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Service bulletin 1800503B

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10003415
Published by NHTSA2003-10-20
Manufacturer's number1800503B
Manufacturer's date2003-07-04
Replaces1800503A
NHTSA componentVEHICLE SPEED CONTROL

NHTSA's summary

TRANSMISSION SHIFT/SPEED CONTROL IMPROVEMENTS/POSSIBLE MALFUNCTION INDICATOR LAMP ILLUMINATION. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Throttle and cruise control

Vehicles listed
DODGE DAKOTA2003
DODGE DURANGO2003
DODGE RAM PICKUP2003 (the catalog's model; the bulletin names a series or trim of it)
JEEP GRAND CHEROKEE2003
JEEP LIBERTY2003

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
03V0330002003-02-05. VEHICLE SPEED CONTROL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
18015042004-05-06. Service bulletin. IDLE FLUCTUATION WHILE TURNING. *TT
1800503A2003-08-15. Service bulletin. TRANSMISSION SHIFT/SPEED CONTROL IMPROVEMENTS/POSSIBLE MALFUNCTION INDICATOR LAMP ILLUMINATION. *TT
18005032003-04-18. Service bulletin. TRANSMISSION SHIFT/SPEED CONTROL IMPROVEMENTS. *JB