DTC P0453 Cadillac
Fuel Tank Pressure Sensor Circuit High Input
Fuel Tank Pressure Sensor Circuit High Input
Description
Key on or engine running; and the PCM detected an unexpected high voltage condition (more than 4.90v) on the Fuel Tank Pressure sensor signal circuit for 5 seconds in the test.
Cause and Solution
FTP sensor signal circuit is shorted to VREF or system power
FTP sensor ground circuit is open between sensor and PCM
FTP sensor is damaged or has failed
Video Guide
Diagnostic Info
- DTC Code: P0453
- Brand: Cadillac