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Chevrolet TSB #G-177384
2014 Chevrolet Impala
TSB Document:
Affected Component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- Summary
- 13324 - Customer Satisfaction. Certain vehicles may have an incorrect calibration in the instrument cluster. This will cause the speedometer needle to read 8 mph lower than the actual vehicle speed. A speedometer needle reading below zero during vehicle idle is evidence of this condition. Dealers are to inspect and, if necessary, replace the instrument cluster.
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