LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 1990 >> Allante F7/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> ECM DTC EO37: Shorted Mat Sensor Circuit >> Failure Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Failure Conditions

MAT 148°C or greater.