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Fault code p2100

Check engine lights up on dash. New moter home 62 plate

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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have a 2003 dakota v6 and was informed by a friend that works at a dealer of issue concernig this . reciently my check engine light came on and was told when codes where checked to look under drivers side of truck along frame to the charcoal box . the center hose that goes into the box has a tendancy to crack at the end going into the box cut about an inch off of the hose if able to do so heat the hose up with a head gun or other means reconect the hose and disconnect the battery for about 10 min for computer to reset and wait if after a week light dosent come on your fixed if it dose your screwed

Posted on Mar 21, 2009

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SOURCE: 1998 honda accord check engine light on code p0141


Posted on Jun 09, 2009

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SOURCE: check engine light code came up p2101 throttle

There is either a high or low circuit problem with the motor. The ecm, or called the computor, moniters the cuircuit for the motor.
The best thing to do is have the control motor checked and the ecm. One of them is bad.

Posted on Feb 02, 2010

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SOURCE: 2006 Toyota RAV4, 3.5L V6 Check engine

I am having a multiple cylinder misfire on my 2006 Toyota RAV4 with the 3.5L V6. Every cylinder is reporting a mifire. Each cylinder has it's own coil. I highly doubt that all 6 coils went bad at once. Does anyone have any idea what my be causing this?? Is that the problem you two are having?

Posted on Mar 09, 2010

  • 1 Answer


fault code:po234

Posted on May 09, 2010

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Working on 2003 Lincoln LS 3.0. code p2110; p2107. Customer replaced throttle body

P2110 - Throttle Actuator Control System - Forced Limited RPM. Throttle actuator control system is in FMEM mode of forced limited RPM.
  • PCM damaged
  • Cross wired TACM motor
DTC indicates only that FMEM condition exists, and can be set incombination with DTCS P2100, P2101, or P2107, meaning the ETB faults should be repaired first.
P2107 - Throttle Actuator Control Motor Processor. The ETC control area of the PCM failed self test. Fault could be the result of an incorrect TP command, or the TACM wires shorted together.
  • TACM wire shorted together
  • TACM circuit wires shorted to pwr
  • PCM damaged
  • ETB damaged
An (TACM) circuit PID reading may indicate a fault if available
  • Remove ETC motor harness connector.
  • Measure the resistance between the TACM + and TACM - pins, through the motor.
Is the resistance less than .8 ohms, or greater than 1000 ohms?
Yes No Replace Throttle body assembly. note: Clear DTCS and rerun self test, if DTCS (P2100, P2106, P2112), or (P2100, P2106, P2111, P2112) are output GO to DV22 , for (P2100, P2106, P2107) GO to DV23 , and for (P2100, P2106, P2107, P2111, P2112) GO to DV24 , and for DTCS (P2101, P2106, P2110, P2111, P2112) GO to DV25 . GO to DV22 . DV22 CHECK ETC MOTOR HARNESS FOR OPEN
  • Remove PCM harness connector.
  • Measure the resistance of the TACM+ circuit between the PCM and TACM harness connectors.
  • Measure the resistance of the TACM- circuit between the PCM and TACM harness connectors.
Is the resistance less than 5 ohms?
  • Measure the resistance between the TACM + pin and battery gnd.
  • Measure the resistance between the TACM - pin and battery gnd.
  • Measure the resistance between the TACM + pin and battery pwr.
  • Measure the resistance between the TACM - pin and battery pwr.
  • Measure the resistance between the TACM + pin and ETCRTN.
  • Measure the resistance between the TACM - pin and ETCRTN.
  • Measure the resistance between the TACM + pin and ETCREF.
  • Measure the resistance between the TACM - pin and ETCREF.
Are both resistances greater than 10K ohms?
Yes No GO to DV24 , for P2101, GO to DV25 . Isolate and repair short circuit. DV24 CHECK ETC MOTOR HARNESS FOR CIRCUITS SHORTED TOGETHER
  • Measure the resistance between the TACM + pin and TACM- pin.
Is the resistance greater than 10K ohms?
Yes No GO to DV25 . Isolate and repair short circuit. DV25 CHECK FOR CROSSWIRED ETC MOTOR HARNESS
  • Measure the resistance between the TACM + pin and TACM- pin.
Is the resistance greater than 10K ohms?
Yes No GO to DV26 . Properly wire the TACM per TACM and PCM connector diagrams. DV26 SELF TEST VEHICLE
  • Key On Engine Off.
  • Clear DTCS.
  • Cycle accelerator pedal to the floor and back several times.
  • Self Test vehicle noting any DTCS.
Were there any DTCS related to the ETC system?
Yes No Intermittent fault, GO to Z1 Replace PCM.

