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Engine Controls - Revised DTC P0502, VSS Low Input

File In Section: 6E Engine Fuel & Emissions

Bulletin No.: 71-65-49

Date: June, 1997

SERVICE MANUAL UPDATE

Subject:
Section 6E - Engine Controls - Revised DTC P0502 - Vehicle Speed Sensor Low Input (Manual Trans)

Models:
1996 Chevrolet Beretta
1996-97 Chevrolet Cavalier
1996-97 Oldsmobile Achieva
1996-97 Pontiac Grand Am, Sunfire
with 2.2L, 2.4L Engine (VINs 4, T - RPOs LN2, LD9)

This bulletin is being issued to revise the DTC P0502 Vehicle Speed Sensor Low Input (Manual Trans) table for the following Service Manuals:

^ 1996 GMP/96-L-2, Pages 169-170

^ 1996 GMP/96-J-2, Pages 186 and 566

^ 1996 GMP/96-N-2, Pages 178-179

^ 1997 GMP/97-J-2, Pages 204 and 612

^ 1997 GMP/97-N-2, Pages 196-197

In the DTC P0502 table, the Vehicle Speed Sensor resistance range should be 530 ohms to 870 ohms in the Value(s) column for steps 7, 9 and 11.

Please make these revisions in your Service Manuals.