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I have been hearing a random chirping sound under the driver side dash for some time. I have recording the sound and taken it to a Lexus dealer and they don't have a clue regarding cause. It makes the sound with or without the air conditioner working. Sound is a very short chirping or beep type noise. It been occurring for some time and other than the annoyance doesn't seem to have any affect on functionality of any systems. Anyone have any thoughts regarding the cause of this noise?
2 Replies
Just to humor a very long time ago repair, make sure nothing in the engine compartment is touching the firewall.
Did you ever find the answer to this issue? I have the same problem on an 02.