1Find the release and remove the metal key
Press or slide the release on the fob and pull out the emergency metal key to reveal the opening slot.
FREE REPAIR GUIDERam 1500
Ram 1500
Key Fob Battery replacement.
A little guidance for your next fix. Follow these steps to key fob battery replacement for your Ram 1500.
DIFFICULTYVery easy
ESTIMATED TIME~5 min
TOOLSCoin or small flat screwdriver
POTENTIAL SAVINGS$20–50Labour estimate · varies
Know what you’re replacing.
If your Ram 1500 remote only works up close or the dash says the key battery is low, swap the coin cell. It costs a few dollars and no reprogramming is needed for a battery change on most fobs.
What you’ll need.
Coin cell batteryRead the code on your old cell — common types are CR2032 and CR2450 · ~$6
View on Amazon →
Plastic pry toolAvoids scratching the fob · ~$6
View on Amazon →As an Amazon Associate, RepairAI may earn from qualifying purchases. Confirm fitment for your exact year, engine and trim before buying.
A little preparation first.
- Ram 1500 fobs vary by year and trim (smart key vs flip key). Open yours first and read the battery code before buying.
- Work over a table so small parts don't roll away.
One step at a time.
2Split the case
Insert a coin or small flat screwdriver in the slot and twist gently around the seam.
3Note the battery
Check which side faces up and read the code.
4Insert the new battery
Remove the old cell and press the new one in the same way up.
5Close and test
Snap the halves together, refit the key, and test lock, unlock and start.
Log in 
Troubleshooting
Still not workingThe battery may be upside down or a contact bent.'Key not detected'Hold the fob against the start button or in the backup slot (see owner's manual).
FAQ
How long does it last?Usually 2–4 years.Do I need the dealer?Not for a battery swap on most fobs.
General guidance only. Procedures vary by year, engine and trim; if unsure, consult a qualified mechanic or your owner’s manual.