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Home >> Chevrolet >> 2015 >> Camaro LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Controls And Fuel - 6.2L (L99 LS3 LSA) Or 7.0L (LS7) - DTC P0335 To DTC P3449 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2228 or P2229: Barometric Pressure (BARO) Sensor >> Circuit/System Description

Circuit/System Description

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The barometric pressure (BARO) sensor has a 5 V reference circuit, a low reference circuit, and a signal circuit. The engine control module (ECM) supplies 5 V to the BARO sensor on a 5 V reference circuit, and provides a ground on a low reference circuit. The BARO sensor provides a voltage signal to the ECM on a signal circuit relative to barometric pressure changes.

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