WenmarOpen by Wenmar Pro

Service bulletin 181497

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 id51961
Published by NHTSA1997-07-17
Manufacturer's number181497
Manufacturer's date1997-05-09
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

ROUGH RUNNING ENGINE WITH HEX CODES $28, $6A, $9B OR $BA. *TW

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

Electrical system, Ignition

Vehicles listed
JEEP GRAND CHEROKEE1997
JEEP WRANGLER1997

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

Other bulletins for the same vehicles and component
1848981999-02-04. Service bulletin. SUBJECT REGARDING IGNITION SYSTEM CROSS FIRE/ SECONDARY IGNITION WIRE INDUCTION. *AK
1821981998-08-12. Service bulletin. SERVICE CAUTION ON POWERTRAIN CONTROL MODULE ( PCM ). *YC
0801971997-06-27. Service bulletin. JTEC POWERTRAIN CONTROL MODULE WIRING HARNESS CONNECTOR REPAIR PACKAGES. *JD