2020 Corvette: Service Bulletin: #20-NA-217: Improved Electronic Limited Slip Differential (ELSD) Calibration - (Nov 10, 2020)

2020 Corvette: #20-NA-217: Improved Electronic Limited Slip Differential (ELSD) Calibration - (Nov 10, 2020)

Subject:  Improved Electronic Limited Slip Differential (eLSD) Calibration

Brand:

Model:

Model Year:

Breakpoint Date:

Engine:

Transmission:

from

to

from

to

Cadillac

CT5

2020

2020

July 31, 2020

September 10, 2020

—

—

Chevrolet

Corvette

June 15, 2020

September 30, 2020

 

Involved Region or Country

North America

Additional Options (RPOs)

Equipped with Electronic Limited Slip Differential (G96)

Condition

Some customers may comment on one or more of the following symptoms while driving the vehicle aggressively:

  • Steering is too responsive on-center or during quick driving maneuvers.
  • Inconsistent wheel slip on corner exit or pulling into traffic.
  • Less stability on corner entry, especially with ESC/TCS turned off.

Cause

The cause of the condition may be an anomaly with the Electronic Limited Slip Differential (eLSD) software in the Brake System Control Module (BSCM).

Correction

Reprogram the BSCM with the latest calibrations.

Article ID: 1469
Created: November 11, 2020
Last Updated: November 11, 2020

Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article/2020-corvette-service-bulletin-20-na-217-improved-electronic-limited-slip-differential-elsd-calibration-nov-10-2020-1469.html