"some 2006-2008 my Is250/350 vehicles may exhibit a srs light "on" condition with dtc b1861," Lexus did not issue a recall, as they claim they did not have enough customer complaints, and covered it under the Lexus restraint system warranty for 72 months or 70,000 miles, and only if brought to their attention by the owner of the car. "r&r instrument panel wire harness" the exposed wire would then ground out on the frame, and the airbags and seat belts would be inoperable in the event of a collision. Upon inspection and my own investigation, I determined that Lexus was aware of the airbags not working in 2008 when a Lexus service information bulletin was issued on (l-sb-0167-08) for the supplemental restraint systems stating that this was a problem in the 2006 - 2008 Is250 and is350, and the issue was poor wiring insulation that would come unraveled under the dash. The dealer determined that there was a short in the airbag wiring harness, and they claimed they did not do it. I never left the lot and was put in another car.
Note: they confirmed it was not on upon initial inspection. When I picked up the car, the airbag light was on. My 2006 Lexus is 250 awd was at a local dealership for additional recall work, and other maintenance. From what I've found on the internet its a common complaint for all 2006-2008 Lexus is 250 and 350 models. Lexus redesigned the harness and gave it the same part number as the original. How is it safe to drive a vehicle with no safety system? the problem is a wiring harness was designed too short so it puts tension on it causing the harness to break tripping the light (manufacturing defect). The service manager stated that with the light on the entire srs system is completely disabled in the event of a crash, no air bags or seat belt pre-tensioners will activate. I called Lexus corporate and they are only willing to cover half the part cost. My vehicle is well under the mileage but it out of warranty by time (10 months). The fix falls under the restraint system warranty of 72 months or 70,000 miles whichever comes first.
The recommendation is to remove and replace the instrument panel harness.
AER BAG CLAMS LEXUS DRIVER
The diagnostic pulled code b1861- open circuit in the knee airbag on driver side squib circuit which is the exact code for the TSB. I found the TSB ( l-sb-0167-08) myself on the internet and I took vehicle into local dealership the next day. The srs air bag light came on indicating a problem with the vehicle air bags. I am concern and my car had no problems with lights on the dash about air bags before the service of the car was done (). 00 dollars for the job arguing that even though the car presents the same code again, what is damaged has nothing to do with the air bag and it is the wiring of the electric panel. The dealer said the code b1861 came out again, but they insist to charge me 2, 900. The light of air bags continue to be on after they work with the car.
I said to the job since they were working with the doors and dash already. I took the car to the dealer to fix that and they told me that it had a recall for the air bags. They changed it finally, but it was happening again this year. My car continued with problems of the dash getting melted. Supposedly, they fixed the electrical problem. The dealer doing the job sent the car to the Lexus dealer again. Lights stopped working and one of the fog lights broke (exploded). Car was sent to dealer a couple of times for electrical problem caused when the front of the car was updated to 2012 front. I was never informed that there was a dangerous problem with the air bags. Dealer told that a code b1861 showed, system was resettled by dealer and the code didn't duplicate for diagnostic. The car has been sent to check since last year for instability when driven and the air bag light on.
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