What does code P1189 mean on BMW vehicles?
The ECU determines that fuel mixture control for Bank 2 (pre-catalyst sensor) is operating outside acceptable limits.
OBD-II Code BMW
P1189 — BMW — Fuel Control (Bank 2 Sensor 1) Fuel Trim Out of Specification
The ECU determines that fuel mixture control for Bank 2 (pre-catalyst sensor) is operating outside acceptable limits.
Common symptoms
- Increased fuel consumption
- possible rough running
Possible causes
- Faulty injectors
- malfunctioning O2 sensor
- fuel pressure issues
Initial recommendation
Perform detailed fuel mixture diagnosis including injectors and oxygen sensor.
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.
Analyze this code with MecaOBD
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