2.4L Eng VIN T No Start - Reprogram Pcm (77-65-16)

WARNING: This page is about the Achieva SC, 2.4 T, Automatic, 4T40E/MN4, which is a different variant/trim than selected.

Publication date: 1997-05-01
Reference number: 77-65-16

2.4L ENG VIN T NO START - REPROGRAM PCM

TECHNICAL SERVICE BULLETIN

Reference Number(s): 77-65-16

NO START CONDITION (REPROGRAM PCM)

Model(s): 1997 Buick Skylark

1997 Chevrolet Cavalier, Malibu

1997 Oldsmobile Achieva

1997 Pontiac Sunfire, Grand Am

(all above with 2.4L engine (VIN Code T - RPO

LD9)

Section: 6E - Engine Fuel & Emission

Bulletin Number: 77-65-16

Date: May, 1997

CONDITION

Some vehicles with the above condition may exhibit a no start condition caused by ignition module failure. This failure results in a loss of spark to the ignition coil for cylinders 2 and 3.

VEHICLES INVOLVED

Involved are certain 1997 J-Car and N-Car models equipped with the 2.4L (RPO LD9) VIN Engine Code T engine, that fall within the following VIN breakpoints:

VIN INFORMATION

Year	Division	Model	Plant	Plant Code	VIN Through & Including
1997	Chevrolet	Cavalier	Lordstown	7	V7270408
1997	Chevrolet	Cavalier	Ramos Arizpe	S	VS860305
1997	Chevrolet	Cavalier	Genasys	B	VB106296
1997	Chevrolet	Malibu	Wilmington	Y	WY111519
1997	Chevrolet	Malibu	Oklahoma City	6	V6150466
1997	Oldsmobile	Achieva	Lansing	M	VM332831
1997	Buick	Skylark	Lansing	C	VC441332
1997	Pontiac	Grand Am	Lansing	M	VM54B603
1997	Pontiac	Grand Am	Lansing	C	VC813606
1997	Pontiac	Sunfire	Ramos Arizpe	S	VS860528
1997	Pontiac	Sunfire	Genasys	B	VB205185
1997	Pontiac	Sunfire	Lordstown	7	V7580797

CAUSE

A voltage feedback condition in the ignition module caused by random voltage spikes in the vehicle electrical system may cause the control circuitry in the Ignition module to be damaged.

CORRECTION

Install a new Ignition Module, and reprogram the PCM with the revised calibration that prevents the voltage spikes from reaching the ignition module. This calibration is available on CD-ROM #6 and later versions .

CALIBRATION NUMBERS

Use the correct calibration from the list below.

CHEVROLET CAVALIER, PONTIAC SUNFIRE CALIBRATION NUMBERS INFORMATION

Engine & Transmission	New Usage Calibration Number	Old Calibration Number	Usage
LD9 & Manual Transmission	16259753	16254783	LD9 / MJ1 / NF2 (Federal Emissions)
LD9 & Manual Transmission	16259763	16254793	LD9 / MJ1 / NB6 (Calif. Tier 1 Emissions)
LD9 & Manual Transmission	16259773	16254803	LD9 / MJ1 / K29 (Unleaded Export Canada)
LD9 & Manual Transmission	16259783	16254813	LD9 / MJ1 / NM2 (Leaded Export Emissions)
LD9 & Manual Transmission	16259793	16254373	LD9 / MJ1 / NA8 (Mexico Emissions)
LD9 & Automatic Transmission	16259803	16254823	LD9 / MN4 / NF2 (Federal Emissions)
LD9 & Automatic Transmission	16259813	16254833	LD9 / MN4 / NB7 (Calif. Tiev Emissions)
LD9 & Automatic Transmission	16259823	16254843	LD9 / MN4 / K29 (Unleaded Export Canada)
LD9 & Automatic Transmission	16263163	16254853	LD9 / MN4 / NM2 (Leaded Export Emissions)
LD9 & Automatic Transmission	16259843	16254383	LD9 / MN4 / NA8 (Mexico Emissions)

OLDSMOBILE ACHIEVA, PONTIAC GRAND AM, BUICK SKYLARK CALIBRATION NUMBERS INFORMATION

Engine & Transmission	New Usage Calibration Number	Old Calibration Number	Usage
LD9 & Manual Transmission	16259863	16254873	LD9 / MJ1 / NF2 (Federal Emissions)
LD9 & Manual Transmission	16259873	16254883	LD9 / MJ1 / NB6 (Calif. Tier 1 Emissions)
LD9 & Manual Transmission	16259883	16254893	LD9 / MJ1 / K29 (Unleaded Export Canada)
LD9 & Automatic Transmission	16259893	16254903	LD9 / M13 / NF2 (Federal Emissions)
LD9 & Automatic Transmission	16259913	16254913	LD9 / M13 / NB7 (Calif. Tiev Emissions)
LD9 & Automatic Transmission	16259923	16254923	LD9 / M13 / K29 (Unleaded Export Canada)
LD9 & Automatic Transmission	16259933	16254933	LD9 / M13 / K29 (Japan Emissions)

CHEVROLET MALIBU CALIBRATION NUMBERS INFORMATION

Engine & Transmission	New Usage Calibration Number	Old Calibration Number	Usage
LD9 & Automatic Transmission	16259943	16257443	LD9 / MN4 / NF2 (Federal Emissions)
LD9 & Automatic Transmission	16259953	16257453	LD9 / MN4 / NB7 (Calif. Tiev Emissions)
LD9 & Automatic Transmission	16259963	16257463	LD9 / MN4 / K29 (Unleaded Export Canada)
LD9 & Automatic Transmission	16259973	16257473	LD9 / MN4 / NM2 (Leaded Export Emissions)

WARRANTY INFORMATION

For vehicles repaired under warranty, use:

Labor Operation No.: J4410 - Ignition module, replace.

Labor Time: 0.3 hr.

Labor Operation No.: J6355 - Prom Reprogramming (On Car).

Labor Operation No.: J6352 - Prom Reprogramming (Off Car).

Labor Time: 0.4 hr - (diagnosis time up to 0.7 hr depending

on actual time performing diagnosis.)