FixVault

2025-Intake Manifold Pressure Sensor Signal Faulty: Notes

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS article.

  1. When Monitored: 

    With the ignition on.

Possible Causes 
INTERMITTENT DTC
BOOST PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND
BOOST PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
BOOST PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT SHORTED TO BOOST PRESSURE SENSOR GROUND
BOOST PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO BOOST PRESSURE SENSOR GROUND
BOOST PRESSURE SENSOR 5 VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE
BOOST PRESSURE SENSOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
BOOST PRESSURE SENSOR
ENGINE CONTROL MODULE (ECM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.