Error code
OBD2 P2253
OBD2P2253
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
O2 Sensor Negative Current Control Circuit High.
Severity
moderateCan drive but may experience poor fuel economy and emissions issues.
Summary
P2253 indicates an issue with the negative current control circuit of the heated oxygen sensor (HO2S) on bank 1, which is likely due to a wiring problem.
Common Causes
- Wiring short to positive
Fixes
- Repair or replace the faulty wiring in the negative current control circuit of the HO2S.
FAQ
What does P2253 mean?
P2253 indicates a problem with the heated oxygen sensor's (HO2S) negative current control circuit on bank 1.
How do I fix P2253?
Fixing P2253 typically involves repairing or replacing faulty wiring in the HO2S's negative current control circuit.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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