P1614 Lexus Code - Secondary Air Injection System Driver Bank 2
Quick Answer
For a short time after the cold engine starts, the Engine Control Module (ECM) transmits command signals to the Air Injection Control Driver (AID) to drive the air pump and the Air Switching Valve (ASV). Common causes include Faulty Air Injection Control Driver (AID), Air Injection Control Driver harness is open or shorted, Air Injection Control Driver circuit poor electrical connection. 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
- P1614 Lexus indicates Secondary Air Injection System Driver Bank 2.
- Common causes
- Common causes include Faulty Air Injection Control Driver (AID), Air Injection Control Driver harness is open or shorted, Air Injection Control Driver circuit poor electrical connection.
- 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 P1614 Lexus Description
What are the Possible Causes of the DTC P1614 Lexus?
- Faulty Air Injection Control Driver (AID)
- Air Injection Control Driver harness is open or shorted
- Air Injection Control Driver circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1614 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 P1614 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.
Need more information about the P1614 Lexus code?
Need more information on how to fix the P1614 Lexus code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1614 Lexus code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1614 Lexus Code
1. What does the OBDII code P1614 mean on a Lexus?
P1614 indicates an issue with the Secondary Air Injection System Driver on Bank 2, which helps reduce emissions during cold starts.
2. What are the common symptoms of a P1614 code in a Lexus?
Common symptoms include a check engine light, reduced fuel efficiency, rough engine starts, and possible hesitation during acceleration.
3. What causes the P1614 code to appear on a Lexus?
The P1614 code can be caused by a faulty air injection pump, a malfunctioning air control valve, damaged wiring, or a failed secondary air injection relay.
4. Can I drive my Lexus with a P1614 code?
While it may still be drivable, operating the vehicle with a P1614 code can lead to increased emissions and potential damage to the emission system over time.
5. How do I diagnose the P1614 code on a Lexus?
Diagnosis involves using an OBDII scanner, inspecting the secondary air injection pump and valves, checking the wiring and connectors for damage, and testing the relay functionality.
6. What is the role of the Secondary Air Injection System in a Lexus?
The system injects air into the exhaust to help reduce emissions during cold starts by promoting more efficient catalytic converter operation.
7. How much does it cost to repair a P1614 code on a Lexus?
Repair costs vary but may range from $200 to $600, depending on whether the air pump, control valve, or other components need replacement.
8. Can a clogged secondary air injection valve trigger a P1614 code?
Yes, a clogged or stuck-open secondary air injection valve can restrict airflow and cause the P1614 code.
9. How can I prevent a P1614 code from recurring in my Lexus?
Regular maintenance, including cleaning or replacing the air injection system components and checking electrical connections, can help prevent this code.
10. Does a P1614 code affect my Lexus's emissions test results?
Yes, a P1614 code may cause your vehicle to fail an emissions test due to the malfunction of the secondary air injection system.
Discuss the causes and fixes for P1614 Lexus OBDII Code
Code P1614 Lexus comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
