P2527 Fault Code

Vacuum Reservoir Pressure Sensor Circuit Low

• What does that mean?
• Symptoms
• Causes
• Solutions

The P2527 fault code indicates an issue with the Vacuum Reservoir Pressure Sensor Circuit, specifically, that the sensor is reading a low pressure value. The vacuum reservoir plays a crucial role in assisting various engine systems, and any faults in its readings can lead to performance issues.

What are the symptoms of the P2527 code?

Symptoms associated with the P2527 code may include:

• Decreased engine performance.
• Difficulty in starting the vehicle.
• Rough idling or stalling.
• Dashboard warning lights, such as the check engine light illuminating.

What causes the P2527 code?

Common causes of this fault code include:

• A faulty vacuum reservoir pressure sensor.
• Damaged or disconnected wiring to the sensor.
• Vacuum leaks in the reservoir or related hoses.
• Issues within the engine control unit (ECU) that are misinterpreting sensor readings.

How to fix P2527?

To resolve the P2527 fault code, consider the following steps:

• Inspect and repair any damaged wiring or connectors related to the vacuum reservoir pressure sensor.
• Check for vacuum leaks in the system, and replace damaged hoses as necessary.
• Test the vacuum reservoir pressure sensor using a multimeter and replace if found faulty.
• Clear the fault codes and perform a test drive to ensure the issue has been resolved.