What does code P1115 mean on BMW vehicles?
The engine control module detects implausible values from the coolant temperature sensor when compared with other temperature inputs.
OBD-II Code BMW
P1115 — BMW — Coolant Temperature Sensor Plausibility
The engine control module detects implausible values from the coolant temperature sensor when compared with other temperature inputs.
Common symptoms
- Check engine light on
- incorrect temperature readings
Possible causes
- Faulty coolant temperature sensor
- wiring issue
- sensor mismatch
Initial recommendation
Compare ECT sensor readings with other temperature sensors and replace the faulty sensor if needed.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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