B1466 code meaning, causes and symptoms
B1466 means wiper hi / low speed not switching.
B1466 code meaning is one of the most common OBD-II searches when a warning light appears on the dashboard.
Drivers searching for B1466 usually want to know what the code means, whether the car is safe to drive and what part may need testing first.
Because B1466 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 B1466 should normally include a scan tool check, freeze-frame review and inspection of the components related to wiper hi / low speed not switching.
Severity: Medium
Driving advice: Whether you can keep driving depends on how the vehicle is behaving. If there is rough running, loss of power, overheating or stalling, diagnose it as soon as possible.
FAQs
What does B1466 mean?
B1466 means wiper hi / low speed not switching.
What can cause B1466?
Causes can include failed components, wiring faults, leaks, pressure issues, bad readings or another upstream fault affecting the same system.
Is B1466 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.