OBD Guide

P2AE9

Intake Air O2 Sensor Pumping Current Trim Circuit Open Bank 2

P2AE9 is an OBD-II diagnostic trouble code meaning: Intake Air O2 Sensor Pumping Current Trim Circuit Open Bank 2. Common causes: broken wires in the sensor harness, poor contact in the sensor connector. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Unstable engine idling
  • Reduced engine power
  • Dips during acceleration

Causes

  • Broken wires in the sensor harness
  • Poor contact in the sensor connector
  • Malfunction of the oxygen sensor itself
  • Damage to wire insulation
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Inspect connectors for corrosion and damage
  3. Test sensor circuit resistance
  4. Check the functionality of the oxygen sensor
  5. If necessary, replace the sensor or repair the wiring

Related codes

Error P2AE9 by Vehicle Brand

FAQ

What does the P2AE9 code mean?

P2AE9 is an OBD-II diagnostic trouble code that indicates: Intake Air O2 Sensor Pumping Current Trim Circuit Open Bank 2

What causes a P2AE9 error code?

The most common causes of P2AE9 include: Broken wires in the sensor harness; Poor contact in the sensor connector; Malfunction of the oxygen sensor itself; Damage to wire insulation.

How do I fix a P2AE9 diagnostic trouble code?

To fix P2AE9: Check the integrity of the sensor wiring harness. Inspect connectors for corrosion and damage. Test sensor circuit resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2AE9?

Yes, but get it checked soon

How much does it cost to fix P2AE9?

The estimated repair cost for P2AE9 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat