Error code
OBD2 P2245
OBD2P2245
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
O2 Sensor Reference Voltage Circuit Low.
Severity
moderateCan drive but may experience reduced fuel efficiency and emissions issues.
Summary
P2245 indicates that there is an issue with the reference voltage circuit of the heated oxygen sensor (HO28) on bank 1, which could affect engine performance.
Common Causes
- Wiring short to ground
Fixes
- Repair or replace the faulty wiring in the oxygen sensor circuit.
FAQ
What does P2245 mean?
P2245 indicates a low reference voltage issue with the heated oxygen sensor on bank 1.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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