B1947 code meaning, causes and symptoms
B1947 means climate control a / c post evaporator sensor circuit short to ground.
B1947 code meaning is one of the most common OBD-II searches when a warning light appears on the dashboard.
Drivers searching for B1947 usually want to know what the code means, whether the car is safe to drive and what part may need testing first.
Because B1947 can appear on multiple makes and models, it is important to combine the code meaning with live data, symptoms and any other stored faults.
A proper diagnosis for B1947 should normally include a scan tool check, freeze-frame review and inspection of the components related to climate control a / c post evaporator sensor circuit short to ground.
Severity: Low to Medium
Driving advice: The vehicle often still drives normally, but the issue should still be repaired because it can affect emissions and trigger repeated warning lights.
FAQs
What does B1947 mean?
B1947 means climate control a / c post evaporator sensor circuit short to ground.
What can cause B1947?
Causes can include failed components, wiring faults, leaks, pressure issues, bad readings or another upstream fault affecting the same system.
Is B1947 serious?
Severity depends on how the vehicle is behaving and what system is affected. Some codes are minor, while others can affect engine performance, emissions or drivability.