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Gauges - Flutter With Tech 1 Scan Tool Connected

File in Section: 8 - Chassis/Body Electrical

Bulletin No.: 53-83-11

Date: September, 1995

INFORMATION

Subject:
Speedometer and Tachometer Gauge Flutter When Tech I Scan Tool is Connected to Data Link Connector

Models:
1995 Chevrolet Cavalier
1995 Pontiac Sunfire

The speedometer and tachometer gauges flutter when the Tech 1 scan tool is connected to the data link connector.

This is caused by the instrument panel cluster's software. This condition is normal and does not indicate a faulty instrument panel cluster.