Question about 2007 Subaru B9 Tribeca

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What is Body Integrated Unit?

Getting the er BB error and read about vacuum pump communication with BIU. I want discuss with the dealer service tech without sounding like an idiot.

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Body integrated unit

Sounds like you are a little more knowledgeable than the average bear looking for help here. Yes, these body control modules fail without warning and there is no testing them. The only other thing you might try before shelling out the dough for a new one would be to unplug it, make sure the terminals don't look funky (it doesn't take much corrosion to stop the low voltage going through these terminals) plug it back in and see if it goes back to working (don't hold your breath but it's worth a try.

Jan 28, 2014 | Subaru Cars & Trucks

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I have a 04 dodge Durango hemi 5.7. Error code p0648- p2122- p2127- p2138. Car is idling at 10mpg. The dealer replaced the throttle body and recommended I pay them $900 bucks to replace the PCM, I replaced...

Chrysler has a service bulletin on these codes along with a software update. Contact the dealer that did the throttle body replace and ask if they did the software update. If not, have them do it. If that fixes the problem, have a little nose-to-nose discussion with the service manager about getting a partial refund on their initial diagnosis
TSB #18-029-04

Jul 07, 2017 | 2004 Dodge Durango

1 Answer

2003 Chevy S10 had fuel pump replaced. When fuel gauge shows slightly below half, the gauge falls to empty and low fuel lights blinks. What could be causing this?


sounds like the sending unit rheostat(sending unit) has a bad contact or break in the resistance wire. inside the tank theres a float attached to an arm that goes to a small rheostat, like a volume control on a stereo. the rheostat is sending a scratchy signal or no signal to the computer and your getting these readings. that part is inside the gas tank, the part usually comes integrated with the fuel pump. the gas tank has to be lowered to fix it.


Jul 04, 2017 | 2003 Chevrolet S-10

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Vacuum pump and BIU

Tribeca vacuum pump is prone to impeller failure, plastic simply cracks. Remove the pump and test it with 12volts. If it spins and draws vacuum, that is not your problem. If it works then you have to have a mechanic inspect your pressure sensor.

May 21, 2012 | 2007 Subaru B9 Tribeca

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Hi, I have 2004 Nissan Altima and Service Engine soon light is ON since last few days, today i went to AutoZone and then found Error Code P0507 So can you please suggest how to reset this light? and...

the dreaded P0507, have you had your throttle body cleaned lately? I did clean a neighbors TB while doing other maintenance things to it, and this popped up-and it was miserable getting rid of it. You have to do a 'relearn' procedure (about a million times or so, it seems) and DO NOT take it to a dealer-they will just charge you $100 and tell you to install a new throttle body (not cheap). They know this is a problem, and act like you have done something wrong for merely cleaning a dirty TB. It can and will go away if you do the 'relearn' procedure-read this post for information on how to fix it. it is just annoying but does not have to cost anything to correct. His took MONTHS to reset, but it did, and I did a lot of research on this and can assure you it is not what the dealer would have you think it is-they will try to separate you from your money for this code. read this:

Sep 05, 2011 | 2003 Nissan Altima

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06 Corolla Pressure Control Solenoid D Electrical Fault

There is a technical service bulletin to correct this condition. Replacement of the car's Electronic Control Unit (the computer) will cure this. Take it to a Toyota dealer and have them replace it for free.

Jun 07, 2009 | 2006 Toyota Corolla

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2006 subaru B9 Tribeca Error 66

Hello, I know exactly what your talking about! and why no one else did... The error code is being displayed on your trip/odo LCD screen at the bottom of your right gauge pod if I remember correctly. Only, it\'s not Er 66... it\'s (Er bb) which is a malfunction with your vacuum pump system. I truly hope this is the same concern you are asking about, if so I am happy I could help. If it is a different problem please let me know so I can look into this matter further. I\'ve added an "error chart guide" so you will have proof this time when/if you decide to return to the dealer... Good luck!! and I hope this info helps...(subytech1)...143162913

May 26, 2009 | 2008 Subaru B9 Tribeca

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What does error code 55 mean for Subaru leagcy 2005

This is a communication error with the BIU (body integrated unit). Need to take to the dealer, possible that the ECU needs to be replaced to fix this issue. It should be covered under the federal emmission wrty.

Feb 25, 2009 | 2007 Subaru Impreza Outback Sport Wagon

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