OBD2 Error Code P0020: How to Fix It
Medium 1-2 hours High Severity
Verified June 2026
- Error Code
- P0020
- Brand
- OBD2
- Product Type
- automotive
- Severity
- High
- DIY Difficulty
- Medium
- Estimated Fix Time
- 1-2 hours
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Tools You'll Need
- OBD2 scanner
- Basic hand tools
- Multimeter
- Wire strippers
- Electrical tape
How to Fix Error Code P0020
-
Turn off engine and ensure safety
Never work on a hot engine. Hot components can cause severe burns. -
Connect OBD2 scanner and verify code
-
Locate Bank 2 camshaft position actuator
-
Inspect electrical connector and wiring
-
Test electrical continuity
Ensure ignition is OFF when testing electrical circuits to prevent damage to ECM. -
Check actuator operation
-
Replace faulty components
Use only OEM or high-quality aftermarket parts to ensure proper operation. -
Clear codes and test drive
Parts You May Need
Camshaft position actuator solenoid
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Electrical wiring harness
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Electrical connector
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Camshaft position actuator solenoid
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Electrical wiring harness
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Electrical connector
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Camshaft position actuator solenoid
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Electrical wiring harness
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Electrical connector
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Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
Camshaft position actuator solenoid
Check Price on Amazon
Electrical wiring harness
Check Price on Amazon
Electrical connector
Check Price on Amazon
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When to Call a Professional
Call a professional mechanic if you find internal engine timing issues, if multiple camshaft codes are present simultaneously, or if you're not comfortable working with electrical systems. Also seek professional help if the problem persists after replacing the actuator, as this may indicate ECM issues or internal engine damage.Frequently Asked Questions
What causes P0020 error code?
P0020 is typically caused by a faulty camshaft position actuator solenoid, damaged wiring harness, poor electrical connections, or rarely, a malfunctioning engine control module (ECM).
Can I drive with P0020 code?
While you may be able to drive short distances, P0020 can cause poor engine performance, reduced fuel economy, and potential engine damage if left unrepaired. Address this issue promptly to avoid more expensive repairs.
How much does it cost to fix P0020?
Repair costs typically range from $150-$400 if it's just the actuator solenoid, or $300-$800 if wiring harness replacement is needed. Professional diagnosis usually costs $100-$150.
Is P0020 the same as P0010?
No, P0020 affects Bank 2 intake camshaft while P0010 affects Bank 1 intake camshaft. However, both codes indicate similar problems with the variable valve timing system on different engine banks.
What is the difference between Bank 1 and Bank 2?
Bank 1 contains cylinder #1, while Bank 2 is the opposite side. In V6 and V8 engines, Bank 2 is typically the side that doesn't contain cylinder #1. Check your vehicle's service manual for the exact configuration.