Chevrolet P1451: Barometric Pressure Sensor Range/Performance
Is your scanner showing Chevrolet P1451?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1451: Barometric Pressure Sensor Range/Performance
OVERVIEWWhat Does The Chevrolet P1451 Code Mean?
Engine cranking for 2 seconds, or engine running in closed loop at a stable speed, the PCM detected the difference between the BARO and MAP sensors was 26 kPa or higher.
What Are The Potential Causes Of The Chevrolet P1451 Code?
- BARO pressure sensor is damaged, “skewed” or it has failed
- MAP sensor is out-of-calibration or the sensor is “skewed”
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
