Logo

P1454 Engine Trouble Code

Meaning of P1454 engine trouble code is : When your car's 'P1454 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

P1454 Possible Solution:

P1454 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.

P1454 Code Meaning :

P 1 4 5 4
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering O2 Sensor Heater Circuit Malfunction Cylinder 1 Injector Circuit Low Timing Reference High Resolution Signal A Too Many Pulses

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

P1454 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1454 OBD-II Trouble Code Evaporative System Vacuum Test Malfunction is one of the definitions for the P1454; however your vehicles manufacturer may have a different definition for the P1454 code. Please check below for your s P1454 code.

Reason For P1454 Code

The reason of P1454 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P1454 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.