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Service bulletin 151200

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 id617787
Published by NHTSA2001-03-27
Manufacturer's number151200
Manufacturer's date2000-12-15
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

SUBJECT REGARDING DIAGNOSTIC TROUBLE CODE P1871 ON VEHICLES EQUIPPED WITH A 8.1-LITER GAS ENGINES AND THE ALLISON LCT1000 TRANSMISSION. IT HAS BEEN FOUND THAT THIS CODE EXISTS ON UNITS WITH LOW BATTERY VOLTAGE DURING ENGINE CRANKING DUE TO A LOW STATE OF CHARGE IN THE BATTERY. *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, 12-volt battery

Trouble codes named

P1871

Vehicles listed
CHEVROLET CHEVROLET
GMC GMC

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