Code : U1409
Description : U1409 CHRYSLER Implausible Left Front Wheel Speed Signal Received
Possible causes :
– Faulty Left Front Wheel Speed Sensor
– Left Front Wheel Speed Sensor harness is open or shorted
– Left Front Wheel Speed Sensor circuit poor electrical connection
– Faulty Anti-Lock Brake System (ABS) Module
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top
Scroll to Top