GM Sleuth

GM Issues "Important" OTA Update for 2024 Silverado EV Models

GM Issues "Important" OTA Update for 2024 Silve...

Update N25-251670 This update appeared in our 2024 Silverado EV RST First Edition on October 3rd, 2025 and appears to address some important issues on the 2024 Silverado EV.  Further...

GM Issues "Important" OTA Update for 2024 Silve...

Update N25-251670 This update appeared in our 2024 Silverado EV RST First Edition on October 3rd, 2025 and appears to address some important issues on the 2024 Silverado EV.  Further...

GM EVs Vehicle‑Wide Programming (VWP): How to Get Your Software Updates

GM EVs Vehicle‑Wide Programming (VWP): How to G...

Many GM Ultium‑based owners (Silverado EV, Sierra EV, Escalade IQ, etc.) report that dealers claim “no updates available” or charge for software upgrades that should be covered under warranty. The article explains why...

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GM EVs Vehicle‑Wide Programming (VWP): How to G...

Many GM Ultium‑based owners (Silverado EV, Sierra EV, Escalade IQ, etc.) report that dealers claim “no updates available” or charge for software upgrades that should be covered under warranty. The article explains why...

1 comment

GM Overcharged some 2026 Chevy Silverado EV own...

Customer Satisfaction Program N252521400 GM has mistakenly charged some customers for CARB emissions certification when they purchased their 2026 model year Silverado EV.  If you purchased a 2026 Silverado EV...

GM Overcharged some 2026 Chevy Silverado EV own...

Customer Satisfaction Program N252521400 GM has mistakenly charged some customers for CARB emissions certification when they purchased their 2026 model year Silverado EV.  If you purchased a 2026 Silverado EV...

GM Issues Service Update For Escalade IQ, Silverado/Sierra EV for improperly torqued control arm bolts

GM Issues Service Update For Escalade IQ, Silve...

Service Update N252507500 GM has identified an issue with certain 2025 model year Escalade IQ, Silverado EV, and Sierra EV vehicles in which the rear lower control arm bolts were...

GM Issues Service Update For Escalade IQ, Silve...

Service Update N252507500 GM has identified an issue with certain 2025 model year Escalade IQ, Silverado EV, and Sierra EV vehicles in which the rear lower control arm bolts were...

GM Investigating Reports of Super Cruise Diseng...

Bulletin No.: PIT6431 The following vehicles are part of the investigation: In some cases, customers have reported that their Super Cruise is dropping out with aDIC message indicating to take...

GM Investigating Reports of Super Cruise Diseng...

Bulletin No.: PIT6431 The following vehicles are part of the investigation: In some cases, customers have reported that their Super Cruise is dropping out with aDIC message indicating to take...

GM Is Releasing OTA updates for Silverado EV & Sierra EV

GM Is Releasing OTA updates for Silverado EV & ...

For those waiting for the infotainment update it would appear 652.40 covers that based on how its worded but this is not confirmed. See photos for what is included in...

GM Is Releasing OTA updates for Silverado EV & ...

For those waiting for the infotainment update it would appear 652.40 covers that based on how its worded but this is not confirmed. See photos for what is included in...