# Service bulletin 02050A

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: 10001024
- Published by NHTSA: 2003\-04\-10
- Manufacturer's number: 02050A
- Manufacturer's date: 2003\-01\-22
- Replaces: 02050
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0420/P0430 BANK\-1 / BANK\-2 CATALYST STORED. \*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

## Trouble codes named

P0420, P0430

## Vehicles listed

- 2001 INFINITI QX4

## Recalls for the same vehicles and component

- [00V410000](/recalls/nhtsa/00V410000.md), 2000-12-05: ELECTRICAL SYSTEM:IGNITION

## Other bulletins for the same vehicles and component

- [ITB13\-052E](/bulletins/11002539.md), 2024-06-28, Service bulletin: ELECTRICAL SYSTEM. INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [ITB08024C](/bulletins/10192314.md), 2021-05-10, Service bulletin: ELECTRICAL SYSTEM; AIR BAGS. SERVICE INFORMATION Information necessary to service the Supplemental Restraint System \(SRS\) safely is included in the "RESTRAINTS" section of the Electronic Service Manual \(ESM\) for each vehicle IMPORTANT: Turn the ignition switch OFF, disconnect both battery terminals, and wait at least 3 minutes before performing any service on the SRS. See this bulletin for further detail.
- [ITB98011F](/bulletins/10192191.md), 2021-05-10, Service bulletin: ELECTRICAL SYSTEM. As part of an enhanced emissions test for Inspection \& Maintenance \(I/M\), some States may require the System Readiness Test \(SRT\) status be checked. \- The SRT is used to indicate whether the engine control module \(ECM\) has completed self diagnosis of major emissions systems and components. \- In these instances the State may require completion of the SRT before permitting the emissions inspection to proceed. Refer to this Bulletin for further details.
- [ITB16\-006A](/bulletins/10190150.md), 2021-04-08, Service bulletin: ELECTRICAL SYSTEM. INFINITI; FRONT SONAR PARKING SENSOR SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [ITB09\-015h](/bulletins/10119210.md), 2017-10-15, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 12 VOLT BATTERY STORAGE AND MAINTENANCE FOR NEW VEHICLES IN RETAILER INVENTORY This bulletin has been amended throughout. Please discard all previous versions of this bulletin.
- [ITB\-11\-049\-B](/bulletins/10044526.md), 2012-07-12, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. INFINITI: REPROGRAMMING ELECTRONIC CONTROL UNIT \(ECU\) ON ALL QUALIFYING VEHICLES. NO MODELS LISTED. MODEL YEARS 1998\-2013. \*PE
- [ITB\-09\-020](/bulletins/10030145.md), 2009-08-07, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. INFINITI: ELECTRONIC CONTROL UNIT DAMAGE CAN RESULT FROM IMPROPER BATTERY CONNECTION. THE BATTERY IS REQUIRED TO STAY CONNECTED WHEN THE ENGINE IS RUNNING. NO MODEL YEARS LISTED. \*PE
- [ITB99046B](/bulletins/618437.md), 2001-04-12, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE. A CONDITION MAY EXIST WHERE THE ENGINE WILL NOT START OR INTERMITTENT NO START CONDITION IS EXPERIENCED. THIS BULLETIN DESCRIBES AND INTRODUCES NEW FEATURES OF THE VEHICLE IMMOBILIZER SYSTEM / NISSAN ANTI\-THEFT SYSTEM \(IVIS / NATS\). \*TT
- [ITB99046A](/bulletins/610385.md), 2000-04-26, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE. THIS BULLETIN DESCRIBES AND INTRODUCES NEW FEATURES OF THE INFINITI VEHICLE IMMOBILIZER SYSTEM / NISSAN ANTI\-THEFT SYSTEM \(IVS / NATS\). \*TT

JSON: [/v1/bulletins/10001024](/v1/bulletins/10001024)

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