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I got a check engline light. It stays on. 2012 srx. I am…

Customer Question
I got a check...

I got a check engline light

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

It stays on

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

2012 srx

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

I am going to see what codes it is first

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

It says engine power reduced

Submitted: 2 months ago.Category: Cadillac
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Answered in 10 minutes by:
5/30/2018
Cadillac Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 2 months ago
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Cadillac
Satisfied Customers: 5,783
Experience: Owner at Carolina Auto service & Sales , 20 years Experience in Foreign & Domestic vehicles
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

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Customer reply replied 2 months ago
thank you
Cadillac Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 2 months ago

We will need those fault codes

go to local parts store ,scan it and post fault code back here for me

reduced power, is the computer running at safe mode so u want hurt engine ,so the fault is serve enough to take into reduced power mode ,but will let u drive it to get to shop

with out letting rev up so u want do more damage

what is mileage on it now

has ever been tuned up ?

Are you looking for the most possible causes or you are repairing it yourself .

Please Let Me Know

Thank You

Chad Farhat

ASE Certified Technician

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Customer reply replied 2 months ago
i am going to scan it later . i will post the fault codes at that time alsoit has 77,000 miles and has not been tuned up yet
Cadillac Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 2 months ago

did check engine lite steady on or flashing ?

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Cadillac Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 2 months ago

ok sounds good ,let me know

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Customer reply replied 2 months ago
it is steady on
Cadillac Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 2 months ago

okay ,flashing is not good ,be a major misfire and u cant drive , but steady is ok to drive

let me knoiw

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Customer reply replied 2 months ago
i get code p 2138
Cadillac Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 2 months ago

THANK YOU FOR THE FAULT CODE

PLEASE READ BELOW THERE WAS TSB BULLETIN ON THIS FAULT

IP PANEL TO HARNESS ISSUE , CLICK ON LINK TO VIEW TROUBLESHOOT AND COMPLETE TSB BULLETIN

BUT THIS HERE WILL NEED DEALER OR CAPABLE SHOP WITH CORRECT SCANNER AND TESTING EQUIPMENT TO REPAIR

IF U TAKE TO SHOP ,SHOW THEM THE BULLETIN BEFORE HE START REPLACING PARTS FOR DTC P2138

  • Some customers may comment on an intermittent malfunction indicator lamp (MIL) being Illuminated with a message or an indicator that displays Reduced Engine Power.
  • The technician may observe on a scan tool DTC P2138 – Accelerator Pedal Position (APP) Sensor 1-2 Correlation set as Current or in History.

Cause

This condition may be caused by water intrusion into the instrument panel (IP) to body harness connector, which carries the APP sensor signals to the ECM/PCM. This water intrusion results in a voltage difference between APP Sensor 1 and APP Sensor 2 that exceeds a predetermined value for more than a calibrated period of time, setting P2138.

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Thank You?Chad Farhat?ASE Certified Technician

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Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Cadillac
Satisfied Customers: 5,783
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Experience: Owner at Carolina Auto service & Sales , 20 years Experience in Foreign & Domestic vehicles

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