TSB 21-027-26 — Jeep Service bulletin
21-027-26 is a service bulletin on file with NHTSA for the Jeep Cherokee, 2017–2019 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Two Speed Power Transfer Unit Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ? C1494-07 - PTU Fork Position-Mechanincal Failures. Customers m
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 21-027-26 names
| Vehicle | Model years |
|---|---|
| Jeep Cherokee | 2017, 2018, 2019 |
Every document filed under 21-027-26
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 |
|---|---|---|
| 21-027-26 REV. A | April 11, 2026 | Service bulletin |
| 21-027-26 | April 8, 2026 | Service bulletin |
What 21-027-26 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 21-027-26?
21-027-26 is a service bulletin filed with NHTSA by Jeep, covering the Jeep Cherokee across the 2017–2019 model years. NHTSA's summary reads: Two Speed Power Transfer Unit Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ? C1494-07 - PTU Fork Position-Mechanincal Failures. Customers m
Which vehicles does 21-027-26 cover?
NHTSA's file names Jeep Cherokee (2017–2019). 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 21-027-26 a recall, and is the repair free?
No. 21-027-26 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of 21-027-26?
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 21-027-26, 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 21-027-26. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.