P0504 Engine Error Code

When you check engine light came on code P0504 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 P0504 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on your car models.

P0504 Code Symptoms

P0504 OBD2 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.

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.

P0504 OBD-II Diagnostic Powertrain (P) Trouble Code Description P0504 OBD-II Trouble Code The Engine Control Module ( P0504 Code Review : The reason of P0504 OBD-II Engine Error Code is P0504 Brake Switch Circuit A / B Correlation.

P0504 Code Dictionary Meaning:

- 0 - SAE - Generic 5 - Auxiliary Emission Controls 0 - Air Conditioning (A/C) Clutch Feedback Circuit High Voltage 4 - Cruise Vehicle Speed/Set Speed Difference Too High

How long can you drive with a P0504 code ?

If your vehicle is displaying a P0504 OBD2 error code but is still running and driving normally, it means that the issue might not be immediately critical or causing immediate harm to the vehicle. However, it's important to address the issue as soon as possible for several reasons:

• Potential for Worsening
• Decreased Fuel Efficiency
• Emissions Testing Compliance
• Risk of Further Damage
• Safety Concerns
• Legal Considerations