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How to reset/fix B2100 Code in 2007 jeep commander

B2100 code. this is a bumm code ( P2100 cry) B2100 low battery.
three is no b2001 in the 7000 pages, just looked,

well what if its real and dont want to reset.?
yes, we do that, and see if t comes back. as most do.
the answer is same on all cars 1996 to now, heck back to 93 in fact.
answered 100s of time, here goes again.
  1. press the reset button in the OBD2 scan tool, works 93 to 2016 all cars, in usa.
  2. pull the cars battery neg lug for 5min., the can have the bad effect of losing all programming on radio, nav, and things. mirro loc, seat memory, on and on an on, pain.
  3. or PULL the IOD fuse on PCM. fuse # PDC fuse 20 is IOD for PCM . this is the PCM memory wire, when the fuse is pulled the PCm forgets, stored error codes.
#1 always works and works best.

the free fsm covers all that. wk, jeep

i have this car so , its not new to me.

Oct 05, 2016 | Jeep Cars & Trucks

3 Answers

Why is code 91 on screen?

About 1,080,000 results (0.79 seconds) Search Results

    Chevy Cruze error code 91 - Fixya
    Jun 2, 2013 - Chevy Cruze error code 91 What is Error code 91? It appeared ... Ya i know that what is error code 91 it is that ur car key is not there & if shows error code35 then ur car remote key cell losing his power exchange with that cell & ur car is ok. Posted on ... SOURCE: chevrolet cruze 2.0 LT 163cv error. If im not ...

    Warning: Cruze Start/Stop button & Immobiliser Design Flaw ... > Forum > Indian Automotive Scene > Chevrolet > Cruze

    Apr 16, 2013 - 10 posts - ‎7 authors
    4kms later I realised that I had the Cruze key with me in my pocket ... If the key is outside the car and you try to start it, it throws a Code 91 Error ...

    Cruze error code ' Chevy Cruze Blog : Chevrolet Cruze Blog

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Feb 09, 2016 | Chevrolet Cruze Cars & Trucks

1 Answer

Check engine light is on and diagnatics show the error codes, P0722 and U2108

Definition of Diagnostic Trouble Code U2108 Buick: CAN Bus Error ABS Cadillac: CAN Bus Error ABS Chevrolet: CAN Bus Error ABS GMC: CAN Bus Error ABS Oldsmobile: CAN Bus Error ABS Pontiac: CAN Bus Error ABS Saturn: CAN Bus Error ABS

Definition of Diagnostic Trouble Code P0722 Category: Powertrain Definition: Output Speed Sensor Circuit No SignalNote: This definition of P0722 is applied to all manufacturers

Jun 27, 2015 | Cars & Trucks

1 Answer

Troublecode b2100 on a 08 town car limo

371183c3-fa1a-49ec-833d-37326ebfd652.jpgTry this it should help you

Feb 11, 2014 | Cars & Trucks

1 Answer

P0430 2005 tuscon

Check out related help links to troubleshoot these common error OBD code noticed on many brand vehicles:------
1998 GMC K1500: OBD Error Code P0430?

OBD code P0301, P0430 and P0174?

These will help.

Nov 23, 2012 | Cars & Trucks

1 Answer

I have a 2003 Ford Explorer the o/d light is blinking. I had diagnosis tested ran and came up with PO73 invorrect gear 3 ratio, PO745 Pressure control solenoid malfunction and PO745 Pressure control...

Error Code P0745
  • If the error code checker returns a P0745 code, it is indicative of a transmission issue. Error codes in the 700s refer to transmission problems. The P0745 error code refers specifically to a malfunctioning pressure control solenoid. This should be checked by a mechanic as soon as possible.

  • Read more: Ford 2002 Explorer Error Codes '

    Feb 27, 2011 | 2003 Ford Explorer

    1 Answer

    B2100= ignition run/start input circuit performance u0126= lost communication with steering u0114= lost communication with final drive output module (2times) u110a= lost communication with SCM-CAN-C ...

    no year stated, are you kidding?
    good luck fixing this. not at dealer, or a real ASE shop.
    wow, 2, does car run perfectly, gee, that be #1 right?

    can bus errors.
    what you can do is.:
    1. test all fuses.
    2. charge car battery up to 12.6vdc rested, !!!
    3. clear them all with scan tool do they come back? yes?/no?
    4. unplug battery for 1 hours, (neg lug off only) and put back
    5. fixed?
    6. unplug all modules (up to 11) 1 by one, battery unplugged. and see that connector looks clean, and put it back.
    7. or unplug one , see if some errors clear. and only module unplugged is now in error,
    8. The can-buss is shared highway, and has 1 lane. so if one module takes a dump on it, the others cant talk on said bus.
    9. That means its hard to find, unless you take a class in CAN-BUS 101. how to diagnose it.
    10. go to a real shop with ASE badge on sleeve and gray side burns, and win, a real mech, wont make excuses but In fact most shop do not have the powerful scan tool jeep has. not nearly. Find a shop that can diagnose CAN-BUS, if they go , what's that, MOVE ON !

    Dec 04, 2010 | Jeep Commander Cars & Trucks

    3 Answers

    CD disk error

    ok error code 1, look for this error code on your owners manual, toyota cd players give 3 error codes, this mean error code 1, error code 2, and error code 3, they all have different meaning please check owners manuel to see what does error 1 mean i will try looking for you

    May 26, 2009 | 2007 Toyota Camry

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