# Service bulletin 21

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.

- Type: Service bulletin
- NHTSA id: 10020115
- Published by NHTSA: 2006\-07\-22
- Manufacturer's number: 21
- Manufacturer's date: 2006\-05\-01
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

THE SOFTWARE PROGRAMMED INTO THE BODY CONTROL MODULE MAY CAUSE THE BATTERY TO DISCHARGE AND PREVENT THE VEHICLE FROM STARTING UNDER CERTAIN CONDITIONS. CUSTOMER SATISFACTION NOTIFICATION F21 \- REPROGRAM BODY CONTROL MODULE. \*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

## Vehicles listed

- 2006 JEEP LIBERTY

## Recalls for the same vehicles and component

- [2015163](/recalls/tc/2015163.md), 2015-04-16: Electrical
- [07V089000](/recalls/nhtsa/07V089000.md), 2007-03-09: ELECTRICAL SYSTEM
- [06V036000](/recalls/nhtsa/06V036000.md), 2006-02-09: ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD

## Other bulletins for the same vehicles and component

- [9004275](/bulletins/10229256.md), 2023-01-09, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
- [9004275](/bulletins/10221686.md), 2022-09-26, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. 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.
- [08\-049\-20](/bulletins/10175735.md), 2020-05-26, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
- [SB\-18\-014\-09](/bulletins/10030347.md), 2009-09-23, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). CHRYSLER/JEEP: FLASH: ESP SYSTEM MAY PREMATURELY ACTIVATE MOMENTARILY WHEN NEGOTIATING A CURVE OR MIL ILLUMINATION DUE TO DIAGNOSTIC TROUBLE CODE P0340, P0344 OR P0116. THIS INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE \(PCM\) WITH NEW SOFTWARE. \*PE UPDATED 5/24/10. \*PE
- [1800906](/bulletins/10019630.md), 2006-04-12, Service bulletin: ELECTRICAL SYSTEM. ENHANCED TORQUE CONVERTER AND GLOW PLUG OPERATION OR BRAKE SWITCH DTC P0504. \*TT
- [06002](/bulletins/10019267.md), 2006-02-23, Service bulletin: ELECTRICAL SYSTEM. FLASH TCM AND ECM TO IMPROVE TORQUE CONVERTER OPERATION. \*TT
- [05035](/bulletins/10018724.md), 2006-01-11, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. RAPID RESPONSE TRANSMITTAL SERVICE ACTION TEST AND REPLACE BATTERY AS NECESSARY. \*TS

JSON: [/v1/bulletins/10020115](/v1/bulletins/10020115)

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