# Service bulletin 020847002

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: 634517
- Published by NHTSA: 2002\-10\-03
- Manufacturer's number: 020847002
- Manufacturer's date: 2002\-07\-01
- NHTSA component: ELECTRICAL SYSTEM:IGNITION:MODULE

## NHTSA's summary

THIS BULLETIN IS BEING ISSUED TO REVISE DIAGNOSTIC TROUBLE CODES B1552, B1556 AND B1558. \*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

## Trouble codes named

B1552, B1556, B1558

## Vehicles listed

- 2000 to 2002 CADILLAC ELDORADO

## Other bulletins for the same vehicles and component

- [090102](/bulletins/629674.md), 2002-04-04, Service bulletin: ELECTRICAL SYSTEM:IGNITION:MODULE. CONCERNS WITH DIAGNOSTIC CODES P0420, CONVERTER EFFICIENCY, P0121 TPS PERFORMANCE AND P0133 AND P0153, O2 SENSOR SLOW RESPONSE. \*TT
- [010603009](/bulletins/627688.md), 2002-02-13, Service bulletin: ELECTRICAL SYSTEM:IGNITION:MODULE. INFORMATION REGARDING SERVICE ELECTRICAL SYSTEM MESSAGE DISPLAYED. \*YH

JSON: [/v1/bulletins/634517](/v1/bulletins/634517)

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