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P0448
Overview
Code
P0448
Code Type
P
Code Class
P0
System
Engine, Emissions
Severity Level
Low
Emissions Related
true
Drivability Impact
None
Diagnostic Protocol
OBD2
Freeze Frame Useful
true
Code Definition
Diagnostic trouble code P0448 indicates a short circuit in the EVAP vent control valve
Symptoms
Check Engine Light illuminated
Overview applies to this diagnostic code.
Affected Systems
On This Page
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Code Definition
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Symptoms
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Affected Systems
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Possible Causes
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Diagnostic Steps
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Drive Safety Notes
More Resources
EVAP vent control
Possible Causes
Shorted vent valve wiring; Faulty vent valve
Diagnostic Steps
1 Inspect wiring harness; 2 Test vent valve resistance; 3 Replace valve if necessary
Drive Safety Notes
EVAP system may not vent properly
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