P1135 BMW Possible Causes
What does it mean?
- Faulty HO2S sensor, bank 1 sensor 1
- Open or short circuit in HO2S bank 1 sensor 1 wiring harness
- Poor electrical connection in HO2S bank 1 sensor 1 circuit
How to fix BMW P1135 code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check engine light on (or service engine soon warning light)
P1135 BMW Meaning
Low voltage in O2 sensor heater circuit, bank 1 sensor 1 is the generic description for P1135 BMW code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the P1135 BMW OBDII code.