TSB 16C — Jeep Warranty extension
16C is a warranty extension on file with NHTSA for 2 Jeep models, 2018–2022 model years, filed and re-filed as 3 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. EMISSION RECALL – NORTH AMERICA Check Engine/Malfunction Indicator Lamp 16C The instrument panel cluster on about 32,587 of the above vehicles may have an inoperable check engine/malfunction indicator lamp (CEL/MIL). (JT) vehicles: CEL/MIL and cargo lamp indicator function are…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Worth checking your VIN against. 16C is filed as a warranty extension, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.
Vehicles and model years 16C names
| Vehicle | Model years |
|---|---|
| Jeep Gladiator | 2020, 2021, 2022 |
| Jeep Wrangler | 2018, 2019, 2020, 2021, 2022 |
Every document filed under 16C
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| 16C Combo Rev3 | August 6, 2026 | Warranty extension |
| 16C Combo REV2 | March 17, 2026 | Warranty extension |
| 16C Combo REV1 | February 14, 2026 | Warranty extension |
What 16C covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 16C?
16C is a warranty extension filed with NHTSA by Jeep, covering 2 Jeep models across the 2018–2022 model years. NHTSA's summary reads: EMISSION RECALL – NORTH AMERICA Check Engine/Malfunction Indicator Lamp 16C The instrument panel cluster on about 32,587 of the above vehicles may have an inoperable check engine/malfunction indicator lamp (CEL/MIL). (JT) vehicles: CEL/MIL and cargo lamp indicator function are…
Which vehicles does 16C cover?
NHTSA's file names Jeep Gladiator (2020–2022); Jeep Wrangler (2018–2022). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB 16C a recall, and is the repair free?
16C is filed as a warranty extension, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.
How do I get the full text of 16C?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 16C, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 16C. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.