OBD Guide

P2630

O2 Sensor Pumping Current Trim Circuit Low Bank 2 Sensor 1

P2630 is an OBD-II diagnostic trouble code meaning: O2 Sensor Pumping Current Trim Circuit Low Bank 2 Sensor 1. Common causes: bank 2 sensor 1 oxygen sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $22–67.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–67 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable engine operation
  • Check Engine light comes on
  • Reduced engine power
  • Increased level of harmful emissions

Causes

  • Bank 2 Sensor 1 Oxygen Sensor Malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • ECU malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the oxygen sensor circuit
  2. Inspect connectors for corrosion or damage
  3. Replace Bank 2 Sensor 1 oxygen sensor if necessary
  4. Check and replace wiring harness if necessary
  5. Diagnostics and possible replacement of the ECU

Related codes

Error P2630 by Vehicle Brand

FAQ

What does the P2630 code mean?

P2630 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Pumping Current Trim Circuit Low Bank 2 Sensor 1

What causes a P2630 error code?

The most common causes of P2630 include: Bank 2 Sensor 1 Oxygen Sensor Malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; ECU malfunction.

How do I fix a P2630 diagnostic trouble code?

To fix P2630: Check the continuity of the oxygen sensor circuit. Inspect connectors for corrosion or damage. Replace Bank 2 Sensor 1 oxygen sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2630?

Yes, but get it checked soon

How much does it cost to fix P2630?

The estimated repair cost for P2630 is $22–67. Actual cost depends on your vehicle, location, and labor rates.

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