Code result
P23A5
Exhaust Heat Exchanger Bypass Valve B Control Performance
Moderate severity
What it means
Exhaust Heat Exchanger Bypass Valve B Control Performance: the component is electrically intact but its response does not match the command.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Flap stuck due to soot or carbon
highOne of the most commonly reported causes for this code — check this first.
Related help
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