FixVault

Engine Coolant Temperature (ECT) Sensor: P0117

The scan tool indicates Diagnostic Trouble Code (DTC) P0117: A low voltage (high temperature) problem in the Engine Coolant Temperature (ECT) sensor circuit.

Fig 1: Diagnostic Trouble Code (P0117) - Flowchart
G06290308Courtesy of AMERICAN HONDA MOTOR CO., INC.