Logo

P1557 Engine Trouble Code

Meaning of P1557 engine trouble code is : 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.

P1557 Possible Solution:

P1557 Engine

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.

P1557 Code Meaning :

P 1 5 5 7
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Fuel Composition Sensor Circuit Malfunction Cylinder 1 Injector Circuit Low Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

P1557 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1557 OBD-II Trouble Code Charge Pressure Positive Deviation is one of the definitions for the P1557; however your vehicles manufacturer may have a different definition for the P1557 code. Please check below for your specific P1557 code.

Reason For P1557 Code

The reason of P1557 OBD-II Engine Trouble Code is Fuel Composition Sensor Circuit Malfunction.

P1557 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.