Oct 13, 2017 | Lincoln Cars & Trucks

1 Answer

Check engine light came on then reduce engine power

When this light comes on it means the computer control module has detected a fault in the system, it has reduced power to avoid any damage to the engine or transmission. You must now have the computer scanned for fault codes, this is done through the diagnostic connector under the dash see photo below.

Sep 26, 2016 | 2006 Chevrolet Malibu

1 Answer

Fiat dtilo 1.6 16v 54 plate..Got a flashing engine sign on dash.comes up check engine

You have a fault in the engine control system, the computer turned on the light to alert you to this. You must now have it scanned for the fault code(s) that are stored when the light is turned on.

Sep 01, 2016 | Fiat Stilo Cars & Trucks

1 Answer


P2100 - H bridge error "A fault has been detected on the circuit connecting the electronic throttle body motor and the PCM. Check for any other non-electronic accelerator control related DTCs and rectify them first. Check area "B" (see system overview) and if no failure is found, install a new PCM". Ford Workshop Manuals

Feb 25, 2015 | Ford Fiesta Cars & Trucks

1 Answer

Picture of a moter on my light board book says its something to do with emissions

It looks like an engine. This is the check engine light. Have the codes read. Re post and we can help. Keep driving and your car could stop running or moving.

Dec 28, 2014 | 2007 Honda Pilot

1 Answer

2005 focus 1.6 limp mode problem and P2100 code

Try clearing the code from the computer. If it returns again, the second hand one could be bad also! Some codes are what they call a hard code, that stays in the computer memory, and will think that the problem wasn't repaired (even though the part was replaced). Till the code is cleared from the memory, the vehicle will return to a limp mode untill the problem is resolved!!

Apr 18, 2014 | 2005 Ford Focus 1.6

1 Answer

Golf 06 plate , got fault code p2100 and p2102

P2100 - Throttle valve control motor open circuit.
p2102 - Throttle valve control motor signal too small
look at your throttle valve control motor and see if it is either burnt out or the wires are off.

Aug 11, 2012 | Volkswagen Microbus Cars & Trucks

1 Answer

I have a jaguar 3 litre v6 x type 51 plate with an engine warning light on dash the car seems to b driving fine wot cud this be ?

The engine light shows a fault has occurred. The recorded fault will be visible if you have the codes read. One of the most common faults is the MAF (mass air flow sensor) this sometimes shows a wrong reading and logs as a fault, The light may go back out after the engine has completed another self check - if there is no ongoing fault. Get the codes read to be sure. .............. hope this helps

Jan 31, 2011 | 2002 Jaguar S-Type

1 Answer

I just bought a 1999 Saab 9-5 v6 and the check engine light came on yesterday and today on the way home from work my dash lights went out?????

Hi, this sounds like a voltage issue to me. Did all the lights go out on the dash, including the check engine light. Your best bet is to get the fault codes read at a local garage (not the main dealer unless you have money to burn). They should be able to give you indication of what caused the light to come on and you can take it from there.

Dec 19, 2009 | 1999 Saab 9-5

1 Answer

1991 5th ave fault code 62

62 is basically a failed attempt to update service reminder indicator miles in the PCM memory.(eeprom) So you won't get a service reminder, wouldn't bother me, especially if no light on or anything. perhaps dealer could store it, but why bother?

Jun 10, 2009 | 1991 Chrysler Imperial

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