TSB 21-041-26 — Jeep Service bulletin
21-041-26 is a service bulletin on file with NHTSA for the Jeep Wrangler, 2021–2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 21-041-26 names
| Vehicle | Model years |
|---|---|
| Jeep Wrangler | 2021, 2022 |
Every document filed under 21-041-26
| Document ID | Filed | Type |
|---|---|---|
| 21-041-26 | May 15, 2026 | Service bulletin |
What 21-041-26 covers
Transmission & drivetrain — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 21-041-26?
21-041-26 is a service bulletin filed with NHTSA by Jeep, covering the Jeep Wrangler across the 2021–2022 model years. NHTSA's summary reads: Transmission Auxiliary Oil Pump Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0B0D-00 - Electric/Auxiliary Transmission Fluid Pump Motor Control Module. Customers…
Which vehicles does 21-041-26 cover?
NHTSA's file names Jeep Wrangler (2021–2022). 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 21-041-26 a recall, and is the repair free?
No. 21-041-26 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 21-041-26?
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 21-041-26, 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 21-041-26. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.