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"Delete Error Code Permanently, Disable DTC Error Code Function for p0555 in the ECU"
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You are most welcome our diagnosis experts have in most cases the knowledge and skills to find the cause of the error code p0555 and to solve the problems. This article is strictly informational and the specific technical data and service bulletins for your vehicle should always take precedence. Hopefully, the information in this article has been helpful to point you in the right direction to correct the problem with your brake booster pressure sensor trouble code. Replacing a faulty brake booster pressure sensor.Resistance or no continuity is an indication of faulty wiring or connectors that are shorted or open and must be repaired or replaced. Continuity tests are always performed with the power removed from the circuit and the normal readings should be 0 ohms of resistance unless otherwise specified by the technical data. If this process identifies the absence of a power source or ground, continuity testing may be needed to check the condition of the wiring and connectors. The correct voltage input to a sensor with no output voltage is normally an indication of internal failure. Tech data should be referenced to obtain the correct voltage range for the Brake Booster Pressure Sensor and the appropriate trouble shooting sequence. Voltage requirements will vary based on the specific vehicle, the Brake Booster Pressure Sensor Circuit configuration and the components incorporated. Voltage requirements will very based of the specific year, make and model of the vehicle. These procedures require a digital multi meter and the specific technical references for the vehicle. The advanced steps become very vehicle specific and require the appropriate advanced equipment to perform accurately. Vacuum lines should be inspected for security, weather cracks, leaks and the overall serviceability level. The connectors should also be examined for corrosion build up or damaged pins. Once these components are located, a thorough visual inspection should be conducted to check all of the associated wiring and connectors for obvious defects such as scraping, rubbing, bare wires or burn spots. This will include the brake booster pressure sensor, the brake booster, vacuum lines, wiring, connectors and the PCM on a simplex system. Locate all of the components associated with the Brake Booster Pressure Sensor Circuit. The first step in the troubleshooting process for any malfunction is to research the Technical Service Bulletins for known issues with the specific vehicle. What are some P0555 troubleshooting steps? Defective brake booster pressure sensor.What are some of the common causes of the code? Increased effort required to depress the brake pedal.An illuminated Service Engine Soon Light.Symptoms of a P0555 trouble code may include: Photo of a brake booster pressure (vacuum) sensor: What are some of the symptoms of the code? At some point the safety level of the vehicle could become an issue requiring immediate attention. The severity of this code varies based on the specific malfunction and the severity level will progress if not corrected in a timely manner. This process is essential for the power brakes to function properly and safely slow down or stop the vehicle with the minimum amount of foot pressure being applied to the brake pedal.Ĭode P0555 is set by the PCM when the brake booster pressure sensor has no output voltage. The circuit is controlled by the PCM to adapt various braking situations and adjust the pressure to assist brake pedal operation. The purpose of the brake booster pressure sensor circuit is to monitor the amount of pressure (vacuum) applied to the power brake booster. The specific situation determines the code activated by the PCM and the brake warning light will be illuminated or flash when braking. The codes that are commonly associated to brake booster pressure sensor circuit malfunctions are P0555, P0556, P0557, P0558 and P0559. This code is an indication that the Powertrain Control Module (PCM) has detected a malfunction that is hindering the operation of the brake booster pressure sensor circuit. Trouble code P0555 is one of several possible codes associated to the Brake Booster Pressure Sensor Circuit. Although generic, the exact repair steps may vary depending on year, make, model and powertrain configuration. That may include but is not limited to vehicles from Fiat, Alfa Romeo, Nissan, Ford, Dodge, Pontiac, Chevrolet, Acura, Subaru, Hyundai, etc. This is a generic powertrain diagnostic trouble code (DTC) and applies to OBD-II vehicles that have a brake booster pressure sensor.
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OBD-II Trouble Code Technical Descriptionīrake Booster Pressure Sensor Circuit What does that mean?