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post #91 of 181 (permalink) Old 11-22-2011, 06:03 AM
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I wonder if instead of a PXXXX code, you have an SRS, CXXXX(chassis) code, or BXXXX(body) code. It's either that, the software on the OBD scanner isn't reading, or the ECM isn't talking.

'02 IS300 MSM LSD
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post #92 of 181 (permalink) Old 11-23-2011, 08:45 AM
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Originally Posted by jasonm4444 View Post
I wonder if instead of a PXXXX code, you have an SRS, CXXXX(chassis) code, or BXXXX(body) code. It's either that, the software on the OBD scanner isn't reading, or the ECM isn't talking.
How do we check these codes? Am I going to have to visit lexus?

o2' Black Onyx IS300 - Back to stock :( for now.
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post #93 of 181 (permalink) Old 11-23-2011, 09:14 AM
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How do we check these codes? Am I going to have to visit lexus?
That I can't answer for sure, sorry. Maybe an advanced scanner(OBDII) or the dealer. The codes we commonly see are P codes(powertrain). Then you have C codes(chassis), B codes(body codes), and U codes(network communication). I'll try to get a definite answer.

'02 IS300 MSM LSD
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post #94 of 181 (permalink) Old 11-23-2011, 12:01 PM
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Ok thanks for looking into it!

o2' Black Onyx IS300 - Back to stock :( for now.
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post #95 of 181 (permalink) Old 12-24-2011, 07:50 PM
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Is there a particular code reader that anyone reccomends? I see that there are several ones and a big range in prices. I am just looking for something to read the codes and tells me what they mean.
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post #96 of 181 (permalink) Old 12-29-2011, 12:18 PM
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p0717 and p0980 traction control blinks

04 is300 auto 100k. car has had cel since i bought it. 717 has something to do with the evap and my intake tube was improperly installed and messed up so i changed it code went away for a little bit then came back also with a 980. at a loss and any help would be apprecited.
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post #97 of 181 (permalink) Old 12-29-2011, 12:36 PM
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04 is300 auto 100k. car has had cel since i bought it. 717 has something to do with the evap and my intake tube was improperly installed and messed up so i changed it code went away for a little bit then came back also with a 980. at a loss and any help would be apprecited.
Actually P0717 is a malfunction with the O/D speed sensor on the transmission. Another member had a very similar problem with the same two Dtc's. Check out my post at the end of the thread below.

https://my.is/forums/f93/check-engine...lights-435803/

'02 IS300 MSM LSD
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post #98 of 181 (permalink) Old 12-31-2011, 03:00 PM
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Originally Posted by jasonm4444 View Post
Actually P0717 is a malfunction with the O/D speed sensor on the transmission. Another member had a very similar problem with the same two Dtc's. Check out my post at the end of the thread below.

https://my.is/forums/f93/check-engine...lights-435803/
thats about what i figured. my only real question is i had the p0717 only when i checked it a few months ago. so do you think i should start with the sensor or the solenoid. well the sensor isnt that expensive so ill prob do that first anyway. guess im answering my own question! thanks
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post #99 of 181 (permalink) Old 12-31-2011, 03:11 PM
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thats about what i figured. my only real question is i had the p0717 only when i checked it a few months ago. so do you think i should start with the sensor or the solenoid. well the sensor isnt that expensive so ill prob do that first anyway. guess im answering my own question! thanks
I honestly think the speed sensor fault is due to the solenoid fault, but I'm not 100 percent sure. If you threw a speed sensor fault before the solenoid fault then I would most definitely replace the speed sensor imo. I would reset the ECU and maybe see what pops up first. Anyway, post an update or if you have any more questions, i'll try to tell you the best of my knowledge.

'02 IS300 MSM LSD
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post #100 of 181 (permalink) Old 01-07-2012, 05:16 PM
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Originally Posted by jasonm4444 View Post
I honestly think the speed sensor fault is due to the solenoid fault, but I'm not 100 percent sure. If you threw a speed sensor fault before the solenoid fault then I would most definitely replace the speed sensor imo. I would reset the ECU and maybe see what pops up first. Anyway, post an update or if you have any more questions, i'll try to tell you the best of my knowledge.
thanks for the help. its my buddys car so as soon as his lazy self wants me to do the work for him i'll let you know what happens
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post #101 of 181 (permalink) Old 01-26-2012, 02:36 PM
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just got a cel this morning, car threw out code p0440. Help please
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post #102 of 181 (permalink) Old 01-26-2012, 02:53 PM
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just got a cel this morning, car threw out code p0440. Help please
P0440 from what I've learned is a tank side leak, possibly due to the gas cap or it's seal. It's not a canister side leak, or you would throw P0446 as well.

P0440 (evap emission control sys malfunction). Troubled areas:
Hose cracked, holed, damage or loose seal.
Fuel tank cap not installed properly, cracked or damage.
Vac hose cracked, holed, blocked, damage or disconnected.
Fuel tank cracked, holed or damage.
Charcoal canister cracked, holed or damage.
Open or short in vapor pressure sensor circuit.
Vapor pressure sensor.
Fuel tank over fill check valve cranked or damage.
ECM

I know our cars don't like to be completely filled with gas, especially past the point to where the gas pump automatically stops. The purge EVAP valve can get stuck. I would check for any loose EVAP lines, especially the canister closed VSV, one right beside the stock airbox. Make sure both lines are hooked up to that valve.

'02 IS300 MSM LSD
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post #103 of 181 (permalink) Old 05-06-2012, 03:11 PM
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P0300 p0446 and p1128 car idles and revs fine but driving barely moves i know i need b1s2 but it ran fine until recently it started spitting and sputtering and barely drivable any help much appreciated
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post #104 of 181 (permalink) Old 05-06-2012, 03:24 PM
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Sounds like the ECU is trying to open the throttle but your throttle control motor isn't working right. P1128 means Throttle Control Motor Lock Malfunction. This may throw you into limp mode.
P0466 is an EVAP code, so that wouldn't effect performance. P0300 is random misfire and can be caused by the plug or it's wiring.

'02 IS300 MSM LSD

Last edited by jasonm4; 05-06-2012 at 04:03 PM.
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post #105 of 181 (permalink) Old 05-06-2012, 04:35 PM
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is it a throttle position sensor so i can look it up to order parts store cant get anything here we just put a new motor trans heater core and radiator in and have spent well over what the car is worth just to keep it running who wants to buy it asap! lol
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