OBD Guide

P1412

Secondary Air Injection System Fault Bank 1

P1412 is an OBD-II diagnostic trouble code meaning: Secondary Air Injection System Fault Bank 1. Common causes: secondary air pump malfunction, damaged or clogged air tubes. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Increased emissions
  • Deterioration in acceleration dynamics
  • Unstable operation at idle
  • Possible noise from the area of the secondary air pump

Causes

  • Secondary air pump malfunction
  • Damaged or clogged air tubes
  • Problems with the system solenoid valve
  • Open or short circuit in control circuit
  • Secondary air pump relay malfunction

How to Fix

  1. Check the operation of the secondary air pump
  2. Inspect the air tubes for damage
  3. Check the condition of the solenoid valve
  4. Diagnose control circuit and relay
  5. Scan the system for other errors

Related codes

Error P1412 by Vehicle Brand

FAQ

What does the P1412 code mean?

P1412 is an OBD-II diagnostic trouble code that indicates: Secondary Air Injection System Fault Bank 1

What causes a P1412 error code?

The most common causes of P1412 include: Secondary air pump malfunction; Damaged or clogged air tubes; Problems with the system solenoid valve; Open or short circuit in control circuit.

How do I fix a P1412 diagnostic trouble code?

To fix P1412: Check the operation of the secondary air pump. Inspect the air tubes for damage. Check the condition of the solenoid valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1412?

Yes, but get it checked soon

How much does it cost to fix P1412?

The estimated repair cost for P1412 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat