Cadillac STS Electronic Control Relay Replacement Costs

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Electronic Control Relay Replacement Service

How much does a Electronic Control Relay Replacement cost?

On average, the cost for a Cadillac STS Electronic Control Relay Replacement is $141 with $46 for parts and $95 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2007 Cadillac STSV6-3.6L	Service typeElectronic Control Relay Replacement	Estimate$207.35	Shop/Dealer Price$247.94 - $330.34
2006 Cadillac STSV6-3.6L	Service typeElectronic Control Relay Replacement	Estimate$187.35	Shop/Dealer Price$227.97 - $310.39
2009 Cadillac STSV8-4.6L	Service typeElectronic Control Relay Replacement	Estimate$187.35	Shop/Dealer Price$227.97 - $310.39
2007 Cadillac STSV8-4.6L	Service typeElectronic Control Relay Replacement	Estimate$187.35	Shop/Dealer Price$227.93 - $310.32
2006 Cadillac STSV8-4.4L Turbo	Service typeElectronic Control Relay Replacement	Estimate$187.35	Shop/Dealer Price$228.00 - $310.44
2006 Cadillac STSV8-4.6L	Service typeElectronic Control Relay Replacement	Estimate$187.35	Shop/Dealer Price$227.97 - $310.39
2008 Cadillac STSV8-4.6L	Service typeElectronic Control Relay Replacement	Estimate$192.35	Shop/Dealer Price$232.73 - $314.97
2010 Cadillac STSV8-4.6L	Service typeElectronic Control Relay Replacement	Estimate$192.35	Shop/Dealer Price$233.39 - $316.11

Show example Cadillac STS Electronic Control Relay Replacement prices

What is the Electronic Control Relay all about?

A wide range of electronic systems must work properly in order for the vehicle to operate. That means there is a need for several different controllers to ensure proper operation. One of the most important is the electronic control relay. You might be more familiar with the term “main relay” because of its role in vehicle performance.

The electronic control relay operates the fuel pump and sends power to the engine’s injectors. Without the main relay, fuel will not flow from the tank to the engine, and your injectors will not atomize gasoline into the combustion chamber. In short, your car wouldn’t run. Electronic control relays are subject to failure from a number of different problems, including outright failure, heat damage, cracked solder and more.

Keep in mind:

The electronic control relay may not operate, or may operate intermittently depending on the source of the trouble.
A number of other problems can masquerade as a main relay failure, so it’s vital that you have one of our expert mechanics diagnose the issue.

How it's done:

The electronic control relay is located and accessed then verified it needs replaced
The defective relay is removed from the vehicle
The new electronic relay is installed
The components that the electronic relay operates are checked for proper operation
The vehicle is road tested for proper operation

Our recommendation:

Traditional turnkey ignition the relay will click three times during the starting process. If you listen closely, you should hear a single click when you turn the ignition to “on”. You should hear another when the Check Engine light turns off. Finally, there should be a third click when you turn the key to the “start” position. If you do not hear a click at any of these three points, there may be a problem with the electronic control relay. Have one of our expert mechanics diagnose and replace the relay if required.

What common symptoms indicate you may need to replace the Electronic Control Relay?

Engine doesn’t start, especially in cold weather
Engine may not start a few minutes after turning it off
No sound from the fuel pump when the ignition key is turned to “On”

How important is this service?

Given the fact that the electronic control relay powers the fuel pump and your fuel injectors, it is essential to replace a faulty one. However, many other problems can present similar symptoms, so it’s very important to have the issue diagnosed by one of our expert mechanics.

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Real customer reviews from Cadillac owners like you.

Excellent Rating

(115)

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Steven

16 years of experience

2 reviews

Steven

16 years of experience

by Quinton

Cadillac STS V8-4.6L - Oil Change - San Diego, California

Did a awesome job! Answered any questions I had and was very polite. Also extremely professional.

Chris

18 years of experience

494 reviews

Chris

18 years of experience

by Paul

Cadillac STS V6-3.6L - Battery Terminal Ends - Houston, Texas

Chris was great! He gave a detailed explanation of what was needed and went out of his way to provide the necessary parts to get the job done that day. I am very grateful that Chris was assigned as my technician.

Fred

17 years of experience

389 reviews

Fred

17 years of experience

by Ulysses

Cadillac STS V6-3.6L - Starter - Houston, Texas

This was my first experience with yourmechanic. My car was not starting, so I booked the "car not starting inspection" with Fred on a Friday. I had a hunch my starter was the issue, but chose the inspection option since I wasn't 100% sure. Upon arrival Fred checked the battery along with a few other items and confirmed my starter was indeed bad. Since I had only booked the inspection Fred was not able to replace it that same day, but advised he would send me the quote and allow me to schedule it with an available mechanic. Just so happens this weekend things were pretty booked up so my appointment ended right back with Fred that Monday. Once again Fred showed up on time and got right to work. He replaced my starter and got me back up and running in no time. I would highly recommend this service and if/when needed I will use again.

Scott

21 years of experience

144 reviews

Scott

21 years of experience

by Quinton

Cadillac STS V8-4.6L - Check Brake, Steering and Suspension System - San Diego, California

Excellent Rating

(115)

Rating Summary

104

5

1

3

2

104

5

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3

2

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