Vacuum Reservoir Pressure Sensor Circuit High

Where it lives

For P2528, the sensor sits on the circuit this code reports. The description of P2528 reports a fault at the sensor.

Check these first

• Signal wire shorted to power in the vacuum reservoir pressure sensor circuit
• Failed vacuum reservoir pressure sensor reading high
• Water in the vacuum reservoir pressure sensor connector
• Mismatched sensor fitted to the reservoir

What to do next

1. Read the vacuum reservoir pressure sensor signal voltage
2. Check the sensor signal wire for a short to power
3. Inspect the connector for water or corrosion
4. Confirm the correct sensor is installed
5. Replace the vacuum reservoir pressure sensor if the signal stays high
6. Clear the code and retest

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