TSB 1803903 — Jeep Service bulletin

1803903 is a service bulletin on file with NHTSA for the Jeep Cherokee, 2000–2001 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. ROUGH IDLE DUE TO HIGH AMBIENT OR HOT SOAK TEMPERATURES. THIS CONDITION MAY BE MOST NOTICEABLE WHEN THE ENGINE IS RESTARTED FOLLOWING A 10 TO 20 MINUTE HEAT SOAK IN HOT AMBIENT CONDITIONS OF APPROXIMATELY 32 DEGREES C OR HIGHER.

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

1Document filed
1Vehicle named
2Model years

Vehicles and model years 1803903 names

VehicleModel years
Jeep Cherokee 2000, 2001

Every document filed under 1803903

Document IDFiledType
1803903 November 14, 2003 Service bulletin

What 1803903 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Jeep Cherokee TSB years TSB lookup by model

Questions buyers ask

What is TSB 1803903?

1803903 is a service bulletin filed with NHTSA by Jeep, covering the Jeep Cherokee across the 2000–2001 model years. NHTSA's summary reads: ROUGH IDLE DUE TO HIGH AMBIENT OR HOT SOAK TEMPERATURES. THIS CONDITION MAY BE MOST NOTICEABLE WHEN THE ENGINE IS RESTARTED FOLLOWING A 10 TO 20 MINUTE HEAT SOAK IN HOT AMBIENT CONDITIONS OF APPROXIMATELY 32 DEGREES C OR HIGHER.

Which vehicles does 1803903 cover?

NHTSA's file names Jeep Cherokee (2000–2001). 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 1803903 a recall, and is the repair free?

No. 1803903 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 1803903?

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 1803903, 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 1803903. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.