Key fobs not working - Automotive Wiring and Electrical


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Key fobs not working

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Pointplacekids
User

Mar 23, 2020, 2:11 PM

Post #1 of 3 (2368 views)

Key fobs not working	Sign In

2017 Ram Promaster 1500 Cargo Van 40,000 miles. Used daily. Both key fobs quit at the same time.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Mar 23, 2020, 2:31 PM

Post #2 of 3 (2366 views)

Re: Key fobs not working	Sign In

You're going to need some high tech equipment to diagnose this problem. There is an antenna module under the dash pad that could have failed but you are going to need dealer level equipment to find out. I seriously doubt that 2 transmitters failed at the same time so they are unlikely the issue.

The Body control module plays a big part in this system also. If there is an issue there it could get pretty expensive as the transmitters cannot be programmed a second time and would have to be replaced along with whichever component failed.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

(This post was edited by Hammer Time on Mar 23, 2020, 2:32 PM)

Pointplacekids
User

Mar 23, 2020, 3:05 PM

Post #3 of 3 (2356 views)

Re: Key fobs not working	Sign In

Thank you. I'll head to the people of Ram.

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