P1189 Engine Trouble Code
Meaning of P1189 engine trouble code is : When the check engine light comes P1189 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.
P1189 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.
P1189 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering||Fuel Rail/System Pressure - Too High||Ignition/Distributor Engine Speed Input Circuit Malfunction||Reverse Input Circuit|
The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.
P1189 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1189 OBD-II Trouble Code Engine Oil Pressure Switch Fault is one of the definitions for the P1189; however your vehicles manufacturer may have a different definition for the P1189 code. Please check below for your specific ma P1189 code.
Reason For P1189 CodeThe reason of P1189 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.
P1189 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.