Question about 2005 Buick Rendezvous

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05 buick rendezvous ultra reduced engine power light comes on Have had TCM replaced along with RT and Left hub sensor. what is wrong now

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Posted on Jan 02, 2017

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SOURCE: 2002 Buick Rendezvous Error

I have had simlar issues. The first thing to try is to diconnect the positive lead from teh battery. Be careful as there are some issuesd surrounding OEM batteries in the 02. after about 30 secs reconnect the cable. This will "reset" your system and if it is just a glitch, the problem should be gone. If this does not fix the problem it is most likely your intrument cluster, however it can also be the BCM (Body Control Module). Have a dealer check it out for you. Before you buy a replacment part from the dealer chaeck out the prices at or Rock Auto, both saved me 50% or more when I needed to have these items replaced.

Posted on Sep 23, 2008

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SOURCE: O2 sensors on 2002 buick rendezvous

hi im wes the o2 sensor is always in the exaust newer buicks have one before the converter (sometimes in the exaust manifold) one after the converter if it has duall exaust it could have four
left bank sensor one is before the converter on drivers side bank two sensor 2 would be passanger side after the converter does this help?

Posted on Mar 12, 2009

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SOURCE: What is cost to repair transmission and transfer

I just did this job on one of these at my shop and I charged 1600

Posted on Jul 09, 2010

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SOURCE: how to replace a 2002 buick rendezvous o2 sensor

You can see, but not reach the before cat sensor from underneath. To get it out, I did it from the top. Remove the 3 ignition coils (2 plug wires each) and ignition control module (this is the part that the coils plug into). You'll have to follow the O2 sensor wire to find it (you'll be working blind). Use the special deep well socket to remove it. There's not a lot of room to turn the wrench and it's difficult to get leverage to turn the sensor out. I put a 3' length of conduit over the handle of my 3/8" ratchet, as there wasn't enough room to get a breaker bar in there. Once you get the old one out it should be smooth sailing. Make sure you follow the directions and use anti-seize. After you get it installed you'll have to clear the code to get the check engine light to turn off. I went to my friendly Advance Auto store and used their scan tool, but I've read that you can also clear it by disconnecting the battery for 5 minutes and turning your headlight switch on.

Posted on Oct 30, 2011

  • 13 Answers


Most probably some ignition cable to the spark plugs.

Posted on Jan 29, 2012

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Why did the reduced engine power and service traction light come on. The car can be started then looses power and stalls out.

When the check engine light comes on it disables other module features as a safety issue. The reduced engine power light is normally caused by a defective throttle actuator motor assembly. In some instances, it can also be caused by a defective gas pedal sensor as well. In my experience, the throttle actuator motor is the most common repair

Jan 05, 2016 | 2007 Buick Rendezvous CXL SUV

2 Answers


Buick Rendezvous Service Traction system and Anti-Lock warning ... > Buick > Buick Rendezvous
Jul 15, 2007 - 31 posts - ‎19 authors See Also: Buick Rendezvous FIX Trac Off ABS warning light DTC sensor hub wheel.... For the service traction,ABS,AWD lights it may be a wheel speed sensor (also .... I drive a 2004 Buick Rendezvous with about 120K miles.Missing: atl

Sep 12, 2015 | 2004 Buick Rendezvous

1 Answer

How do i find crank shaft sensor on my 2005 Buick rendezvous ultra 3.6 liter engine?

Could be on the bell housing gear box area or front harmonic balancer?

Feb 21, 2015 | 2005 Buick Rendezvous Ultra

1 Answer

Where do I plug in to test rt rear speed sensor wires on 2003 buick rendezvous

Remove the rear right wss and measure the resistance BTW the terminal of the connector 2-1,its should be BTW 0.6-2.5 ohms,terminal 1 and body ground BTW 1 ohm.if it does not meet up,replace the sensor

May 05, 2014 | 2003 Buick Rendezvous

1 Answer

Rear Wheel Spinning 2004 Buick Rendezvous Ultra

the automotive shop that supposedly fixed it. find a new one. or maybe your wheel speed sensor got broken in the process

Jan 24, 2018 | 2004 Buick Rendezvous

2 Answers

Why is my awd disabled light and abs light comming on?

Most common repair to solve the AWD Disable light problem is replace flow valve on the rear differential and also replace 4 pints of VersaTrak at the same time. (I'm a retired GM engineer.)

Jul 04, 2012 | 2005 Buick Rendezvous

1 Answer

The Service traction system, abs and anti lock warning lights keep coming on. I just had 2 oxygen sensors and a wheel hub unit put in. What could be causing this problem?

When the wheel hub was put back in did they omit to connect the wheel speed sensor? The ECU continuously monitors with sensors the speed of the wheel rotation and compares this with the transmission speed. Any disagreement due to wheel spin results in power redistribution to those wheels with traction. If all drive wheels spin and get out of sync with the transmission then the ECU limits the power output from the engine until traction is resumed. Likewise when braking a locked wheel has the brake pressure reduced until minor rotation is again resumed. A missing wheel sensor will cause a failure of both the traction control and the anti-lock braking system

Aug 18, 2010 | 2002 Buick Rendezvous

2 Answers

Awd disabled light and anti-lock light is constantly on. i have purchased traction control sensor. I need to know if this is the fix and where it is located.

On my 2006 Montana AWD I had this same problem. It also disabled the auto start. There are 4 sensors, one on each wheel hub so either you can hear what sounds like a bad bearing while driving and locate it that way or you can have it hooked up to a diagnostic computar which should also tell you which one is bad. On the 06' the sensor and wheel hub are sold as one piece. Since owning this vehicle I have had to replace three hub assembles which do actually fix the problem till the next one fails. I have found this to be a common problem.

Aug 12, 2010 | 2003 Buick Rendezvous

2 Answers

ABS and Traction light on after replacing pass

Had same problem , Replaced hub speed sensor wire to that wheel and it took care of problem, Got it on Ebay for $17,95 have to splice wires but simple job.

Mar 09, 2010 | 2002 Buick Rendezvous

3 Answers

Buick rendevousz headaches

I own the 2002 Buick Rendezvous CX and I've encountered the same problems listed here. The ABS / Traction Control Lamp stays on and was throwing a code for the left wheel speed sensor as well as an anti-lock brake code (both in the wheel bearing hub assembly). I replaced the left and right front wheel hub assembly yet this did not eliminate the abs codes. 
Ultimately, I traced this problem to a break in the wire that leads to the left hub assembly. Although the sensor was properly connected, the wire (which is encased in a plastic housing) was broken. This is the wiring which leads from the abs wiring harness under the hood down to the left wheel abs sensor. 
I would suggest that you simply remove the left wheel and inspect the wire that leads to the abs sensor (there is only one wire on each wheel). Mine literally fell apart when I removed the plastic housing around the wire. I spliced the wire together and put it back in the plastic housing. After this, my abs codes disappeared and my anti-lock brakes began working again!
This is a simple fix that many people spend $1000 + on by replacing the hub assembly which does not fix the problem.

Aug 20, 2008 | 2002 Buick Rendezvous

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