate engine RPM, fuel delivery strategy, and engine timing, among other things. This code applies to vehicles equipped with electronic traction control systems only. engine code P0857P0857 fixobd P0857dtc P0857obd code P0857obd2 P0857P0857 car codediagnostic code P0857car code P0857check engine code P0857fehlercode P0857P0857 fiatcodigo P0857codigo falla P0857P0857 kody b??dówcodigo de falla P0857 What are the common causes of P0857 ? Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors. Low fuel pressure caused by a clogged filter, failing fuel pump, failed fuel pressure regulator or clogged or leaking injectors. Fuel with a large percentage of sulfur will clog the DPF quickly. How do you troubleshoot P0857 ? While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the P0857 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools. Searches related to P0857 Code - Traction Control Input Signal Range/Performance P0857 P0858
