Error code
OBD2 P2252
OBD2P2252
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
O2 Sensor Negative Current Control Circuit Low.
Severity
moderateCan drive but monitor the issue and address it soon.
Summary
P2252 indicates that there is an issue with the negative current control circuit of the heated oxygen sensor (HO2S) on bank 1, which could be due to a wiring problem.
Common Causes
- Wiring short to ground
Fixes
- Inspect and repair wiring issues related to the oxygen sensor circuit.
FAQ
What does P2252 mean?
P2252 indicates a problem with the negative current control circuit of the heated oxygen sensor on bank 1.
How serious is P2252?
It's moderately serious. You can drive but should address it soon to prevent further issues.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2200NOx Sensor Circuit
- P2201NOx Sensor Circuit Range/Performance
- P2202NOx Sensor Circuit Low Input
- P2203NOx Sensor Circuit High Input
- P2204NOx Sensor Circuit Intermittent Input
- P2205NOx Sensor Heater Control Circuit/Open
- P2206NOx Sensor Heater Control Circuit Low
- P2207NOx Sensor Heater Control Circuit High
- P2208NOx Sensor Heater Sense Circuit
- P2209NOx Sensor Heater Sense Circuit Range/Performance
- P2210NOx Sensor Heater Sense Circuit Low Input
- P2211NOx Sensor Heater Sense Circuit High Input