Extend range on key FOB

firstcomesl · Aug 28, 2024

2000 GMC Yukon Denali. Love my truck but, I have a problem with my key FOB. I think I'm still using original key fob. It has no range. Must be right next to driver door window before it unlocks. Maybe 2 foot range. I have cleaned all internal contacts, replaced batteries, done everything I can think of to add range. Does anyone have any suggestions. Get newer fob? Can I add antenna? Where is receiver in truck? Anyone have better range with aftermarket fob? I am interested in any suggestions. Thanks in advance.

Big Mama · Aug 29, 2024

Some say holding it under your chin with your mouth open works but I’m not sure I’d want to do that. Most likely the fob needs replacing. No big deal they’re everywhere.

justirv · Aug 29, 2024

firstcomesl said:
2000 GMC Yukon Denali. Love my truck but, I have a problem with my key FOB. I think I'm still using original key fob. It has no range. Must be right next to driver door window before it unlocks. Maybe 2 foot range. I have cleaned all internal contacts, replaced batteries, done everything I can think of to add range. Does anyone have any suggestions. Get newer fob? Can I add antenna? Where is receiver in truck? Anyone have better range with aftermarket fob? I am interested in any suggestions. Thanks in advance.

I have a 2002 Z71, original owner, and have gone through several key fobs in its lifetime. These are readily available, and can be self-programmed at home using a special sequence of key on, key off, along with manual door lock/unlock. I have a range of at least 30'+, and my oldest (working) replacement fob is 5 years old. All key fobs must be programmed at the same time (in sequence), which is great in case you have an existing fob that is lost or stolen. This one comes in black, blue, or red.
2 KeylessOption Replacement 3 Button Keyless Entry Remote Control Key Fob -Blue https://a.co/d/j8cOzn4

GlennSullivan · Aug 29, 2024

I've got 2007 Z71 and have replaced 1 of the 2 original FOBs, easy to program and my replacement works from inside the house to remote start the car in the driveway 30'-40' away

homesick · Aug 29, 2024

firstcomesl said:
2000 GMC Yukon Denali. Love my truck but, I have a problem with my key FOB. I think I'm still using original key fob. It has no range. Must be right next to driver door window before it unlocks. Maybe 2 foot range. I have cleaned all internal contacts, replaced batteries, done everything I can think of to add range. Does anyone have any suggestions. Get newer fob? Can I add antenna? Where is receiver in truck? Anyone have better range with aftermarket fob? I am interested in any suggestions. Thanks in advance.

Does "everything I can think of" include reprogramming the old one?

I don't know if it'll work, but it's free.

joe

firstcomesl · Aug 30, 2024

Thanks for your responses. I did reprogram about a year ago. I'll try again and let you know. For background, I bought this truck 7 years ago with only 100k miles on odometer. Only has 140k now. Daily driver, but less than 15-20 miles per day. After these responses I did go on amazon and purchased new fob for less than $10. Haven't got it yet, but will let you know. For 10 bucks I'll try anything. I have never gotten more than 5-6 feet of distance on this current fob. Does anyone know what distance you should expect on this type of oem fob? Maybe their efficiency falls off over age. Thanks again.

GlennSullivan · Aug 30, 2024

FYI Here is the one I purchased for my 2007 had good luck with. I never did cut the key that came with it, just programmed the FOB and attached it to my original OEM key.

Doubeleive · Aug 30, 2024

firstcomesl said:
Thanks for your responses. I did reprogram about a year ago. I'll try again and let you know. For background, I bought this truck 7 years ago with only 100k miles on odometer. Only has 140k now. Daily driver, but less than 15-20 miles per day. After these responses I did go on amazon and purchased new fob for less than $10. Haven't got it yet, but will let you know. For 10 bucks I'll try anything. I have never gotten more than 5-6 feet of distance on this current fob. Does anyone know what distance you should expect on this type of oem fob? Maybe their efficiency falls off over age. Thanks again.

oem fob should go 30-40ft
there are tons of options out there, my Viper goes up to 1 mile. with added smart start it can be done worldwide.

VIPER Remote Start + Security Systems

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homesick · Aug 30, 2024

I'm also wondering if it works any better when you're not at the house.

I've been reading, for years, about the congestion with-in the designated consumer radio frequencies. So, I wonder if there's some nearby source of interference, at the house.

joe

Doubeleive · Aug 30, 2024

homesick said:
I'm also wondering if it works any better when you're not at the house.

I've been reading, for years, about the congestion with-in the designated consumer radio frequencies. So, I wonder if there's some nearby source of interference, at the house.

joe

in the Freq spectrum that the fob use's probably not unless you are running some high power illegal ham or cb equipment
most oem fobs are in the mid 300-450mhz uhf/fm short range, similar to tpms freq
compared to my Viper which is in the 1.6~1.7ghz range

Extend range on key FOB

firstcomesl

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Big Mama

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justirv

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GlennSullivan

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homesick

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firstcomesl

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GlennSullivan

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Doubeleive

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