P0155
Moderate
Powertrain
O2 Sensor Heater Circuit (Bank 2 Sensor 1)
Common Causes
Failed heater element Bank 2 upstream sensor
Blown fuse
Open wiring
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Quick Info
| Code | P0155 |
| System | Powertrain |
| Severity | Moderate |
Disclaimer
This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.
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