DeVille V8-4.6L VIN Y (1998)
Body Control Module: Description and Operation
Fuel Level Sensing
The Body Control Module (PZM) calculates the fuel level than sends a serial data message to the instrument cluster and the Powertrain Control Module
(PCM). The PZM sends the fuel level information to the instrument cluster each time there is a change of at least 0.5 liters (0.13 gallons). The PZM
send the fuel level information to the PCM each time a change of 1.0 liter (0.26 gallons).
