Severity: 🟡 Medium — diagnose within a week
Bank 2 upstream O2 heater failure.
Replace O2 sensor, check heater circuit.
What does P0155 mean?
P0155 (O2 Sensor Heater Circuit (Bank 2 Sensor 1)) means Bank 2 upstream O2 heater failure. Common symptoms include mil on, slow warm-up on bank 2.
How much does P0155 repair cost in Hyderabad?
At GarageNation Hyderabad, we diagnose P0155 with dealer-grade scan tools and provide a fixed quote before any work begins. Call +91 8106316369 for an estimate.
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