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What does this code mean p1891? - 2008 Ford Explorer

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1995 dodge Dakota code 55? Code 12?


Code 12 means that the battery input to the PCM was disconnected within the last 50 key cycles (this is a normal condition).
Code 55 means that you have reached the end of the codes. This is also normal

So if you have a 12, 55 code readout, you basically have no error codes stored.

Here is a link that lists the code sand what they mean.

OBD 1 Codes DodgeForum com

Oct 22, 2015 | Dodge Cars & Trucks

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Lincoln2004 aviator check engine light is on code read 420 what does that mean


I couldn't find engine code for 420 but may be body code take to AutoZone for free test and code meaning

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Service engine soon light is on, and the codes its giving are f110p and 1891p


P1891 20500 System Voltage High Input
This fault sets when the alternator is failing. But instead of failing where the voltage is too low it is too high. This is just as bad if not worse than too low. Your 7 series is full of computers and when they see this high voltage they start to go into failsafe to protect themselves. The overvoltage could even cause modules(computers) to fail.
Some modules very effected by this is the DSC control unit, EGS Transmission control unit. This type of problem will come and go due to the alternator is intermittently overcharging.
Now there MIGHT be other things going on but it ALWAYS is a bad alternator with the overvoltage fault in my experience. This alternator is a bit hard to do so I do recommend having the dealer replace it. Make sure you tell them about the overvoltage and even this post as most tech's easily overlook this fault and go chasing the "failsafe" problem and never stop to look at the big picture --system voltage.
I hope this information is helpful. Please accept and let me know if I can help you further.Thank you.

Jun 25, 2014 | 2004 BMW 745i

1 Answer

Engine codes for a 1998 plymouth voyager


okay, 1998 voyager these are not obd2 codes, these are genric codes, you used ignition to get these .
these codes are for older models that use codes like these 12 35.
the newwer obd 2 use codes like po 013. i will try to see what i can find, also the engine size is important.

okay here we go, the first code is 12, this code means the battery was dead or dissconnected.
the next code 35. this code means loss of prime, code # 11
means internal transmission failure.
the code 55 means gear ratio error.

these codes would tell me that you have transmission problems. this may mean internal trans failure and a rebuild or replacement transmission is needed or shift pack needs replacing. anyhow i would have a shop check this out, these van are known for transmission problems. hope this is helpful good day

Feb 03, 2013 | Plymouth Voyager Cars & Trucks

2 Answers

What do the codes P1684 and P0700 mean?


Hi Rich Stuck,P0700 means Transmission Control System (MIL Request),P1684 means Battery Disconnected within last 50 starts.More read Diagnostic Trouble Code Table ,hope it can help you.

Dec 08, 2012 | 2002 Chrysler PT Cruiser

1 Answer

What's (mil requested) mean?


P0700 means transmission control fault detected,either it is mechanical or electrical.This code is a generic code,you will need a enhanced code that mean a manufacture scantool or a scan tool that can read enhance code.

Mar 28, 2012 | Cars & Trucks

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What does code P1405 mean ?


p1405 is a egr code (upstream hose off or pluged)

May 04, 2010 | 2000 Mercury Sable

1 Answer

04 745 bmw with dtc codes 29a8,2863, 2862, 2865, 28d7 and generic p1058, p1055, p1062 and p1891


you should probably take it to a bmw dealership or other qualified shop

Sep 23, 2009 | 2006 BMW 750Li

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03 dodge durango trouble code "p done" appeared where the milage is displayed, what does it mean?


"P done" means there are no codes stored. If there were codes you would see P and 4 numbers.

May 27, 2009 | 2003 Dodge Durango

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