Manufacturer-backed comparison · Exact vehicle codes
Chevrolet Silverado 1500 Smart Key & Remote Battery by Chassis Code
Which battery is used in the documented key system? Compare actual published manufacturer references for 3 exact Chevrolet Silverado 1500 chassis codes. Values can differ across drivetrain, trim and production period.
3documented chassis
2distinct published answers
1source documents
2026-11-06latest evidence review
Before applying a specification
View all Chevrolet Silverado 1500 chassis →Confirm the engineering configuration
Different key or remote variants may ship with different coin cells even within the same model family. Match the actual fob, not just the vehicle name.
Year ranges here describe the cited chassis coverage, not every option sold under the same model name worldwide. The actual service manual and fitted equipment take precedence.
Source-linked answers
Smart Key & Remote Battery: chassis comparison
Open the original exact-code answer to see the manufacturer reference and full caveat.
| Exact code | Documented years | Key battery reference | Manufacturer source |
|---|---|---|---|
| Silverado 1500 Custom 4WD Crew Cab Short Bed CK10543 1CX L3B MFC MY2025 US | 2025 | CR2450 lithium or equivalent battery; insert positive side facing up ↗ | General Motors ↗Checked 2026-11-06 |
| Silverado 1500 LT 4WD Crew Cab Short Bed CK10543 2FL L3B MFC MY2025 US | 2025 | CR2450 lithium or equivalent battery; insert positive side facing up ↗ | General Motors ↗Checked 2026-11-06 |
| Silverado 1500 LZ0 MY2025 US | 2025 | CR2450 lithium or equivalent remote-key battery; install positive side up. ↗ | General Motors ↗Checked 2026-11-03 |
Documented differences
Which codes share an answer?
Grouped by exact published text. Similar wording is not treated as proof of identical equipment.
Reviewable evidence
Source scope and important caveats
Chevrolet Silverado 1500 Silverado 1500 Custom 4WD Crew Cab Short Bed CK10543 1CX L3B MFC MY2025 US — Smart-key battery ↗
Published answer: CR2450 lithium or equivalent battery; insert positive side facing up
Own-model remote-key battery replacement instruction.
Applicability: Silverado 1500 Custom 4WD Crew Cab Short Bed CK10543 1CX L3B MFC MY2025 US only. US MY2025 Silverado 1500 Custom equipment group 1CX, model CK10543 4WD Crew Cab; standard L3B/MFC verified in own-model order-guide Mechanical column E and MY2025 VIN p.30. No sibling trim, optional-engine, cab/box, year or market inference.
General Motors manufacturer reference · General Motors · Manufacturer reference ↗
Chevrolet Silverado 1500 Silverado 1500 LT 4WD Crew Cab Short Bed CK10543 2FL L3B MFC MY2025 US — Smart-key battery ↗
Published answer: CR2450 lithium or equivalent battery; insert positive side facing up
Own-model remote-key battery replacement instruction.
Applicability: Silverado 1500 LT 4WD Crew Cab Short Bed CK10543 2FL L3B MFC MY2025 US only. US MY2025 Silverado 1500 LT equipment group 2FL, model CK10543 4WD Crew Cab; standard L3B/MFC verified in own-model order-guide Mechanical column H and MY2025 VIN p.30. No sibling trim, optional-engine, cab/box, year or market inference.
General Motors manufacturer reference · General Motors · Manufacturer reference ↗
Chevrolet Silverado 1500 Silverado 1500 LZ0 MY2025 US — Smart-key battery ↗
Published answer: CR2450 lithium or equivalent remote-key battery; install positive side up.
CR2450 lithium or equivalent remote-key battery; install positive side up. Verified against the exact US MY2025 manufacturer manual.
Applicability: Silverado 1500 LZ0 MY2025 US. Applies to the remote key illustrated in this model manual; verify the key fitted.
General Motors manufacturer reference · General Motors · Manufacturer reference ↗