2019 GMC Sierra 1500 Electrical System Problems
Owners filed 110 electrical system complaints on the 2019 GMC Sierra 1500, 16% of all complaints for the year, with a median failure mileage of 5,000. NHTSA also lists a recall (19V888000) for a battery positive cable issue that can cause an electrical short.
- Electrical System complaints
- 110
- 16% of 671
- Crashes reported
- 1
- Fires reported
- 3
- Injuries reported
- 1
- Median mileage
- 5,000 mi
- Related recalls
- 1
Typical electrical symptoms owners report
- In cold weather below about 20 degrees Fahrenheit, the instrument cluster and infotainment screen display false emergency and error codes that repeatedly reset and reappear.
- Owners describe phantom trailer-disconnection warnings and cross-traffic, lane-keeping, and pedestrian-sensor alerts flashing every few seconds even when no trailer is attached.
- Multiple owners report the infotainment and driver information screens flashing on and off, cutting audio in and out, and distracting drivers at night.
- Some owners report headlights flickering violently at any speed, described by a dealer as normal but worsening over time.
- One owner reported dashboard warnings for brake system failure, trailer brake, service ESC, and steering assist illuminating together with a soft brake pedal.
- A stationary truck caught fire with no clear cause identified, and another owner reported an electrical burning smell and smoke from under the glove compartment while driving.
When 2019 GMC Sierra 1500 electrical complaints were filed
First complaint Dec 10, 2018, latest Sep 20, 2026.
Electrical System recalls for the 2019 GMC Sierra 1500
- NHTSA 19V888000Dec 12, 2019Electrical System350,371 vehicles
Electrical system:12v/24v/48v battery:cables
General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. The battery positive (B+) cable rings may have been manufactured with excessive glue, potentially causing an intermittent electrical connection between the B+ cable and alternator.
Risk: An intermittent electrical connection between the B+ battery cable and the alternator could cause the vehicle to stall, increasing the risk of a crash. The intermittent connection could also lead to electrical arcing, which could generate sufficient heat to damage surrounding material, increasing the risk of a fire.
Remedy: GM will notify owners, and dealers will inspect for the presence of glue or other contamination at the B+ cable attachment to the alternator and clean the connection and reattach the B+ cable connection, as necessary. If arcing has damaged the cable, nut, or alternator, the dealer will replace the damaged components. All services will be performed free of charge. GM issued owners an interim notification on February 4, 2020. GM issued second notice and the recall began March 9, 2019. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N192273510.
Electrical System complaints by Sierra 1500 model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many electrical system complaints does the 2019 GMC Sierra 1500 have?
- NHTSA lists 110 electrical system complaints for the 2019 Sierra 1500, which is 16% of all 671 complaints filed for that model year.
- Is there a recall for the 2019 GMC Sierra 1500 electrical system?
- Yes, recall 19V888000 covers the battery positive (B+) cable, which may have excess glue that can cause an internal issue; it is not a do-not-drive or park-outside recall.
- At what mileage do electrical problems typically appear?
- NHTSA data shows a median failure mileage of 5,000 miles for electrical system complaints on this model year.
- Have there been any fires linked to electrical issues?
- NHTSA records 3 fire incidents and 1 crash among the complaints in this problem area, along with 1 injury.
- What electrical symptoms do owners describe most?
- Owners commonly describe flickering headlights, flashing infotainment and cluster screens, and false trailer-disconnection or safety-system alerts, especially in cold weather.