U2107

Engine control module (ECM)/multifunction control module communication, CAN data bus - malfunction

DTC U2107, sometimes indicated as U210700 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle user network.

  • U2107 00: Engine control module (ECM)/multifunction control module communication, CAN data bus - malfunction

See Also: Related Error Codes
DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • SSM 52246 - EQUIPMENT:ELECTRICAL
    FORD: Some 2023 escape vehicles may exhibit a front camera fault and/or pre-collision assist fault message displayed in the instrumental panel cluster (ipc) with diagnostic trouble codes (dtcs) C1001:78 and U2107:68 stored in the image processing
  • TSB 22-2295 - EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
    LINCOLN: Some 2021-2022 f-150, mustang mach-e and 2022 expedition/navigator vehicles may exhibit various driver assistance system warning messages or inoperative features and/or diagnostic trouble codes (dtc) U3000:49, U3000:89, U2107:68, C1001:54 a
  • TSB 21-2249 - ELECTRICAL SYSTEM
    FORD: Some 2021 f-150 and mustang mach-e vehicles may exhibit various driver assistance system warning messages or inoperative features and/or diagnostic trouble codes (dtc) U3000:49, U3000:89, U2107:68, C1001:54 and/or C1001:78. This may be due
  • 070232007 - STEERING
    CHEVROLET: Diagnostic tips for power steering inoperative/steering wheel hard to turn, power steering message displayed on dic, dtc's C0176, C0176, C0475, C0476, C0550, U2105, U2107 set. *nj updated 2/17/10. *pe updated 3
Consumer Complaints for this DTC



9999 CONSOLIDATED CONSOLIDATED with 34600.0 miles

The incident date below was the fifth time this has occurred. First noticed traction control and power steering light coming on-the car "bucks" and power steering is lost-several times car will lose power and have to be restart. After restart warning lights will go away and power steering returns. Seems to come back to normal after restart, runs ok until the process starts again. The car was purchased may 08 and first incident was aug 15 2008-took to dealer and they reset the computer, second and third time the car seemed ok until the 4th incident and returned to dealer again and reset again. I was told that the computer codes were showing U2105 and U2100 U2107 and car returned. This last incident (12-11-08) the car was doing the same thing and drove right to dealer to show service what the car was doing. They claimed the car is equipped with electric steering column and it disengages from the computer and the steering column needed to be replaced and a computer module. Gave them permission to correct this because i can't let my son drive a car knowing at anytime he will lose power steering. He has been lucky he was traveling at low speeds when this occurs. If he was on a highway and in front of a tractor trailer and lost power he might be killed because he would lose ps and stall. This is a safety-related defect in the vehicle equipment (electric power steering column) when at any time with no warning you can lose your steering, stall and/or buck. Upon further research into the 2005 cobalt, i have found 805 complaints regarding the steering column and the problems of controlling the car when this happens. Upon further research the malibu is having the same issues with steering. Guess what kind of steering is in the malibu. Check "www.Aboutautomobile.Com" for complaints regarding steering column. Several people have described incidents where their safety was compromised. Please help gm rep claims can't recall column without you. Please help
EQUIPMENT, STEERING



2006 CHEVROLET COBALT with 64000.0 miles

Last aug 2009 i was living my drive way and they steer wheel got stuck and i got trapped between my trees. I didn't know what happen so i just assumed it was me being a bad driver. Two weeks ago i was driving in a street and the bell in the computer start ringing and gave me a message "power steer" then the steer while got stuck again. I didn't know what to do so i stop and called a towing truck to get my car and take it to my mechanic. My mechanic kept it for a day and said that Cobalts 2006 and 2007 have this problem the computer does not communicate with the engine and that's what happen. I called general motors and they asked me how many miles i had in the car which is 64,000 and then they told me i had to take it to one of his dealer shops to make sure. I told the lady to be sure they were going to consider this because i have to pay and then they will decide if it was a safety issue. I did pay a lot of money and they say -you are not under guarantee- i got mad because they knew since the beginning how many miles i had. Now if i turn left or right the steer wheel get stuck so i have to stop and turn off the car. After that i can drive ok. Is always dangerous if i'm in a busy street or highway. To repair they want $1,000.00 that i don't have. The lady who "helped" me her name is mariana jimenez and she told the they are going to pay for a gas leak that i had in this year too. Because that is a re-call. She said she will send the papers to get reimburse but she never did. The case number for the problem i have now from general motors is 71759207211. They are only recognizing the problem with the gas leaking because that was a "safety issue" how is not a safety issue driving and the steer wheel gets stuck? So my complain is for the gas leaking that i pay myself and didn't get reimburse and the current problem. The Chevrolet shop wrote this in the invoice i paid "performed diag system check-U2107/U2100/co475 stored in pscm silate to internal pscm motor failure".
FUEL SYSTEM, GASOLINE, STEERING ELECTRONIC STABILITY CONTROL



2005 CHEVROLET CORVETTE

Continued problem with service active handling, service traction control, service, and other system failures due to electrical system. The last time i had this problem, two weeks ago, the following codes were detected. U2100 U2105 U2107 U2108 even after i had the recall repaired, january 20, 2011, i am still having this problem. The recall itself is not fixing the problem, either. My two biggest concerns are: 1st - the safety recall is not fixing the problem and therefore, the safety issue remains. 2nd - fraud that gm is committing through the dealerships. People have taken their vehicle in to their dealerships for this same problem over and over and are being charged a fee to attempt to fix the problem, but the problem is not getting fixed. That is the root problem causing this issue. I am one of the lucky few where my warranty is covering the cost, but it is not right for gm and/or their dealerships to charge customers a fee to repair a problem they, (gm) knows exists. And, the recall is not the fix all as gm wants it to be. If this section is not in your area, please forward this part to whomever or whatever office that can address this issue, fraud. If i had the means to file a class action law suit, i would. Not for compensation, but to force gm to fix an existing problem they know is a real problem. And, stop them from ripping off customer's who bought their product. Updated 02/14/11 *bf
ELECTRICAL SYSTEM,



2005 CHEVROLET COBALT with 68000.0 miles

The 2005 chevy Cobalt, as well as possibly every other model year Cobalt has more problems than just the power steering motor failures. The speedometer no longer works in my vehicle, the low-fuel warning pops up no matter how much gas is in the car, the engine warning light illuminates, as well as the anti-theft light, battery light (the battery is brand new) and just about every light on the dashboard. Though this isn't a big problem, the radio locks itself and cannot be used until the car is turned off and turned back on. The car struggles to get out of first gear and has stalled repeatedly at red lights and on ramps to the highway. I have had the power steering recall repair done twice and when i took the car back to the dealership in may because the power steering warning had popped up again and the power steering stopped working, they said it was not the power steering and they sent me home in my stalling, jumping car with no power steering. Speaking to a chevy customer service representative, they told me to go have the car diagnosed (they did run a scan at the dealership and came up with codes U2107, U2100 and U2105) and that i should be responsible for the cost. I asked why they didn't suggest this at the dealership, and was never given an answer other than a repeated i should be held responsible and it's probably a bad ecm or bcm. The car is out of warranty and chevy offered 50% of the repair cost, but how is this a problem that i caused and should be responsible for at all? This car is incredibly unsafe to drive and i have read a number of similar complaints for this vehicle online. Gm must be held responsible for their faulty vehicles. The power steering recall did not take care of everyone's problems and the customers should not be held responsible for the manufacturer's failure.
STEERING, ELECTRICAL SYSTEM

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