FCC ID CWTWB1U840
CWTWB1U840 is the FCC ID printed on the label under the fob’s battery cover — on this code we verify fit for Nissan (2012–2019). 2 (1 genuine OEM, 1 aftermarket) replacements are published, all in stock. Everything below — vehicles, original part-number cross-references, chip and frequency — comes straight from the live catalog. Wholesale for the trade; pricing unlocks with an approved account.
Cross-reference data for CWTWB1U840
Compatible vehicles
- Nissan — Leaf, Sentra, Versa
Model years 2012–2019.
Cross-references (original part numbers)
The original part numbers our CWTWB1U840 replacements match against.
- 285E3-3SG0D
Electronics
- Transponder chip
- PCF7952A / HITAG 2 / 46 CHIP
- Frequency
- 315 MHz
- Key types
- Smart Key
Quick answers — FCC ID CWTWB1U840
What vehicles use FCC ID CWTWB1U840?
FCC ID CWTWB1U840 is verified in our catalog for Nissan (Leaf, Sentra, Versa), model years 2012–2019.
What chip and frequency does CWTWB1U840 use?
CWTWB1U840 keys use the PCF7952A / HITAG 2 / 46 CHIP transponder chip and operate at 315 MHz.
Is there a replacement for CWTWB1U840?
Yes — Car Key Source stocks 2 (1 genuine OEM, 1 aftermarket) smart key replacements for FCC ID CWTWB1U840, sold wholesale to the trade with US & Canada same-day dispatch.
What original part numbers cross-reference to CWTWB1U840?
FCC ID CWTWB1U840 cross-references to original part number 285E3-3SG0D — our replacements are matched against these originals.
Aftermarket replacements for CWTWB1U840 in stock
2012-2019 Nissan Sentra Versa / 4-Button Smart Key / PN: 285E3-3SG0D / FCC ID: CWTWB1U840 (OEM)
2013-2019 Nissan Sentra Versa Leaf / 4-Button Smart Key / FCC ID: CWTWB1U840 / PN: 285E3-3SG0D (Aftermarket)
More Nissan FCC IDs we stock
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