Wipers will not park

Tiny
NSENYK117
  • MEMBER
  • 2015 CHEVROLET CRUZE
  • 1.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
Replaced the wiper motor and transmission. Wipers still only park in the middle of the windshield. I can take them off the motor and move them to any angle but it only parks in the same spot. I bought a new ECM that controls the wipers, it’s under the center console area, passenger side. However, it has to be programmed at the dealership.
How do I determine if it’s the wiper control module before I pay for programming?

No Engine light on
New Wiper Motor
New Wiper Transmission
New Wiper Switch
Friday, April 15th, 2022 AT 12:02 PM

3 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This could be a control module issue, but I just want to confirm you are talking about a BCM.

Can you provide the part number of the module?

So that means we need to find out if this is the case by running through the testing that I am attaching below.

Here is a guide that will help with this type of testing:

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Please see the testing and we can go from there.

Thanks
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Saturday, April 16th, 2022 AT 7:50 AM
Tiny
NSENYK117
  • MEMBER
  • 22 POSTS
This is the replacement BCM I bought. This car sits at work most of the time, so I have yet to take it home and troubleshoot it. I believe it has a small vacuum leak now because of code P0171 that came up today.
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Wednesday, April 20th, 2022 AT 5:16 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
That is the correct BCM for this vehicle as shown below. So, I agree that this is the most likely cause.

As for the vacuum leak we are going to have get a new post started for that simply because we need to keep each one-to-one topic so that others can find the solution to it if they are having a similar issue and they won't find that under this topic.
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Thursday, April 21st, 2022 AT 7:49 AM

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