DTC P0117 BMW
ECT Sensor Circuit Low Input
ECT Sensor Circuit Low Input
Description
Engine started (cold) for 10 seconds, battery voltage must be 11.5, and all equipment must be off. The DME detected the ECT sensor signal was less than the self-test minimum. This is a thermistor-type sensor with a variable resistance that changes when ex
Cause and Solution
ECT sensor signal circuit is grounded in the wiring harness
ECT sensor doesn’t react to changes in temperature
Video Guide
Diagnostic Info
- DTC Code: P0117
- Brand: BMW