3 Pin Brake Booster Pressure Sensor For Vacuum Line. Porsche 9YA / 9YA.2 Cayenne 2018>>  ❭  PAB61193110

3 Pin Brake Booster Pressure Sensor For Vacuum Line.
The OE MATCH 3 Pin Brake Booster Pressure Sensor is a replacement sensor designed to monitor pressure or vacuum conditions within the brake booster vacuum system on compatible Porsche applications.

Fits:

• Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
• Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
• Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
• Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
• Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
• Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
• Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
• Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
• Porsche 9YA Cayenne Coupe Turbo GT V8 4.0L (640Hp) 2021-23
• Porsche 9YA.2 Cayenne V6 3.0L Petrol (353Hp) 2023>>
• Porsche 9YA.2 Cayenne Coupe V6 3.0L (353Hp) 2023>>
• Porsche 9YA.2 Cayenne S V8 4.0L Petrol (474Hp) 2023>>
• Porsche 9YA.2 Cayenne S Coupe V8 4.0L (474Hp) 2023>>
• Porsche 9YA.2 Cayenne GTS V8 4.0L Bi-Turbo Petrol 2023>>
• Porsche 9YA.2 Cayenne GTS Coupe V8 4.0L Bi-Turbo 2023>>  

Fits On To Diagram Ref No 2

The sensor provides pressure information to the vehicle's electronic control systems. This allows the vehicle to monitor whether sufficient vacuum assistance is available for correct brake booster operation.

A faulty sensor can produce incorrect pressure readings, warning messages or diagnostic fault codes and may interfere with the vehicle's ability to accurately monitor the brake assistance system.

What This Product Does:
The brake booster uses vacuum assistance to reduce the amount of pedal effort required from the driver when applying the brakes.

The pressure sensor monitors conditions within the brake booster vacuum circuit and sends an electrical signal representing the measured pressure to the relevant vehicle control system.

This information can be used to:

• Monitor brake booster vacuum
• Confirm that sufficient brake assistance is available
• Detect abnormal pressure conditions
• Support brake-system diagnostics
• Identify problems within the vacuum supply system
• Provide information to relevant electronic control systems
• Trigger warnings or fault codes when an abnormal condition is detected

The sensor therefore acts as an important monitoring component within the brake assistance system.

Symptoms Of Wear Or Failure:
A faulty or deteriorated pressure sensor can provide inaccurate, intermittent or missing signals.

Possible symptoms include:

• Brake-system warning message
• Brake warning light
• Diagnostic trouble codes
• Brake booster pressure or vacuum-related fault codes
• Intermittent warning messages
• Implausible pressure readings during diagnostics
• Missing or unstable sensor data
• Faults that return after being cleared
• Electrical circuit fault codes
• Poor or intermittent connection at the sensor
• Reduced brake assistance if an underlying vacuum-system fault is also present

Because this sensor primarily monitors the system, symptoms such as a hard brake pedal should prompt inspection of the complete brake booster vacuum circuit rather than automatic sensor replacement.

Why Replacement Matters:
If testing confirms that the brake booster pressure sensor is faulty, replacement helps restore accurate monitoring of the brake booster vacuum system.

A correctly functioning sensor can help:

• Restore accurate pressure information
• Restore reliable brake booster vacuum monitoring
• Resolve confirmed sensor-related diagnostic faults
• Eliminate incorrect or intermittent sensor signals
• Restore communication with the vehicle's control system
• Support correct brake-system diagnostics
• Ensure genuine vacuum problems can be identified correctly

Because the sensor is associated with a safety-critical braking system, confirmed faults should be addressed promptly.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB61193110

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