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P2260 OBD2: Secondary Air Injection System Control "B" Circuit High

P2260 OBD2: Secondary Air Injection System Control “B” Circuit High

The P2260 code is an OBD-II trouble code that indicates a problem with the Secondary Air Injection System Control “B” Circuit. This system is crucial for reducing emissions during cold engine starts.

What Does the P2260 Code Mean?

The P2260 code signifies that the Powertrain Control Module (PCM) has detected a high circuit condition in the Secondary Air Injection System Control “B”. This system is designed to inject outside air into the exhaust system to help burn off excess emissions during the initial start-up phase of the engine.

What Causes the P2260 Code?

  • Clogged or disconnected vacuum hose
  • Powertrain Control Module (PCM) failure
  • Secondary air pump failure
  • Secondary air pump relay failure
  • Wiring issues

What Are the Symptoms of the P2260 Code?

Drivers experiencing a P2260 code may notice the following symptoms:

  • Check Engine Light illuminated
  • Decreased engine performance
  • Increased emissions

How Serious Is the P2260 Code?

The P2260 code carries a moderate severity level. While it may not pose an immediate threat to the vehicle’s safety or functionality, it is advisable to diagnose and address the issue promptly to prevent further complications.

How to Diagnose the P2260 Code

Diagnosing the P2260 code typically involves the following steps:

  1. Use an OBD-II scanner to confirm the P2260 code and check for other related codes.
  2. Inspect the Secondary Air Injection System components, including hoses, pump, and wiring.
  3. Test the relay and ensure it is functioning properly.
  4. Check for vacuum leaks in the system.

Common Repairs for the P2260 Code

Common repairs for the P2260 code may include:

  • Replacing a faulty secondary air pump
  • Repairing or replacing damaged wiring
  • Reconnecting or replacing a clogged vacuum hose
  • Replacing the PCM if found defective

How Much Does It Cost to Fix the P2260 Code?

The cost to fix the P2260 code can vary widely based on the specific issue and labor costs in your area. On average, repairs can range from $100 to $500, depending on whether it involves simple hose replacements or more complex PCM repairs.

Can I Fix the P2260 Code Myself?

While some aspects of diagnosing and fixing the P2260 code can be done by a DIY enthusiast, such as checking hoses and connections, more complex repairs like PCM replacement may require professional expertise. If you are unsure, it is best to consult a certified mechanic.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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