OBD-II Generic Error Code P0663: How to Fix It

Medium 1-2 hours Medium Severity Verified June 2026
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Error Code
P0663
Brand
OBD-II Generic
Product Type
automotive
Severity
Medium
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
Error code P0663 means the powertrain control module (PCM) has detected a malfunction in the intake manifold tuning solenoid circuit for bank 2. This solenoid adjusts air intake runners for optimal performance. The code can cause reduced engine power, poor fuel economy, and rough idle.
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Tools You'll Need

How to Fix Error Code P0663

  1. Read and Clear Code

  2. Visually Inspect Wiring and Connector

    Ensure engine is off and cool before touching components.

  3. Test Solenoid Resistance

  4. Check Power and Ground at Connector

    Be careful not to short pins.

  5. Test PCM Output (Optional)

  6. Replace Solenoid if Faulty

    Do not overtighten bolts; follow torque specs.

Parts You May Need

Intake Manifold Tuning Solenoid (Bank 2)
Check Price on Amazon
Intake Manifold Tuning Solenoid (Bank 2)
Check Price on Amazon
Intake Manifold Tuning Solenoid (Bank 2)
Check Price on Amazon
Intake Manifold Tuning Solenoid (Bank 2)
Check Price on Amazon
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When to Call a Professional

If you have cleared the code and replaced the solenoid but the code returns, or if you suspect a PCM fault, consult a professional mechanic. Also seek help if you are uncomfortable with electrical testing.

Frequently Asked Questions

What does error code P0663 mean?
P0663 indicates a problem with the intake manifold tuning solenoid circuit for bank 2. This solenoid controls the length of intake runners to optimize engine performance.
Can I drive with a P0663 code?
Yes, but you may notice reduced power, poor fuel economy, or rough idling. It's best to diagnose and fix promptly to avoid further issues.
Is P0663 the same as P0660?
No. P0660 refers to bank 1, while P0663 refers to bank 2. On V6/V8 engines, bank 2 is typically the side without cylinder #1.
How much does it cost to fix P0663?
DIY cost is around $30-80 for a solenoid. Professional repair could range from $150 to $300 including labor.
What other codes often appear with P0663?
Common companion codes include P0660 (bank 1 circuit), P0661/P0662 (performance/range issues), or vacuum leak-related codes.

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