What does code P1285 mean on BMW vehicles?
The ECU detects a high signal condition in the control circuit of the air-assisted injection valve switching solenoid on Bank 1.
OBD-II Code BMW
P1285 — BMW — Switching Solenoid for Air Assisted Injection Valves Bank 1 Control Circuit Signal High
The ECU detects a high signal condition in the control circuit of the air-assisted injection valve switching solenoid on Bank 1.
Common symptoms
- Check engine light illuminated
Possible causes
- Short circuit to voltage
- damaged wiring
Initial recommendation
Inspect wiring harness for shorts and verify solenoid operation.
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
Use the app to combine BMW code P1285 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands