P0115Bmw M5Years: 1996 - 2026
Engine Coolant Temperature (ECT) Circuit Malfunction
What does this mean?
The ECT sensor measures coolant temperature to help the PCM adjust fuel injection and ignition timing. Code P0115 indicates a general circuit malfunction.
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Bmw M5 models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
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Common Causes
DB.cause_sensor
DB.cause_vacuum
DB.cause_wear
Symptoms to Watch For
- Check Engine Light is illuminated
- DB.symp_engine_perf
- DB.symp_fuel_econ
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Repair Estimate
$100 - $450
Includes parts and labor. May vary by location.
DIY Difficulty
Moderate