Corvette Action Center Knowledgebase

2020 Corvette: Service Bulletin: #N202316880: Service Update - Transmission Control Module (TCM) Software Error/Mismatch - (Nov 12, 2020)

Nov 16, 2020 2020 corvette, service bulletin, N202316880, tcm, transmission, transmission control module, software, software update, ota, over the air 0 0 1833 0/5 (0 Vote)

#N202316880: Service Update - Transmission Control Module (TCM) Software Error/Mismatch - (Nov 12, 2020) Subject: N202316880 — Transmission Control Module (TCM) Software Error/Mismatch Models: 2020 Chevrolet Corvette ... Read More

2020 Corvette: GM TechLink: DTCs Set in the TCM

Oct 30, 2020 2020 corvette, gm techlink, dtcs, tcm, transmission control module, check engine light, p1967, p1968 0 0 1729 5/5 (1 Vote)

2020 Corvette: DTCs Set in the TCM October 28, 2020GM TechLink Some 2020 Corvettes may have an illuminated Check Engine MIL and a reduced engine power message on the instrument cluster with no noticeable performance issues. DTCs P1967 (Serial Data... Read More

2017 Corvette: Service Bulletin: #16-NA-404: Harsh Shift, Delayed Shift, unwanted Downshift, Transmission Stuck in One Gear, Erratic Shifting, Hesitation or Have a Malfunction Indicator Lamp (MIL) Illuminated

Apr 8, 2017 2017 corvette, service bulletin, 16-NA-404, transmission, harsh shift, delayed shift, unwanted downshift, erratic shifting, hesitation, mil, transmission control module, dtc, dtcs 0 0 1802 2/5 (1 Vote)

#16-NA-404: Harsh Shift, Delayed Shift, unwanted Downshift, Transmission Stuck in One Gear, Erratic Shifting, Hesitation or Have a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0747, P0777, P0797, P2715 or P2724 May Be Set Current or History in... Read More

2017 Corvette: Service Bulletin: #17098: Service Update - 8-Speed Transmission Check Engine Light - (Mar 23, 2017)

Mar 24, 2017 2017 corvette, service bulletin, transmission, false failure, #17098, m5u, 8l90, transmission control module, reprogram, reprogramming, tcm 0 0 1499 5/5 (1 Vote)

#17098: Service Update - 8-Speed Transmission Check Engine Light - (Mar 23, 2017) Subject: 17098 – 8-Speed Transmission Check Engine Light Models: 2017 Cadillac ATS, CTS, CT6, Escalade, Escalade ESV 2017 Chevrolet Camaro,... Read More

2015 Corvette: GM TechLink: Reprogramming Procedures for the 8L90 8-Speed Transmission

Apr 14, 2015 2015 corvette, gm techlink, 8l90, automatic transmission, transmission, reprogram, reprogramming, tcm, transmission control module, solenoid, techline information system 0 0 5155 3.67/5 (3 Votes)

Subject: Reprogramming Procedures for the 8L90 8-Speed Transmission Model and Year: 2015 Corvette, Silverado, Sierra, Yukon, Yukon XL, and Escalade Source: GM TechLink Page Number: NA Date: ... Read More

2006 - 2008 Corvette: GM TechLink: 6L80 or 6L90 Automatic Transmission Shift Conditions

Jul 3, 2014 2006 corvette, 2007 corvette, 2008 corvette, gm techlink, 6l80, 6l90, transmission, shift conditions, transmission control module, dtc p0776 0 0 2071 0/5 (0 Vote)

Source: GM Techlink Date: October 2011 Subject: 6L80 or 6L90 Automatic Transmission Shift Conditions Models: 2006 - 2008 Chevrolet Corvette Several shift conditions may be present on some 2006-2008 STS-V,... Read More

1995 Corvette: Service Bulletin: 3 - 2 Downshift Flare (Reflash Control Module)

Jul 29, 2014 1995 corvette, service bulletin, downshift, flare, reflash, control module, re-flash, 57-71-02, 4l60-e, transmission 0 0 779 0/5 (0 Vote)

Subject: 3 - 2 Downshift Flare (Reflash Control Module)Model and Year: 1995 CHEVROLET CORVETTE WITH 4L60-E TRANSMISSION (RPO M30) AND 3.07 REAR AXLE RATIO BUILT BEFORE VIN BREAKPOINT 105682Source: Chevrolet Dealer Service BulletinBulletin Number: 57... Read More

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