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Check engine light, AWD and slippery light on. i took my car to lexus dealer they scanned it. fater i got home from the dealer the light came back on. brought the car back they found code that they don't know what problem is. pls give me dircetion how resovle this crazy thing. appreciated.

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  • vanly
    vanly Oct 15, 2013

    thanks fixkick. it is 2010 lexus rx350. bought it about 1 month has no problem at all. After oil changed problems start. Dealer scanned found code p0012

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    _-__-___-_ Oct 15, 2013

    code 12, P0012 Lexus - Camshaft Position 'A' Timing Over-******** Bank 1 Read more:

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    _-__-___-_ Oct 16, 2013

    that is the correct code? its and engine timing error, not related to

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    _-__-___-_ Oct 16, 2013

    AWD and slippery light on. , so what does your operators guide show for those lights ? car is under warranty , no?

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    _-__-___-_ Oct 16, 2013

    have you read page 236 in the cars op guide, first this......AWD and slippery light on.

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    _-__-___-_ Oct 16, 2013

    ctive torque control 4WD system (AWD models only) Automatically switches from front-wheel drive to AWD (All-Wheel Drive) according to driving conditions, help ing to ensure reliable handling and stability. Examples of conditions wher e the system will switch to AWD are when cornering, going uphill, starti ng off or accelerating, and when the road surface is slippery due to snow or rain etc.

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    _-__-___-_ Oct 16, 2013

    on the same page , it explains vcs

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    _-__-___-_ Oct 16, 2013

    quote: 237 2-4. Using other driving systems 2 When driving When the VSC/TRAC systems are operating If the vehicle is in danger of slip- ping or rolling backward when starting on an incline, or if any of the drive wheels spins, the slip indi- cator light flashes to indicate that the VSC/TRAC systems are oper- ating. A buzzer (intermittent) sounds to indicate that VSC is operating.

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    _-__-___-_ Oct 16, 2013

    so when is the SLIP light ON. and the AWD can come ANY TIME IT WANTS TO. and is NORMAL.

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    _-__-___-_ Oct 16, 2013

    P0012 is a serious engine failure. assuming its really 0012.

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    _-__-___-_ Oct 16, 2013

    point 2, if the slip light shows OFF in the icon, that means someown turned it off. page 238 RTM

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    _-__-___-_ Oct 16, 2013

    lost the manual?

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    _-__-___-_ Oct 16, 2013

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    _-__-___-_ Oct 16, 2013

    are you just looking for Check engine light on , not the other too, i dont know, but if you are get scan tool. or got to and read the long section there on P0012, and the tests. VVT issues?

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    _-__-___-_ Oct 16, 2013

    too is two, sorry


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  • Cars & Trucks Master
  • 20,706 Answers

What year , what car, what country, wow@!
its magic, even the dealer can fix magic. see?
find a local ASE certified mechanic.
some will even drive the car 1 day, to see what it is doing.
you can not fix this , just as 1 shot deal.
its a moving problem.
keep in mind , ABS issues can make traction controls fail.

if DIY?
go to and read it.
its all there. and what to do, what to test.
this is also in the FSM, buy one. (factory service manual)
with out this , its all just guessing the magic.
also (all calls step 1)
read the TSB ,first. see abs or traction or awd, or related TSB.
read that firsts.
this is the first step taught in all ASE schools.
may be the car needs a flash upgrade.? who, know? no year stated.

Posted on Oct 15, 2013

Testimonial: "hi fixkick. it is 2010 lexus rx350. dealer scanned and found code p0012. they don't know what is that code for and suggested to fix that fix this. i told them what you said make no sense to me. my car has no problem, only happened after oil changed. I have tried to do all ideas from the net. no luck."

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SOURCE: Buick Skylark won't start. intermittant problem

Had similar problem Does the 'theft system' light come on or blink? If so, get it checked out by a good electronic troubleshooter. If it doesn't start, try locking and unlocking driver door twice, and it should reset and start.

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SOURCE: Check engine light 2005 Saturn Vue

the scan tool that you are using will not read codes from all of the modules. take the car to a gm dealer to have it checked with a tech2

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SOURCE: cylinders misfire for 99 lexus ES300

no, this is a fuel quality poor or water momentany, make this test: disconnect the negative battery terminal few minutes and reconnect,run the engine, drive and check


Posted on Apr 15, 2009

  • 5158 Answers

SOURCE: Check engine light is on

no such thing as a catalytic computer... there is a catalytic converter ... part of the exhaust system so they may now be "guessing" that it's an O2 sensor. take the car to autozone... they will scan the codes for free.... post the codes here tho the lads and lasses there are pretty clever and will probably tell you what the codes mean.

Posted on Apr 16, 2009

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SOURCE: Check Engine Light came on with code p0420. Dealer wants $3900 to fix "b2 manifold and front pipes. Does this make sense. Are their better alternatives. I left the dealership without fixing it and the

if your car no present any problem i think that mechanic is a thieft.

Sometimes the fuel have mixtures that make the check light on , to reset disconnect the negative battery few minutes, no go more to this mechanic,good luck

Posted on Apr 21, 2009

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