P1445 Lexus Code - Secondary Air Injection System Switching Valve Stuck Close Bank 2
Quick Answer
The Engine Control Module (ECM) detects pressure change with the pressure sensor to determine malfunctioning parts in the system,and stores the DTCs. Common causes include Faulty Vacuum Switching Valve (VSV), VSV for air injection control circuit Bank 2, Air switching valve No.2 Bank 2. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1445 Lexus indicates Secondary Air Injection System Switching Valve Stuck Close Bank 2.
- Common causes
- Common causes include Faulty Vacuum Switching Valve (VSV), VSV for air injection control circuit Bank 2, Air switching valve No.2 Bank 2.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1445 Lexus Description
Points A and B:
ECM detects pressure changes (decrease), and determines that the ASV No.2 is open.
Points C and F:
ECM detects pressure and exhaust pulsation, and determines the pressure pattern of the system.
Point D:
ECM operate the system, as indicated by the dashed lines, to determine which of the ASV No.2 is malfunctioning only when pressure changes cannot be detected at point B.
Point E:
ECM detects exhaust pulsation to determine the condition of the system.
What are the Possible Causes of the DTC P1445 Lexus?
- Faulty Vacuum Switching Valve (VSV)
- VSV for air injection control circuit Bank 2
- Air switching valve No.2 Bank 2
- VSV for air injection system Bank 2
- Engine Control Module (ECM)
How to Fix the DTC P1445 Lexus?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1445 Lexus code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1445 Lexus Code
1. What are the common symptoms of OBDII code P1445 in a Lexus related to the Secondary Air Injection System Switching Valve Stuck Closed Bank 2?
- Common symptoms include poor engine performance, reduced fuel efficiency, rough idling, and the illumination of the Check Engine Light.
2. What are the possible causes of the OBDII code P1445 in a Lexus indicating an issue with the Secondary Air Injection System Switching Valve Stuck Closed Bank 2?
- The code can be triggered by a faulty secondary air injection system switching valve, damaged wiring or connectors, or a vacuum leak in the system.
3. How can I diagnose the OBDII code P1445 in a Lexus related to the Secondary Air Injection System Switching Valve Stuck Closed Bank 2?
- Diagnose by visually inspecting the switching valve and associated components, checking for vacuum leaks, and using an OBDII scanner to retrieve trouble codes and live data.
4. Are there any quick repair tips for resolving the OBDII code P1445 in a Lexus due to the Secondary Air Injection System Switching Valve Stuck Closed Bank 2?
- Quick repair tips include checking and repairing any damaged wiring or connectors, ensuring proper vacuum hose connections, and replacing the faulty switching valve if necessary.
5. Can I continue driving my Lexus with the OBDII code P1445 indicating a problem with the Secondary Air Injection System Switching Valve Stuck Closed Bank 2?
- It is not recommended to continue driving with this code illuminated, as it can lead to further damage to the engine and emissions system. It is best to address the issue promptly.
6. How much does it typically cost to repair the OBDII code P1445 in a Lexus linked to the Secondary Air Injection System Switching Valve Stuck Closed Bank 2?
- The cost of repair can vary depending on the exact cause of the issue, but it may range from $200 to $600, including parts and labor.
7. Can I reset the Check Engine Light after repairing the OBDII code P1445 in a Lexus related to the Secondary Air Injection System Switching Valve Stuck Closed Bank 2?
- Yes, you can reset the Check Engine Light using an OBDII scanner after repairing the issue. This will clear the code from the system and turn off the warning light.
8. How often does the Secondary Air Injection System Switching Valve Stuck Closed Bank 2 issue occur in Lexus vehicles?
- This issue can occur sporadically in Lexus vehicles, typically due to wear and tear on the components over time or environmental factors affecting the system.
9. Are there any preventive maintenance steps to avoid encountering the OBDII code P1445 in a Lexus related to the Secondary Air Injection System Switching Valve Stuck Closed Bank 2?
- Regularly inspecting and maintaining the secondary air injection system components, such as the switching valve and associated hoses, can help prevent this issue from occurring.
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