Check P1274 Fault Code

When you check engine light came on code P1274 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P1274 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1274 Code Reason

P1274 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.

P1274 Possible Fix :

The most likely cause of this is that there is no refrigerant left in your system. This could be caused by a leak in your system somewhere, which will have to be fixed before refilling the refrigerant. If you're car-savvy and you own a set of air conditioning gauges, refilling the refrigerant is usually easy to do yourself. However, if you're not so confident, enlist the help of a knowledgeable friend or take a quick trip to the mechanic.

P1274 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1274 OBD-II Trouble Code Cylinder #4 High To Low Side Open is one of the definitions for the P1274; however your vehicles manufacturer may have a different definition for the P1274 code. Please check below for your specific m

Reason For P1274 Code

The reason of P1274 OBD-II Fault Code Check is P1274 Cylinder #4 High To Low Side Open.

P1274 Solution:

Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.

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How to Clear P1274 Trouble Code

An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.