P0445
Low SeverityEVAP Purge Control Valve Circuit Shorted
EVAP System
P0445 — Instant Answer
EVAP Purge Control Valve Circuit Shorted
Severity: LOW SEVERITY
Meaning: Short circuit in the purge valve.
Safe to drive? Usually yes with caution, but confirm root cause before long trips.
Estimated repair cost: $15 - $50
Most common causes:
- 1. Shorted purge valve coil (35-45% of cases)
- 2. Short in wiring (10-25% of cases)
Common Causes
How to Diagnose P0445
- 1Measure coil resistance
- 2Check wiring for shorts
- 3Replace valve
OEM Procedures for P0445
P0445 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 P0445 to pinpoint the cause before buying parts.
TopScan
$51.27
DIYers who want phone-based scanning
View on TOPDON
ArtiLink600
$99
DIYers working on ABS/airbag systems
View on TOPDONGot a repair estimate for P0445? Check if the quote is fair before ordering parts.
Parts & Tools for This Job
Common parts shoppers buy for P0445 EVAP Purge Control Valve Circuit Shorted.
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.
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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 P0445.
OEM Manual Evidence
Browse →Diagnostic Trouble Codes (DTC) Index — 2013 Audi A6 Premium Plus Quattro, 3.0L Eng VIN G Service Manual ~ LEMON Manuals LEMON Manuals: Repa...
Diagnostic Trouble Codes (DTC) Index — 2013 Audi A6 Premium Quattro, 3.0L Eng VIN G Service Manual ~ LEMON Manuals LEMON Manuals: Repair Kn...
Diagnostic Trouble Codes (DTC) Index — 2013 Audi A6 Prestige Quattro Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagi...
Diagnostic Trouble Codes (DTC) Index — 2013 Audi A7 Premium, Eng CD CGXB Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Rei...
Related Symptoms
Browse →Exact Vehicle Hubs
Browse →Open the exact vehicle hub grounded by OEM manual evidence related to P0445.
Open the exact vehicle hub grounded by OEM manual evidence related to P0445.
Open the exact vehicle hub grounded by OEM manual evidence related to P0445.
Open the exact vehicle hub grounded by OEM manual evidence related to P0445.
Related Codes
Electrical fault in the EVAP purge valve circuit.
Open circuit in the purge valve wiring or the valve solenoid.
The EVAP purge flow is not within expected range.
Frequently Asked Questions
- Can a shorted purge valve damage the ECM?
- Unlikely but possible. The ECM has protection circuits, but a persistent short should be fixed promptly.
- How much is a purge valve?
- Typically $15-$50 for the part. Very easy DIY replacement.
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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