TSB: CADILLAC BLAZER, CAMARO, CANYON, COLORADO, CRUZE, CT6, EQUINOX, MALIBU, SIERRA 1500, SILVERADO 1500, SPARK, TERRAIN, TRAX, VOLT, XT4 (2019)

Bulletin 030846004V — March 25, 2019

Bulletin Details

Bulletin ID030846004V
ManufacturerCADILLAC
ModelsBLAZER, CAMARO, CANYON, COLORADO, CRUZE, CT6, EQUINOX, MALIBU, SIERRA 1500, SILVERADO 1500, SPARK, TERRAIN, TRAX, VOLT, XT4
Model Years2019
Date IssuedMarch 25, 2019
Date Added to NHTSAApril 22, 2019
ComponentELECTRICAL SYSTEM
Vehicles Affected45 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

This informational bulletin provides information on OnStar? VCIM is currently restricted parts. By working closely with our dealers and technicians, through the part restriction process, the General Motors team will gain a better understand

Affected Vehicles

MakeModelYearComponent
CHEVROLET BLAZER 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET BLAZER 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CHEVROLET BLAZER 2019 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2019 110000 ELECTRICAL SYSTEM
CHEVROLET CAMARO 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET CAMARO 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
GMC CANYON 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC CANYON 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
GMC CANYON 2019 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2019 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CHEVROLET COLORADO 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET CRUZE 2019 110000 ELECTRICAL SYSTEM
CHEVROLET CRUZE 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CHEVROLET CRUZE 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC CT6 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CADILLAC CT6 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC CT6 2019 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2019 110000 ELECTRICAL SYSTEM
CHEVROLET EQUINOX 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CHEVROLET EQUINOX 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET MALIBU 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET MALIBU 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CHEVROLET MALIBU 2019 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
GMC SIERRA 1500 2019 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SILVERADO 1500 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CHEVROLET SILVERADO 1500 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SILVERADO 1500 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SPARK 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SPARK 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CHEVROLET SPARK 2019 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
GMC TERRAIN 2019 110000 ELECTRICAL SYSTEM
GMC TERRAIN 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TRAX 2019 110000 ELECTRICAL SYSTEM
CHEVROLET TRAX 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CHEVROLET TRAX 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET VOLT 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET VOLT 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CHEVROLET VOLT 2019 110000 ELECTRICAL SYSTEM
CADILLAC XT4 2019 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
CADILLAC XT4 2019 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC XT4 2019 110000 ELECTRICAL SYSTEM

Related CADILLAC Recalls

CampaignModelYearComponentSummary
ESCALADE 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...
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LYRIQ 2026 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER ... General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cad...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CADILLAC dealer. Bring this bulletin ID (030846004V) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.