Ram ProMaster City key fob battery
4 of the 8 model years listed for the Ram ProMaster City have a proven battery. The most common answer is CR2032. Rows below run oldest to newest; a year can appear twice when the car came with more than one kind of key.
- 2015-2018Flip key
CR2032
FCC ID LTQF12AM433TXTwo sites agree: uhs-hardware.com and clksupplies.com (checked Nov 1, 2026)
Find CR2032 on Amazon - 2019Flip key
Not confirmed yet
- 2020-2022Unknown
Not confirmed yet
Changing the battery
Flip key
- Swing the key blade open first. On most flip keys the cell lives in the body behind the hinge.
- Some flip keys have a screw on the back; others just clip. Remove the screw if there is one, then pry gently at the seam.
- Swap the coin cell, keeping the same face up as the one you removed, and do not bend the metal contact tab.
- Clip the body closed, fold the blade, and test the buttons from a few steps away.
A CR2032 is 20 mm across and 3.2 mm thick. CR2032, CR2025 and CR2016 share the same width but not the same thickness, so a swap between them can leave a loose contact or a case that will not close.
Coin cells are a choking and burn hazard for children. Store the spares in their original pack, out of reach.