TSB 18-044-26 — Chrysler, Dodge and Jeep Service bulletin
18-044-26 is a service bulletin on file with NHTSA for 9 Chrysler, Dodge and Jeep models, 2014–2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0111-00 - Intake Air Temperature Sensor 1 Circuit…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 18-044-26 names
| Vehicle | Model years |
|---|---|
| Chrysler 300 | 2019, 2020, 2021, 2022, 2023 |
| Chrysler Pacifica | 2017 |
| Dodge Challenger | 2019, 2020, 2021, 2022, 2023 |
| Dodge Charger | 2019, 2020, 2021, 2022, 2023 |
| Dodge Durango | 2014, 2015, 2016, 2017, 2018, 2019 |
| Jeep Cherokee | 2019, 2020, 2021, 2022, 2023 |
| Jeep Gladiator | 2020, 2021 |
| Jeep Grand Cherokee | 2019, 2020 |
| Jeep Wrangler | 2018, 2021 |
Every document filed under 18-044-26
| Document ID | Filed | Type |
|---|---|---|
| 18-044-26 | March 21, 2026 | Service bulletin |
What 18-044-26 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 18-044-26?
18-044-26 is a service bulletin filed with NHTSA by Chrysler, Dodge and Jeep, covering 9 Chrysler, Dodge and Jeep models across the 2014–2023 model years. NHTSA's summary reads: Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0111-00 - Intake Air Temperature Sensor 1 Circuit…
Which vehicles does 18-044-26 cover?
NHTSA's file names Chrysler 300 (2019–2023); Chrysler Pacifica (2017); Dodge Challenger (2019–2023); Dodge Charger (2019–2023); Dodge Durango (2014–2019); Jeep Cherokee (2019–2023); Jeep Gladiator (2020–2021); Jeep Grand Cherokee (2019–2020); Jeep Wrangler (2018, 2021). 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 18-044-26 a recall, and is the repair free?
No. 18-044-26 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 18-044-26?
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 18-044-26, 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 18-044-26. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.