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AutoCodes - Generic - P1577

P1577 Code - Brake Booster Vacuum Sensor Circuit Low Input

- Code Popularity: 18,050 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1577?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Brake Booster Vacuum (BBV) sensor
  • Brake Booster Vacuum (BBV) sensor harness is open or shorted
  • Brake Booster Vacuum (BBV) sensor circuit poor electrical connection
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How to Fix the DTC P1577?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1577 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1577 Description

The P1577 code is set when the Powertrain Control Module (PCM) detects that the Brake Booster Vacuum (BBV) was -8 kPa or less, conditions met for 2 seconds.

OBDII Code P1577 - Brake Booster Vacuum Sensor Circuit Low Input - AutoCodes.com
P1577 Code - Brake Booster Vacuum Sensor Circuit Low Input

Need More Information on the Code?

Need more information on how to fix the P1577 code? Get Access to Factory Service Manuals

Information for Specific Makes

  • P1577 Audi Engine Mounting Control Solenoid Bank 1 Open Circuit
  • P1577 Buick Brake Booster Vacuum Sensor Circuit Low Input
  • P1577 Cadillac Brake Booster Vacuum Sensor Circuit Low Input
  • P1577 Chevrolet Brake Booster Vacuum Sensor Circuit Low Input
  • P1577 Ford Pedal Position Sensor Disagreement
  • P1577 GMC Brake Booster Vacuum Sensor Circuit Low Input
  • P1577 Honda High Voltage Detection Signal Circuit Problem
  • P1577 Saab Brake Pedal Position Switch Short To Ground
  • P1577 Volkswagen Engine Mounting Control Solenoid Bank 1 Open Circuit

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Code P1577 comments

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