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Service bulletin 01028

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 id628310
Published by NHTSA2002-03-07
Manufacturer's number01028
Manufacturer's date2001-12-13
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

ADVANCE SERVICE INFORMATION INVOLVING INOPERATIVE BODY CONTROL MODULES (BCM). *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

Electrical system, Ignition

Vehicles listed
JEEP GRAND CHEROKEE1999

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
90042752023-01-09. Service bulletin. KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicle, use the "AC" NIC level part and submit a part warranty.
90042752022-09-26. Service bulletin. KEY, Master If replacing the key/FOBIK on a WJ, KJ, TJ, or PT Cruiser, use the "AC" NIC level part number. The "AB" NIC level will not program to these platforms. For all other platforms, if the "AB" NIC level will not program to the vehicle, use the "AC" NIC level part and submit a part warranty.
1835981999-02-02. Service bulletin. EXHIBITING MIL ILLUMINATION WITH DTC $ 12 (P0443) - EVAPORATIVE PURGE SOLENOID CIRCUIT FAILURE, CAN BE CAUSED BY ELECTRICAL NOISE GENERATED THROUGH THE IGNITION SWITCH. *AK