OBDII Code List

P0069 SATURN - Manifold Absolute Pressure/Barometric Pressure Correlation

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty Barometric Pressure (BARO) sensor
  • Faulty Manifold Absolute Pressure (MAP) sensor
  • Manifold Absolute Pressure sensor harness open or shorted to ground
  • Manifold Absolute Pressure sensor circuit poor electrical connection
  • Engine mechanical problems

When is the code detected?

The Engine Control Module (ECM) has detected a correlation error between the Barometric Pressure (BARO) sensor and Manifold Absolute Pressure (MAP) sensor

Possible symptoms

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

P0069 Saturn Description

The barometric pressure (BARO) sensor measures the pressure of the atmosphere. This pressure is affected by altitude and weather conditions. A diaphragm within the BARO sensor is displaced by the pressure changes that occur from varying altitudes and weather conditions. The sensor translates this diaphragm action into the voltage signal input that is used by the Powertrain Control Module (PCM) for diagnostics and emissions control.
OBDII Code P0069 Saturn - Manifold Absolute Pressure/Barometric Pressure Correlation -

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