TSB 18-039-20 — Chrysler, Dodge and Jeep Service bulletin

18-039-20 is a service bulletin on file with NHTSA for 11 Chrysler, Dodge and Jeep models, 2010–2011 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
11Vehicles named
2Model years

Vehicles and model years 18-039-20 names

VehicleModel years
Chrysler 200 2010
Chrysler PT Cruiser 2010
Chrysler Sebring 2010, 2011
Dodge Challenger 2010
Dodge Charger 2010
Dodge Dakota 2010, 2011
Dodge Grand Caravan 2010
Jeep Commander 2010
Jeep Grand Cherokee 2010
Jeep Liberty 2010
Jeep Patriot 2010

Every document filed under 18-039-20

Document IDFiledType
18-039-20 April 21, 2020 Service bulletin

What 18-039-20 covers

Fuel system — the component vocabulary NHTSA files this communication under.

← All Chrysler 200 TSB years TSB lookup by model

Questions buyers ask

What is TSB 18-039-20?

18-039-20 is a service bulletin filed with NHTSA by Chrysler, Dodge and Jeep, covering 11 Chrysler, Dodge and Jeep models across the 2010–2011 model years. NHTSA's summary reads: Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season

Which vehicles does 18-039-20 cover?

NHTSA's file names Chrysler 200 (2010); Chrysler PT Cruiser (2010); Chrysler Sebring (2010–2011); Dodge Challenger (2010); Dodge Charger (2010); Dodge Dakota (2010–2011); Dodge Grand Caravan (2010); Jeep Commander (2010); Jeep Grand Cherokee (2010); Jeep Liberty (2010), and 1 more vehicle listed on this page. 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 18-039-20 a recall, and is the repair free?

No. 18-039-20 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 18-039-20?

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 18-039-20, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 18-039-20. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.