P0444
Low SeverityEVAP Purge Control Valve Circuit Open
EVAP System
P0444 — Instant Answer
EVAP Purge Control Valve Circuit Open
Severity: LOW SEVERITY
Meaning: Open circuit in the purge valve wiring or the valve solenoid.
Safe to drive? Usually yes with caution, but confirm root cause before long trips.
Estimated repair cost: $15 - $50
Most common causes:
- 1. Open purge valve coil (35-45% of cases)
- 2. Disconnected connector (10-25% of cases)
- 3. Broken wire (10-25% of cases)
Common Causes
How to Diagnose P0444
- 1Check connector
- 2Measure coil resistance
- 3Check wiring continuity
OEM Procedures for P0444
P0444 affects the Charcoal Canister. Found 2 OEM service manual procedures.
Charcoal Canister - Replacement (ES300)
Charcoal Canister - Replacement (ES300)
Charcoal Canister - Replacement (ES300)
Charcoal Canister - Replacement (ES300)
Charcoal Canister - Replacement (ES300)
Charcoal Canister - Replacement (ES300)
Charcoal Canister - Replacement (ES300)
Charcoal Canister - Replacement (ES300)
OEM Diagnostic Flowchart
Scroll to load technician if/then branches.
Read live data and freeze frame for P0444 to pinpoint the cause before buying parts.

TopScan
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DIYers who want phone-based scanning
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ArtiLink600
$99
DIYers working on ABS/airbag systems
View on TOPDONGot a repair estimate for P0444? Check if the quote is fair before ordering parts.
Parts & Tools for This Job
Common parts shoppers buy for P0444 EVAP Purge Control Valve Circuit Open.
Oxygen Sensor
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Catalytic Converter
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EVAP Purge Valve
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Gas Cap
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Turn This Into a Confident Next Step
Verify the likely fault first, then compare a quote before you approve expensive work.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
View factory recommended tools
OBD2 scanner
Read codes and freeze-frame data before you guess at the fault.
Most diagnostic jobs start with a scan tool and a verified code path.
Check SpecificationsBattery tester
Check cranking and charging health before replacing expensive parts.
A weak battery can mimic alternator or starter problems.
Check SpecificationsMultimeter kit
Confirm voltage, continuity, and sensor power with one simple kit.
A meter is the cheapest way to rule out a bad circuit fast.
Check SpecificationsRelated Resources
Repair guides, symptom pages, and wiring diagrams related to P0444.
OEM Manual Evidence
Browse →Diagnostic Trouble Codes (DTC) Index — 2013 Audi A3 Premium, 2.0L Eng VIN E, Automatic DCT Trans Service Manual ~ LEMON Manuals LEMON Manua...
Diagnostic Trouble Codes (DTC) Index — 2013 Audi A3 Premium, 2.0L Eng VIN E, Automatic DCT Trans Service Manual ~ LEMON Manuals LEMON Manua...
Diagnostic Trouble Codes (DTC) Index — 2013 Audi A3 Premium, 2.0L Eng VIN E, Standard Trans Service Manual ~ LEMON Manuals LEMON Manuals: R...
Diagnostic Trouble Codes (DTC) Index — 2013 Audi A3 Premium, 2.0L Eng VIN E, Standard Trans Service Manual ~ LEMON Manuals LEMON Manuals: R...
Related Symptoms
Browse →Exact Vehicle Hubs
Browse →Open the exact vehicle hub grounded by OEM manual evidence related to P0444.
Open the exact vehicle hub grounded by OEM manual evidence related to P0444.
Related Codes
Frequently Asked Questions
- What does open circuit mean?
- It means there is a break in the electrical path — either the valve coil burned out or a wire is disconnected.
- Is this the same fix as P0443?
- Yes — same valve, same replacement. P0444 just specifies the type of fault (open circuit).
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Author & Review
Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.
Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.
Last updated: 2026-10-29
