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Comments
TSB # AU001-02
Title: JBL AMPLIFIER IMPROVEMENTS
Models:'01 - '02 Sequoia
February 8, 2002
Introduction
New JBL amplifiers have been designed for the 2001 and 2002 model year Sequoia to address the following concerns:
Intermittent pop noise from the audio system when cycling the ignition key. Excessive bass even with bass controls set to "-5." Insufficient amount of sound from rear speakers.
Applicable Vehicles
2001 - 2002 model year Sequoia vehicles built before the VINs listed below.
Sequoia Front Amplifier - 5TD#####2S067029
Sequoia Rear Amplifier - 5TD#####2S077332
Also, does anyone else have the retractable rear cargo cover? It works great, but it seems nearly impossible to remove without scratching the surrounding plastic. I can't find any mention of this device in the owners manual. Any ideas?
1. To Erase.
http://www.homelink.com/program/first.html
2. Program the Garage Door Opener.
http://www.homelink.com/program/gdo.html
then:
http://www.homelink.com/program/rolling.html
I have the bass problem in my '02 that I purchased 4 weeks ago, and before I approach the dealer I'd like to be as informed as possible. And if need be, as a last resort, provide the dealer with the TSB.
Your assistance will be much appreciated.
Thanks in advance, I hope.
Any thoughts about what I should ask of them? I asked that the electrical be checked.
the tsbs? fortunately, it has been 25k miles without a problem but i want the a/c fixed just in case and the stereo problem corrected before the factory warranty expires.
i printed the tsbs showed, them to the service mgr and they just keep ignoring it.
I have seen some discussions with rotar problems and did not know if this was related.
I had the "Static Pop in Radio when shutting off ignition"
problem too. I finally got the dealer to hear it and
replace the radio, which fixed it.
BUT THE NEW RADIO SOUNDS VERY MUDDY!!! and now I know
what the others were talking about. The original
radio sounded much better and I wish I could have it back.
I have 45k miles, original brakes and tires.
However I am, and drive like, an old man.
Other stuff: the flexible handle on the lift gate
keeps breaking off.
Change oil often!!! 2 cars that need the oil
changed a lot are the Sequoia and the miata, and
I have both...
TSB # AU001-02
Title: JBL AMPLIFIER IMPROVEMENTS
Models:'01 - '02 Sequoia
February 8, 2002
Introduction
New JBL amplifiers have been designed for the 2001 and 2002 model year Sequoia to address the following concerns:
Intermittent pop noise from the audio system when cycling the ignition key. Excessive bass even with bass controls set to "-5." Insufficient amount of sound from rear speakers.
Applicable Vehicles
2001 - 2002 model year Sequoia vehicles built before the VINs listed below.
Sequoia Front Amplifier - 5TD#####2S067029
Sequoia Rear Amplifier - 5TD#####2S077332
One other thing.....the Sequoia needs an oil change NO MORE OFTEN then any other vehicle! 5000-7500 miles using Mobil 1 5W30 synthetic and a Purolator Pure 1 filter(PL10241) should keep it happy for years and miles to come.
according to the owner manual, there are 4 lock/unlock modes that are changeble by simply following the directions in the manual. i have tried several times but cant make mine change out of mode 1. any suggestions?????????
thanks
Try locking the doors, starting, switch into gear, back into park, switch the engine off (leave in "on" position though) then follow the manual's instructions immediately.
Good luck.
1. Key in ignition
2. Lock the car
3. Shift into Neutral
4. Turn ignition to 'on'
5. Shift into Park
6. Hold the door lock button down in the 'unlock' position for 5 seconds
...at which point the door locks and then unlocks...
A few other notes.
Start with the doors locked and when you depress the lock button, hold it down in the appropriate position for as close to 5 seconds as possible and then release it quickly. You will then get the obligatory "lock-unlock" and the option is set. I was able to program all options and deprogram them with no problem. Other then those items, the owners manual is correct.
Thanks!
One other observation: The clock display is very low and hard to see on our 2003 Limited. Has anybody else noticed this strange placement?
When driving at a constant moderate speed with very little or no pressure on the gas pedal--floating--and slight pressure is added/increased on the pedal, there is a thunk that sounds like it comes from a drive shaft. I described this to the dealer last March and the service department looked at it and found that there were burrs or rough spots on (and now comes the part where I get fuzzy) a drive line or other line that is connected to or a pert of the transmission. Apparently there was slippage where the line was connected to a sleeve. The service department removed the excess metal and the noise was gone.
I rarely drive the car, but I did today and I noticed that the thunk is back. It appears that the service department repaired the symptom rather than the cause of the problem.
Does anyone have any ideas?
Does anyone have info on what it best or easiest as far as tire chains or cables? Anybody have another solution out there?
Ken
Secondly, the grinding noise you're hearing is probably the TRAC system. The TRAC system still works even if the VSC system is disengaged. What this system does is to limit wheelspin. The way this does it is to apply the individual brake to the wheel that is spinning and if necessary, reduce throttle. The system uses the ABS sensors to detect wheel spin. The noises that you hear are probably the actuators applying the brakes and the throttle reduction. The control unit is under the hood, so that is probably why you're hearing the sounds from there.
Hope this helps.
Ken
P.S. You probably hear this more often when in 2wd, correct? The reason that I say this is that it is much more likely that you will have loss of traction while accelerating in 2wd mode.
let me know if others out have the same distaste for this.
Hope this helps.
Ken