OBD Code P0129

Barometric Pressure Too Low

What’s mean?

OBD2 Code P0129 Definition:
The Engine Control Module (ECM) has detected an out of range signal from the Manifold Absolute Pressure (MAP) sensor

Symptoms

Possible sumptoms of P0129
– Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

Possible causes of P0129
– Manifold Absolute Pressure (MAP) sensor harness open or shorted – Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection – Faulty Manifold Absolute Pressure (MAP) sensor

Possible Solutions