P0037
Low
Powertrain
HO2S Heater Circuit Low (Bank 1 Sensor 2)
Common Causes
Short to ground in downstream O2 heater circuit
Damaged sensor
Chafed wiring
Was this information helpful?
Quick Info
| Code | P0037 |
| System | Powertrain |
| Severity | Low |
Disclaimer
This information is for diagnostic guidance only. Always verify repairs with a qualified technician before performing safety-critical work.
Track your repair and verify the fix with the FaultFix app
Connect an OBD2 scanner · rescan after the repair · earn a verified fix credit