# 2015 Silverado multiple functions not working

**URL:** <https://community.cartalk.com/t/2015-silverado-multiple-functions-not-working/164270>\
**Category:** Maintenance/Repairs\
**Tags:** chevrolet, silverado-3500hd\
**Created:** [May 13, 2020, 9:56pm UTC](https://community.cartalk.com/t/2015-silverado-multiple-functions-not-working/164270 "2020-05-13T21:56:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![MikeHonsho](https://avatars.discourse-cdn.com/v4/letter/m/8797f3/32.png) [@MikeHonsho](https://community.cartalk.com/u/MikeHonsho)\
**Post date:** [May 13, 2020, 9:56pm UTC](https://community.cartalk.com/t/2015-silverado-multiple-functions-not-working/164270/1 "2020-05-13T21:56:29Z")

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No cruise, no cargo/3rd brake lamp, no windshield washers, no outside temp gauge. All went out around the same time. Replaced stoplight switch, bulbs in 3rd brake light, checked all fuses (all good). Is this a bcm issue or do I have a bad ground somewhere?

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [May 13, 2020, 9:59pm UTC](https://community.cartalk.com/t/2015-silverado-multiple-functions-not-working/164270/2 "2020-05-13T21:59:07Z")

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> **[5 Common Symptoms of a Failing Body Control Module (BCM) - Module Experts](https://moduleexperts.com/5-common-symptoms-failing-body-control-module-bcm/?gclid=EAIaIQobChMIoLHE2Oqx6QIVBo_ICh0XQQRvEAAYAiAAEgKgaPD_BwE)**
>
> If your BCM malfunctions, you will notice a negative effect on the operation of your vehicle. Watch out for these symptoms.

Tester