What does the OBDII code P2442 mean? P2442 indicates that the secondary air injection system switching valve is stuck open on Bank 2, which can lead to improper air injection and affect emissions.

Sep 18, 2023 · DTC P2442 stands for “Secondary Air Injection System Switching Valve Stuck Open Bank 2,” and it’s logged when the PCM detects a stuck open valve in the SAI system. Malfunctioning …

P2442 Code: Symptoms, Causes, and How to Fix It Drivers who encounter P2442 usually notice the Check‑Engine Light come on while the vehicle’s performance feels muted. The engine may run a …

Code P2442, which stands for “AIR System Switching Valve Stuck Open Bank 2,” is one of the many codes that a vehicle’s OBD system can produce. In this article, we will explain what this code means, …

Learn about P2442 symptoms, causes, and potential solutions from the diagnostic experts at RepairPal.

What Causes P2442? The primary reason for P2442 is Mechanical failure of the Air Switching Valve. Many factors contribute to this failure including moisture entering the system, debris from Air Pump, …

P2440 (Secondary Air Injection System Switching Valve Stuck Open Bank 1) P2442 (Secondary Air Injection System Switching Valve Stuck Open Bank 2) P2445 (Secondary Air Injection System Pump …

Jun 4, 2025 · Learn all about the P2442 code, what causes Secondary Air Injection System Switching Valve Stuck Open, and how to diagnose and fix common issues to maintain optimal engine …

The P2442 diagnostic trouble code (DTC) signals that the secondary air injection system’s switching valve is detected as stuck open by the engine control module (ECM).

What does trouble code P2442 mean? The P2442 fault code indicates an issue with the secondary air injection system, specifically the switching valve for Bank 2.