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What is an error code P1402 undefined when you have the check engine light on?

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I have a 1999 Honda accord the check engine light is on took it to auto zone and they gave me a p1402 code. What does this mean??


EGR valve is not function (Stuck)
Need to remove and clean. If broken replace new one.

Mai Lor

Feb 22, 2013 | Cars & Trucks

1 Answer

I have a Audi a4 Quattro. The check engine light is on while I drive. When I am at a drop light,it cuts off. But it starts back up again. Sometimes it jolts like it want to cut off while driving. What...


most auto parts stores will scan the computer for free to tell you what is causing the check engine light.
They will give you a code. (eg. P0304 or P1402, etc)
You can then google that "P code" and you will have the cause of the problem.
Sounds like a throttle position sensor to me, but without the code, I can't say for sure.
Let me know what the code is and I'll try to help more.

Jan 19, 2013 | Cars & Trucks

1 Answer

ObdII code p1709 "undefined error - check owners manual"


I show that this code is for the ECT sensor. Check the connector to it on the engine near the thermostat housing, if it is ok replace the sensor. There is a lot of confusion on the codes definition so hop I got this right, if not I apologize in advance.

Jun 21, 2012 | 2004 Suzuki Aerio

2 Answers

2002 Kia spectra Engine Light


in short this means the EGR (Exhaust Gas Recirculation valve is blocked, most like the passages in the intake are carboned up, go to the link below for full diagnosis and testing for this fault code P1402

http://www.bba-reman.com/content.aspx?content=NEXT_DTC_P1402

Feb 02, 2010 | 2003 Kia Spectra

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

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