Question about 2001 Hyundai Accent

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P1402 dmtl? wath is taht - 2001 Hyundai Accent

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The primary causes of inability to attain high rpm are clogged exhaust (usually a catalytic converter) and low fuel pressure. This can also be caused by a malfunctioning air flow sensor or a mistimed camshaft

Posted on Nov 13, 2009

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Posted on Jan 02, 2017

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What are the probable causes of DTCs P1402 and P1403?


Code 1402 is a problem with the DMTL motor and 1403 is the circuit for the valve.
It involves the fuel tank leak tester.

Faulty Diagnostic Module Tank Leakage (DMTL)
- Diagnostic Module Tank Leakage harness is open or shorted
- Diagnostic Module Tank Leakage circuit poor electrical connection
Read more: http://www.autocodes.com/p1403_hyundai.html#ixzz44VrYa4Tf

Mar 31, 2016 | 2002 Hyundai Accent

2 Answers

Hyundai wiring


What part/parts are you trying to wire? is it the ignition system or the complete underhood wiring harness (all wires underehood)?
What is dmtl?

Jul 08, 2014 | 2002 Hyundai Accent

1 Answer

What is dmtl


DMTL stands for Distributed Micro-Electromechanical Transmission Line, which is a Diagnostic Module.

Sep 21, 2012 | 1999 BMW 323 Series

1 Answer

I have a hyundai accent 2002. The check engine shows the error P1401 manufacturer code. Do you know what is it?


Diagnostic: "module Tank Leakage (DMTL) Failure"

Probale cause:

1) Open Or Short Circuit Condition

2) Poor Electrical Conection

3)Faulty DMTL Module Faulty



Read more: http://wiki.answers.com/Q/What_is_a_p1401_code_on_a_2002_hyundai_accent#ixzz1Ep0tl2tO Call your service dept on the phone as I have heard they dont use the code...better call dealership for free and find out. Hoped I helped you in the right direction

Feb 23, 2011 | 2002 Hyundai Accent

2 Answers

2001 hyundai accent obd 11 code p1402


Hi, can you help me, I from costa Rica, I have a Hyundai Accent 2001 Automatic GL

I have this code P1402

But i don't know when is the Leak bomb and how can I change it... can you help me with a picture or manual to how can I fix it.

Feb 19, 2010 | 2001 Hyundai Accent

1 Answer

P1402


I have had good luck in the past googleing the code with the year, make & model included in the search.

Aug 20, 2009 | 2000 Audi A6

1 Answer

CODE DTC HUNDAY ACCENT 2001


Hello there! Here is a break down of the majority of the codes you posted and an explanation.
First of al the P1402 + P1403+ P0441 are all connected.
P1402- DMTL Motor Circuit
P1403- DMTL Valve
P0441- Gross evaportive emissons leak (of the least concern of all codes)
P1402 +P1403 are both in connection with the Charcoal canister. Generally over fueling a vehicle cause these codes. Hyundai's are particular prone to this issue due to emissons control locations. Simply put a DTML is a sensor. There is 2 of these particular ones on your car. One mounted at the engine and one connected to the throttle body. Fuel more than likely has contaminated the charcoal canister. If only one of the codes were set i'd assume it was just a wiring issue. More than likely the canister and solonoid need to be replaced. Obviously checking the wiring should be done first. Corrison or a broken wire also could cause these codes to trip.
P1632- Transmission Temp Pull-Up Resistor issue. I am not a Hyundai Tech so I don't have allot of experiance with there transmisson codes. However the same code with same function is listed on the F-body site(GM). I would correct the other 3 and go from there. I assure you that poor engine performance would definately cause transmisson issues, especially with the shift points. Especially with a transmisson like yours that is totally electrically controlled. Please let me know if any of this makes more sense. If need be I can elborate more.

Sep 14, 2008 | 2000 Hyundai Accent

1 Answer

2000 Hyundai Accent


00-30-001 2000 ACCENT DMTL DIAGNOSIS: DTC CODES P1401, P1402 AND P1403

p1402 - dm-tl air pump motor is shorted or disconnected.

2000 model year accent is equipped with a new enhanced evaporative emission system. this new system is capable of measuring leaks as small as 0.020" diameter. the new system pressurizesthe evaporative emission system with a diagnostic module for tank leakage (dm-tl), while the previous model's system appliedengine vacuum through the purge valve to detect system leaks.

service information
vehicles that have the check engine light illuminated and have dtc p1401, p1402 and p1403 stored in the ecm should have their electrical systems diagnosed related to the appropriate dtc. these codes are not related in any way to an evaporative emission system leak. the conditions that set the diagnostic codes areas follows:
p1401 - dm-tl air pump motor current draw is higher or lower than expected (normal = 17-36 ma).
p1402 - dm-tl air pump motor is shorted or disconnected.
p1403 - dm-tl changeover valve is shorted or disconnected

Jun 04, 2008 | 2000 Hyundai Accent

1 Answer

Computer codes


p1402 - dm-tl air pump motor is shorted or disconnected.

2000 model year accent is equipped with a new enhanced evaporative emission system. this new system is capable of measuring leaks as small as 0.020" diameter. the new system pressurizesthe evaporative emission system with a diagnostic module for tank leakage (dm-tl), while the previous model's system appliedengine vacuum through the purge valve to detect system leaks.

service information
vehicles that have the check engine light illuminated and have dtc p1401, p1402 and p1403 stored in the ecm should have their electrical systems diagnosed related to the appropriate dtc. these codes are not related in any way to an evaporative emission system leak. the conditions that set the diagnostic codes areas follows:
p1401 - dm-tl air pump motor current draw is higher or lower than expected (normal = 17-36 ma).
p1402 - dm-tl air pump motor is shorted or disconnected.
p1403 - dm-tl changeover valve is shorted or disconnected

perform the suggested repair
1. inspect for water in the dmtl by removing the 90° air inlet elbow and looking into the air chamber. if water or corrosion is present, replace the dm-tl p/n 31440-25500; air filterp/n 31453-25500; and pipe assembly p/n 31454-25500if corrosion is in the pipe. see detailed instructions on page3 for air filter replacement.
2. inspect for underbody coating sprayed into connector m52 at dm-tl. if underbody coating is present on the male or female connector, spray with electrical contact cleaner to remove the undercoating.

air filter (dm-tl) replacement instructions
  1. disconnect the 90° elbow from the top of the dmtl and insert a clean rag into either the elbow or thedmtl inlet connector.
  2. disconnect the dmtl electrical connector.
    1. disconnect the 2 hoses at the front of the canister (caution: silicone hoses tear/puncture easily).
    2. remove canister assembly and dm-tl as a unit (3 mounting nuts).
    3. disconnect the 2 hoses from the metal transfer pipes.
    4. remove the canister, air filter, and metal tube assembly from the canister protector by removing the 3 mounting nuts.
    5. disconnect the hose at the air filter.
    6. remove the air filter mounting nut and remove the air filter.
    7. install a new air filter.
    8. reassemble in reverse order.

Jun 04, 2008 | 2000 Hyundai Accent

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