Next, visually inspect the wiring and connectors at the oil pressure sending unit. Or, perhaps you just had an oil change and the place forgot to refill the oil, tighten the filter enough, there are different reasons you may have a P0520 or related codes. It’s possible you have low or no oil pressure because you have a leak you are not aware of and the oil is gone. You want to make sure there is adequate oil in the engine and the oil filter or drain plug are not leaking or anything like that. Specifically one that we are aware off-hand is Dodge-Chrysler-Ram-Jeep models, it’s bulletin # 18-034-14.Īs a vehicle owner / DIYer the first obvious thing to do is to check the oil level using the dipstick. Your issue may be a known issue with a known fix put out by the manufacturer and can save you time and money during diagnosis. Short in the circuit to/from the oil pressure sensor and/or PCM and/or groundĪ good starting point is always to check for technical service bulletins (TSB) for your vehicle.
Excessive resistance in the oil pressure sensor circuit. Potential causes of a P0520 code include: Oil pressure indicator lamp illuminated. Malfunction Indicator Lamp (MIL) illuminated (a.k.a. For this P0520 trouble code, the cause is most likely electrical related. This specific P0520 diagnostic engine code is triggered when the PCM sees a value from the engine oil pressure sender that is out of it’s normal range. In some vehicles, that oil pressure value is then relayed to a gauge in the instrument cluster to show the driver the oil pressure, other times that gauge is not there but there will be a warning light if there is a problem. One of the sensors called the oil pressure sensor or sender detects the amount of (mechanical) oil pressure in the engine and relays that in the form of a voltage reading/value to the PCM. The vehicle’s main computer called the Powertrain Control Module (PCM) is in control of many sensors, controls, and electronics in the vehicle. In our experience the P0520 engine code appears more often on Chevrolet, Dodge, GMC, Mercedes Benz, Pontiac, and Cadillac, but applies to any make/model. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. This diagnostic trouble code (DTC) is a generic OBD-II powertrain code. OBD-II Trouble Code Technical DescriptionĮngine Oil Pressure Sensor/Switch Circuit
0 kommentar(er)
