Barometric Pressure Sensor Performance
Table of contents
P1451 CADILLAC Possible Causes
- Faulty Barometric Pressure Sensor
- Barometric Pressure Sensor harness is open or shorted
- Barometric Pressure Sensor circuit poor electrical connection
How do I fix code P1451 CADILLAC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1451 CADILLAC code
The cost of diagnosing the P1451 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1451 CADILLAC Description
With the key on for 2 seconds or engine cranked for 2 seconds, the Powertrain Control Module (PCM) detects that the BARO Pressure sensor input was less than 33 kPa, or was more than 134 kPa, or during the Input Range Check, that the BARO Pressure sensor indicated an input greater than or equal to 135 kPa, condition met for 2 seconds.