P0660 Lexus Code - Intake Manifold Tuning Valve Control Circuit Open Bank 1
Quick Answer
The Engine Control Module (ECM) continuously monitors the Intake Manifold Tuning Valve (IMTV) system during the Key ON engine OFF or key ON engine running self-test. Common causes include Faulty Intake Manifold Tuning Valve (IMTV), Intake Manifold Tuning Valve harness is open or shorted, Intake Manifold Tuning Valve 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
- P0660 Lexus indicates Intake Manifold Tuning Valve Control Circuit Open Bank 1.
- Common causes
- Common causes include Faulty Intake Manifold Tuning Valve (IMTV), Intake Manifold Tuning Valve harness is open or shorted, Intake Manifold Tuning Valve 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 P0660 Lexus Description
What are the Possible Causes of the DTC P0660 Lexus?
- Faulty Intake Manifold Tuning Valve (IMTV)
- Intake Manifold Tuning Valve harness is open or shorted
- Intake Manifold Tuning Valve circuit poor electrical connection
How to Fix the DTC P0660 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 P0660 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 P0660 Lexus Code
What does the OBDII code P0660 mean for a Lexus?
Code P0660 indicates an issue with the intake manifold tuning valve control circuit being open in Bank 1, which can affect engine performance.
What are the common symptoms of code P0660 on a Lexus?
Symptoms may include reduced engine power, poor fuel efficiency, rough idling, and possibly an illuminated check engine light.
What causes the P0660 code to appear on a Lexus?
Common causes include a faulty intake manifold tuning valve, damaged wiring or connectors in the control circuit, or issues with the engine control module (ECM).
Can I drive my Lexus with a P0660 code?
While the car may still be drivable, it’s not recommended as performance issues and further damage to the engine may occur over time.
How do I diagnose the P0660 code on a Lexus?
Diagnosis typically involves inspecting the wiring and connectors, checking the intake manifold tuning valve for proper operation, and testing the circuit for continuity.
What repairs are needed to fix code P0660 on a Lexus?
Repairs may include replacing the intake manifold tuning valve, repairing or replacing damaged wiring, or addressing ECM issues if necessary.
How much does it cost to fix code P0660 on a Lexus?
Repair costs can vary depending on the specific issue but typically range from $200 to $500, including parts and labor.
What tools are needed to troubleshoot code P0660 on a Lexus?
Tools may include a multimeter, OBDII scanner, and basic hand tools for inspecting and replacing components.
Can a dirty intake manifold cause code P0660 on a Lexus?
While a dirty intake manifold can affect performance, code P0660 specifically points to a control circuit issue rather than cleanliness.
How can I prevent code P0660 from occurring on my Lexus?
Regular maintenance, including inspecting wiring and ensuring proper operation of the intake manifold tuning valve, can help prevent this code.
Discuss the causes and fixes for P0660 Lexus OBDII Code
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