Does the Cruze use a cruise control brake release switch?

218 Views 9 Replies 4 Participants Last post by Blasirl, 11 h ago

Blasirl

Discussion Starter · 5 d ago

I am not referring to the steering wheel controls.

I assume it does, but I cannot find any information on either the location or part number. If anyone has a schematic, actual picture, parts link or even just the part number that would be helpful.

Thanks for looking.

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MP81

· #2 · 5 d ago

I mean, it "cancels" if you touch the brake pedal...I assume this is handled by the BCM and/or ECM.

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ChevyGuy

· #3 · 5 d ago

It has a brake position sensor. It's used for a number of things, including activating the brake lights. It feeds the BCM and the BCM does it all.

A few have reported issues when the brake pedal returns to an inconsistent location and the BCM get's confused as to what is "on" and what's "off".

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Keep’n It Runnin’

· #4 · 5 d ago

Blasirl said:
I am not referring to the steering wheel controls.

I assume it does, but I cannot find any information on either the location or part number. If anyone has a schematic, actual picture, parts link or even just the part number that would be helpful.

Thanks for looking.

A little tough to see in the component pics but it’s item #7. Looks like there are 6 wires on two sensors. My guess is, it’s the three going to the engine control module since it controls the engine speed and not the brake lights.
Good luck.

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Keep’n It Runnin’

· #5 · 5 d ago (Edited)

RockAuto.com has it. Note that one is for a manual and one is for an auto transmission.

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ChevyGuy

· #6 · 5 d ago

I believe the car will set a code if the two position sensors don't agree. I'm not sure if cruse control is implemented in the BCM or the PCM.

You haven't said what the issue is.

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Blasirl

Discussion Starter · #7 · 1 d ago

Keep’n It Runnin’ said:
A little tough to see in the component pics but it’s item #7. Looks like there are 6 wires on two sensors. My guess is, it’s the three going to the engine control module since it controls the engine speed and not the brake lights.
Good luck.

So there is only one switch that controls both functions? I had assumed there was two.

FYI I have an auto

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Blasirl

Discussion Starter · #8 · 1 d ago

ChevyGuy said:
I believe the car will set a code if the two position sensors don't agree. I'm not sure if cruse control is implemented in the BCM or the PCM.

You haven't said what the issue is.

Two sensors? Where is the other?

I did not say because there is no issue, I was considering a project and needed that input.

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Keep’n It Runnin’

· #9 · 22 h ago (Edited)

Blasirl said:
So there is only one switch that controls both functions? I had assumed there was two.

FYI I have an auto

The schematic diagram shows a box around both sensors and that usually means it’s one component. And the part pictured on RockAuto looks like it has a six-wire plug.

Note that they are not switches. They are potentiometers (variable resistors). One wires to the body control module for brake lights as shown in the schematic, and the other one wires to the engine control module. One of them controls ABS and traction control functions so I’d be careful tapping into them for a project. If you change the resistance that the computer is looking for, the effects could be ugly.

I don’t know what you’re trying to do but tapping into the brake light circuit would be easier and safer.

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Blasirl

Discussion Starter · #10 · 11 h ago

Keep’n It Runnin’ said:
The schematic diagram shows a box around both sensors and that usually means it’s one component. And the part pictured on RockAuto looks like it has a six-wire plug.

Note that they are not switches. They are potentiometers (variable resistors). One wires to the body control module for brake lights as shown in the schematic, and the other one wires to the engine control module. One of them controls ABS and traction control functions so I’d be careful tapping into them for a project. If you change the resistance that the computer is looking for, the effects could be ugly.

I don’t know what you’re trying to do but tapping into the brake light circuit would be easier and safer.

I figured as much. I was looking for a way to automatically release the cruise without manual input.

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Does the Cruze use a cruise control brake release switch?

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