Error code
OBD2 P2248
OBD2P2248
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
O2 Sensor Reference Voltage Performance.
Severity
moderateCan be driven but may experience reduced fuel efficiency and emissions issues.
Summary
P2248 indicates a performance issue with the heated oxygen sensor (HO2S) on bank 2, specifically related to its reference voltage.
Common Causes
- Wiring issues affecting the HO2S
Fixes
- Inspect and repair any wiring issues affecting the HO2S.
FAQ
What does P2248 mean?
P2248 indicates a problem with the reference voltage performance of the heated oxygen sensor (HO2S) on bank 2.
How serious is P2248?
Moderately serious. It can affect fuel efficiency and emissions but does not typically prevent driving.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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