Question about 2011 Chevrolet Chevrolet HHR LS

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Ecs light on 2011 HHR LS and low power

During this cold weather, the ECS light and traction light have been on and off a couple of times and when this happens I have almost no power - it runs sluggish.

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ECS is electronic controlled stability. It works with traction control when it is slippery and it does cause what you describe. It reduces the power to the engine and drive train. IT could be from ice build up on wheel sensors.

Posted on Mar 01, 2014


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CodeC0550 on 2009 chevy hhr what does it mean? Light Service Traction And Serice ECS ??

DTC C0550 00: EEPROM Checksum Mismatch . Your best bet , take your vehicle to a qualified repair shop.
Circuit/System Description
When the ignition is turned ON, the microprocessor runs a diagnostic program to detect an internal fault when power up is commanded. If an internal malfunction is detected, the control module will store a DTC C0550 in its memory.

Action Taken When the DTC Sets
If equipped, the following module specific actions may occur:
• The antilock brake system (ABS) indicator turns ON.
• The BRAKE warning indicator turns ON.
• The electronic brake control module (EBCM) disables the ABS/dynamic rear proportion (DRP)/traction control system (TCS).
• The driver information center (DIC) displays the power steering warning message No Steering Assist.
• The TCS indicator turns ON.

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Changed starter in a 2008 HHR and can't get the ECS reset. Why the car will not start.

You will need the code from your manual or your local dealer
May need to have dealer hook TECH II computer up to unlock your ECS codes

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1 Answer

What is ecs light mean in my 2009 chevy hhr

Emission Control System
Or ESC electronic stability control

Mar 27, 2017 | 2009 Chevrolet HHR

1 Answer

I have a 2008 Chevy hhr 2.4 Lt and the ecs said off

Where did you see this ? driver message center ?
Emission Control System or was ESC
Electronic Suspension Control
No matter which it is you should have the vehicle checked for DTC'S - diagnostic trouble codes DTC Database OBD II Trouble Codes

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1 Answer

How do i fix a D Squib Circuit and what is it

Mel, This may not be a problem for you to take on, pretty sure it has to do with the SRS senors which could also cause B0140 code traction control possibly shut off by fault in SRS system. Take in to a good Technician for diagnoses. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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1 Answer

ESC and Traction Control light comes on 2011 HHR LS

Sounds like your brake fluid is low, or one of the wheel speed sensors is dead.

Feb 28, 2014 | 2011 Chevrolet Chevrolet HHR LS

1 Answer

ESC and Traction Control light comes on and low power with my 2011 HHR LS

You will need to find the trouble code for malfunctioning wheel speed sensor. The Powertrain control module thinks that there is a wheel spinning or slipping, which in turns retards ignition timing to limit the slip. It could be a bad sensor or a broken wire harness. Some parts houses can give you the code, but you will either have to take it in to a Certified Technician, or diagnose it yourself if you are qualified.

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1 Answer

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Did you check for codes & google them,
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2 Answers

Car spitting and sputtering and check esc light is on

you would need to scan the computer and see what codes you have to start this should still be under factory warr being a 2011 unless you have a lot of miles on it

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1 Answer

Severe crunch sound with ABS system, plus ECS light goes on.

Good news,

Your noisy experience with your ABS and ECS is exactly what all of these systems do in icy, snowy, and any environment that causes your tires to lose traction. The ECS light when blinking or illuminated is just informing you that the ECS is being activated to let you know your traction is limited.

I have an Elantra and have driven my GF's '06 Sonata many times. I live in MN and it does the same thing with snow etc. and so has past cars i've owned such as Subaru Legacy, Pontiac Grand Prix, and Toyota Camry.

With ABS it does seem to take quite some distance to stop in icy or snowy conditions. When it's dry it's impossible to beat.

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