Code result
P0640
Intake Air Heater Control Circuit
Moderate severity
What it means
A general circuit fault on the intake air heater control - the ECU cannot drive the grid heater at cold-start.
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
Open in heater or wiring
highOne of the most commonly reported causes for this code — check this first.
Related help
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