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Home >> Cadillac >> 2000 >> Catera >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 3.0L >> Diagnostic Tests >> DTC P1511: Throttle Control System - Back-Up System Performance >> Circuit Description

Circuit Description

ECM tests the ability of the throttle blade to operate in the limp home throttle angle opening. This DTC will run when vehicle is not moving, engine speed is less than 250 RPM, ECT is less than 41°F (5°C), battery voltage greater than 10 volts and accelerator pedal position is less than 15 percent. DTC will set when TP sensor is less than 3.7 percent or greater than 9.8 percent.