Chevrolet P1450: Barometric Pressure Sensor Circuit Malfunction
Is your scanner showing Chevrolet P1450?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1450: Barometric Pressure Sensor Circuit Malfunction
OVERVIEWWhat Does The Chevrolet P1450 Code Mean?
Engine cranking or engine is running in closed loop at a steady speed, and the PCM detected the BARO sensor signal indicated less than 33 kPa, or it detected that it indicated more than 135 kPa.
What Are The Potential Causes Of The Chevrolet P1450 Code?
- BARO pressure sensor circuit is open or shorted to ground
- BARO pressure sensor signal circuit is shorted to VREF
- BARO pressure sensor power (VREF) circuit is open
- BARO pressure sensor is damaged or has failed
- 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.
