Error code
OBD2 P2246
OBD2P2246
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
O2 Sensor Reference Voltage Circuit High.
Severity
moderateCan drive but may experience reduced fuel efficiency and emissions issues.
Summary
P2246 indicates an issue with the reference voltage circuit of the heated oxygen sensor (H028) on bank 1, which is likely due to a wiring problem.
Common Causes
- Wiring short to positive
Fixes
- Repair or replace the faulty wiring.
FAQ
What does P2246 mean?
P2246 indicates a problem with the reference voltage circuit of the heated oxygen sensor (H028) on bank 1.
How do I fix P2246?
Fixing P2246 typically involves repairing or replacing faulty wiring in the reference voltage circuit of the heated oxygen sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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