Question about 2002 Hyundai Accent

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2002 hyundai accent codes p1529 and p0734

I have a 2002 hyundai accent cods p1529 and p0734 are comming up. the car wont do backwards and wont go into high gear it slowly will shift into the other gears soometimes with a ****.

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  • ksbaz Jan 05, 2009

    My sons 2002 had the same problem. When the transmission senses a problem it goes into a "Safe" mode, only letting you use the lower gear(s). Definitely a trip for a tranny rebuild! It fixed ours right up!

  • amir80 Jan 06, 2009

    my accent gt 2001 have problem with all gears ,this is black point for all hyundai cars

  • Anonymous Feb 08, 2009

    I had the same error codes with my 2002 Accent . After changing the transmission fluid and 3 days of diagnostics later, the Hyundai dealership told me the transmission was bad. They wanted $2600 to fix it, but the car wasn't worth $1400 blue book. New car time!

  • Anonymous Mar 20, 2014

    obd code p0734 car does not shift properly

  • Anonymous Mar 24, 2014

    Hyundai accent 2002 central lock battery us dead what is the
    Model??

  • Anonymous Mar 25, 2014

    not shifting in high speed

  • Anonymous Mar 31, 2014

    Do I remove speakers to get to my shocks Hyundai accent 2002 to get to them

  • Mechanic888
    Mechanic888 Aug 24, 2014

    P0732, p0733,p0734 not shifting or shifting into 2/3 gear. Change speed

  • Mechanic888
    Mechanic888 Aug 24, 2014

    Sensor, still doing ,,, maybe the shift solenoid I should change?

  • Mechanic888
    Mechanic888 Aug 24, 2014

    Doesn't go over 15 mph,no reverse...

  • Mechanic888
    Mechanic888 Aug 31, 2014

    2005, yea it has 3 incorrect gear codes ... Idk speed sensor didn't work, Nore did the neutral safety switch.. So I'm going to a shift cyclenoid if that don't work I'm done!

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P1529 means nothing more than the TCM (transmission control module) has requested that the ECM (engine control module) turn on the check engine lamp.
P0734 basically indicates that your transmission is slipping.
You need to take this car to an authorized repair center for hyundai cars. Replacing the filter and fluid on the transmission might save this transmission but I would be willing to bet that a total transmission rebuild is in order.

Good Luck

Posted on Jan 02, 2009

  • 1 more comment 
  • lilbrowne485
    lilbrowne485 Jan 29, 2012

    I have had my transmission rebuilt twice and continue to get the same codes. Plus the DTC P0722, P0732, P0128. I have really put money into this little car. Can anyone tell me if there is a wiring issue with this car?

  • vintbj15
    vintbj15 Oct 09, 2012

    it sounds like a tcu problem

  • Mechanic888
    Mechanic888 Aug 24, 2014

    Or a speed sensors

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  • 2 Answers

Ok, thank you. I'm going to drop the pan and do the filter and the shift cyclenoid ... See what happens

Posted on Aug 31, 2014

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1 Answer

Why am I still getting codes p1529 and po734 after replacing tcm and imput speed sensor when the car warms up?


P0734 is a gear ratio code for 4th gear. In other words TCM sees 4th gear is slipping. P1529? I don't know I'm on my cell phone.

Dec 11, 2014 | 2002 Hyundai Accent

1 Answer

Transmission Problem


Sounds like the transmission is trashed to me. You might try flushing the transmission fluid a couple times to see if that can help the problem (I would have it done with an actual transmission flush machine)

Other than that, all I can say is DIG DEEP my friend!

Jun 03, 2012 | 2002 Hyundai Accent

1 Answer

Car sometimes wont start unless you spray starter fluid, just replaced filter. oem codes are p0734 and p1401


P0734 = 4th gear incorrect ratio (that's the torque converter 'lock-up' clutch - inside the converter).
P1401 = doesn't exist for 2002 Hyundai Accent's
P1401 exists for 2000 Accent = DM-TL Air Pump Motor Curent Draw is higher or lower than expected (normal is 17-36 mA). DM-TL = Diagnostic Module for Tank Leakage & is part of the Evaporative Emissions Control System.

These two DTC's are not associated/part of the Accent's Engine Managemenet System (EMS).
Best to have a qualified/certified Hyundai Service Technician properly diagnose this starting problem with your vehicle.

Aug 31, 2011 | 2002 Hyundai Accent

4 Answers

I have had the transmission rebuilt in my 2002 Hyundai Accent GL only 8 weeks ago and I have gotten the codes P0734 and P1529 now. So does that mean my mechanic did not do his job?


Code 0734 : Gear 4 Incorrect Ratio. you may wanna take back to the Mechanic and tell him whats going on and let him deal with that. Good luck

Dec 12, 2010 | 2002 Hyundai Accent

1 Answer

Can you tell me what the trouble codes p1529 and po745 means for a 2002 Hyundai Accent.


2002 hundai Accent are known of that issue. And that a input speed sensor malfunction.

Dec 08, 2010 | 2002 Hyundai Accent

2 Answers

Getting Error codes P0732, P0734, P1529 Tachometer is stable and car is running fine but the speedometer intermittantly drops from 75mph to 30 mph after the car has been driven for 30 to 40 minuntes on the...


Sounds like a dirty of faulty speed sensor. They can be removed and cleaned. Better off replacing. Do check the wires to the speed sensor. Trace wires from tranny to instrument cluster and make sure they are all in tact and clean.

May 14, 2010 | 2003 Kia Spectra

1 Answer

Need to know what these codes mean for hyundai accent P1529, P1404, P0722


P1529- TCM MIL request signal failure
P1404- DTML Heater circuit failure
P0722- ATM Output speed sensor no signal

All these together indicate a possibly cut wiring harness failure, or other major circuit issue.

Apr 23, 2010 | 2002 Hyundai Accent

1 Answer

I have two codes showing on my daughters 2002 hyundai, P1529 and P0734. What should I look for to repair these problems


po 734 is transmission code, unfortunatly its not good, an internal failure, probably a kickdown servo failure,hyundai offers a reman trans, with a good warranty i would look into that, also they will give you a better diag and options on what you have, however if you are the original owner, and have proof of proper maintainance,the trans may be covered on the 10 year 100,000 mile power train warranty

Dec 15, 2009 | 2002 Hyundai Accent

2 Answers

Vehicle wont change up into gear reverse gear not


P0734 - 4th gear incorrect ratio. P1529 Malfunction Indicator Lamp Request. Problem is in the transmission.
Take/Tow your vehicle to an authorized Hyundai dealership and pay the diagnostic fee... they will tell you exactly what the problem is and the cost of parts/labor to fix it... at least this way you'll know what the problem is and what's required to fix it.

Sep 27, 2009 | 2002 Hyundai Accent

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