Code result
P2DA7
Coolant Heater A Control Module System Voltage
Moderate severity
What it means
The system voltage feedback of the coolant heater A control module is outside the expected window.
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
System voltage drifted
highOne of the most commonly reported causes for this code — check this first.
Feedback wire fault
mediumA plausible cause — test and verify before replacing parts.
Related help
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