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CEL, VSC, VSC OFF. Lights are on with codes. Stsys on. Codes…

Customer Question
CEL, VSC, VSC OFF...

CEL, VSC, VSC OFF. Lights are on with codes

Mechanic's Assistant: Does the light stay on, or does it blink?

Stsys on. Codes are p1135 and 1155. Just put 2 new o2 sensors in and nothing

Mechanic's Assistant: What is the model/year of your Lexus?

2001 Avalon

Mechanic's Assistant: Are you fixing your Avalon yourself? What have you tried so far?

2 new 02 sensors, resistance across the heater circuit is within range.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No thank you

Submitted: 4 months ago.Category: Lexus
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Answered in 3 minutes by:
1/16/2018
Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago
David Craig
David Craig, Auto Mechanic
Category: Lexus
Satisfied Customers: 5,389
Experience: Owner/Mechanic at 3D Automotive
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Hi my name is ***** ***** I'll be more than happy to assist you, Please allow me a few minutes to review your information. Thank you.

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Customer reply replied 4 months ago
Okay
Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

if the resistance across the heater circuit is ok. you possibly have a bad ecm. do these tests

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Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

1 more

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Customer reply replied 4 months ago
Everything is within rage I have checked all that
Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

Then replace the ECM

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Customer reply replied 4 months ago
The voltage at the o2 running is
Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

b1s2 is not good

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Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

i understand that it has nothing to do with these codes

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Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

just letting you know it is reading horribly

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Customer reply replied 4 months ago
Your confident it’s the ecm?
Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

absolutely. there's really nothing to these faults. usually its a heater circuit...ie wiring issue but if you checked for a high resistance shorts on the heater circuit wires then it has to be the ecm

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Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

hows it going?

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Customer reply replied 4 months ago
The ecm will be here Tomorrow by noon apparently
Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

ok thanks

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Customer reply replied 4 months ago
Ecm did not fix it
Customer reply replied 4 months ago
Do you know the location of the o2 grounds? I’m going over all the wiring now.
Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

please standby and I'm very surprised the ECM didn't fix it

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Customer reply replied 4 months ago
I have the o2 sensor issue under control. Now the the VSC lights are still on
Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

abs light on?

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Customer reply replied 4 months ago
No just the 2 VSC lights
Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

ok

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Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

you need to get me some abs/vsc fault codes. there are 2 many possibilities.

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Lexus Mechanic: David Craig, Auto Mechanic replied 4 months ago

hows it going?

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