FixVault
Home › Cadillac › 1990 › Seville Base, 4T60/ME9 › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › ECM Trouble Code Charts › ECM Code EO40: Open PSPS Circuit › Test Conditions:

Test Conditions:

Vehicle speed greater than or equal to 45 MPH.

About FixVault