Error code
OBD2 P2630
OBD2P2630
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
O2 Sensor Pumping Current Trim Circuit Low.
Severity
moderateCan be driven but may cause increased emissions and reduced fuel efficiency.
Summary
P2630 indicates that the pumping current trim circuit of the heated oxygen sensor (HO2S) on bank 2 is low, which affects engine emissions monitoring.
Common Causes
- Wiring short to ground
Fixes
- Inspect and repair the wiring related to the oxygen sensor on bank 2.
FAQ
What does P2630 mean?
P2630 indicates a low pumping current trim circuit issue with the heated oxygen sensor (HO2S) on engine bank 2.
How do I fix P2630?
Inspect and repair any wiring issues related to the HO2S on bank 2. This may involve checking for shorts or damaged wires.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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