P1451 OBD Trouble Code

1 result found

P1451 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Barometric Pressure Sensor Performance Conditions

Cause

Key on for 2 seconds or engine cranked for 2 seconds, then the PCM detected the difference between BARO pressure and manifold absolute pressure was 67 kPa or more during the test.

Try also: https://www.obd-codes.com/p1451