P0129 Barometric Pressure Out Of Range Low

Possible causes

– Faulty Manifold Absolute Pressure (MAP) sensor
– Manifold Absolute Pressure (MAP) sensor harness open or shorted
– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection

Symptoms

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

P0129 Description

The Engine Control Module (ECM) has detected an out of range signal from the Manifold Absolute Pressure (MAP) sensor