What does code P0157 mean on Land Rover vehicles?
The ECU detects a low voltage signal from the downstream oxygen sensor on bank B.
OBD-II Code Land Rover
P0157 — Land Rover — Oxygen Sensor Downstream Bank B Low Voltage
The ECU detects a low voltage signal from the downstream oxygen sensor on bank B.
Common symptoms
- Catalyst efficiency concern
Possible causes
- Faulty downstream oxygen sensor
Initial recommendation
Inspect downstream oxygen sensor signal and 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 Land Rover code P0157 with your vehicle's actual symptoms for more complete diagnostic guidance.
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