The 2019 Bolt EV is a solid electric platform with proven drive units, but it's dominated by one massive issue: the LG Chem battery fire recall that affected nearly every unit built. Beyond that, you're looking at typical EV weak points like brake calipers seizing from disuse and occasional drive unit bearing noise.
High-Voltage Battery Fire Risk / Recall Battery Replacement
Common · high severity
Symptoms: GM recall 21V-650 and 22V-024 for thermal runaway / fire risk, Battery capacity loss or range degradation triggering recall eligibility, Rare instances of smoke or fire while parked or charging, Check engine light with P1E00 codes related to battery management
Fix: Complete high-voltage battery pack replacement under recall. GM covers parts and labor at zero cost to owner, but requires appointment scheduling and 1-2 days shop time. Post-recall, you get updated battery modules with modified charging software. If out of recall window or warranty, you're looking at 6-8 hours labor for R&R.
Symptoms: High-pitched whine or hum from front axle that increases with speed, Grinding or groaning during acceleration or regen braking, Noise most noticeable at 30-50 mph on smooth roads, No loss of power but noise progressively worsens
Fix: Drive unit R&R required — you're pulling the entire motor/reduction gear assembly. Bearings aren't serviceable separately on these. Expect 5-7 hours labor for experienced EV tech. GM has issued some goodwill coverage outside warranty on early failures.
Estimated cost: $3,500-5,500
Brake Caliper Seizure from Low Use
Common · medium severity
Typical onset: 40,000-80,000 mi
Symptoms: Grinding or scraping noise when friction brakes engage, Reduced regen braking effectiveness or 'propulsion power limited' message, Uneven pad wear or brake pulsation, Parking brake won't release smoothly, Visible rust buildup on rotor edge and caliper slides
Fix: Regen does 90% of braking, so calipers sit idle and corrode. Need to pull calipers, rebuild or replace (usually replace), resurface or replace rotors, and flush fluid. Budget 2.5-3 hours for both fronts or both rears. Preventive fix: use friction brakes weekly and service fluid every 2 years regardless of mileage.
Estimated cost: $600-1,100 per axle
12V Battery Failure / Electrical Gremlins
Common · medium severity
Typical onset: 30,000-60,000 mi
Symptoms: Vehicle won't enter 'ready' mode despite full high-voltage charge, Dash warning lights, infotainment system glitches, or complete power loss, Remote start or mobile app connectivity drops out, Clicking from under hood when attempting to start, 12V battery measures below 12.2V at rest
Fix: The high-voltage system charges the 12V battery, but the AGM 12V is undersized and heat-stressed in the engine bay. Fails earlier than traditional cars. Replacement is straightforward — 0.5 hours labor, but requires programming with Tech2 or compatible scan tool to clear faults and recalibrate battery management. Use OEM or quality AGM replacement only.
Estimated cost: $250-400
Onboard Charger Failure
Occasional · high severity
Symptoms: Level 2 (240V) charging stops working entirely while DC fast charging still functions, Charging fault light illuminates or 'service vehicle soon' message, Charger makes buzzing or clicking noise but battery doesn't charge, P1F70 or P1F71 fault codes pointing to charger module
Fix: Onboard charger module lives under hood and can fail from heat or moisture intrusion. Not rebuildable — it's a sealed unit replacement. Access requires removing front fascia and coolant reservoir. Figure 3-4 hours labor. Some early 2019s were covered under extended warranty; check with GM.
Estimated cost: $2,200-3,200
Shift-to-Park Sensor Malfunction
Occasional · low severity
Typical onset: 50,000-90,000 mi
Symptoms: 'Shift to Park' message appears on dash even when vehicle is in Park, Cannot turn off or lock vehicle until message clears, Intermittent problem that may resolve after cycling ignition, Related recall (NHTSA 19V-636) addressed early units but some still fail
Fix: Sensor inside shift lever assembly detects park position. Connector corrosion or sensor wear causes false alerts. Some units got recall fix (revised wiring harness), others need sensor replaced. If harness was done, sensor replacement is 1.5 hours — requires removing center console trim.
Estimated cost: $300-550
Owner tips
Check recall completion status via GM VIN lookup — battery recall is non-negotiable before purchase
Exercise friction brakes weekly (use 'L' mode less often) to prevent caliper corrosion
Replace 12V battery every 4 years regardless of symptoms — it's cheap insurance against being stranded
Avoid repeated DC fast charging to 100% — it accelerates high-voltage battery degradation post-recall fix
Buy it if the battery recall is complete and documented — post-fix, it's a reliable commuter with low running costs, but budget for brake work and expect a 12V battery swap sooner than you'd think.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
Fitment notes: 12V auxiliary battery; located in rear cargo area; powers accessories only, not propulsion
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Every control module on the 2017-2022 Chevrolet Bolt EV — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Drive Motor Control Module (DMCM)3.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Integrated with drive motor inverter assembly, under hood on driver side
🔧 GM SPS2 / Techline Connect
⚠️ Functions as powertrain controller for electric drive motor. High-voltage system; requires EV safety certification. Often replaced as complete inverter assembly.
📍 Under hood, driver side near brake master cylinder
🔧 GM SPS2 / Techline Connect
⚠️ Integrates ABS, traction control, stability control, and regenerative braking coordination. Brake bleed and base brake test required after replacement.
⚠️ Mileage transfer required from old module or GM database.
Rear Vision Camera Module (RVCM)0.5 hr R&Rno coding
📍 Integrated with rear camera assembly, above license plate
⚠️ Plug-and-play replacement. Camera aim verification recommended.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
General Motors, LLC (GM) is recalling certain 2017-2023 Chevrolet Bolt EV vehicles. This recall includes certain vehicles previously repaired incorrectly under NHTSA recall number 22V-930. After a crash with seat belt pretensioner deployment, the pretensioner exhaust may ignite carpet fibers near the B-pillar, causing a fire.
Consequence: A fire increases the risk of injury.
Remedy: Dealers will inspect both front seat belt pretensioners and, if necessary, install metal foil at the carpet near the pretensioner exhaust. Certain vehicles will also need a pretensioner cover installed. Repairs will be performed free of charge. Owner notification letters were mailed January 24, 2024. These vehicles were previously recalled for this same issue under recall number 22V-930 and will need to have the new remedy performed. Owners may contact GM EV Concierge at 1-833-EVCHEVY (1-833-382-4389) (TTY 711 / 1-800-833-2438) or Customer Service at 1-800-222-1020. GM's number for this recall is N232421970.
STRUCTURE:BODY:ROOF AND PILLARS · 22V930000
2022-12-15
General Motors, LLC (GM) is recalling certain 2017-2023 Chevrolet Bolt EV vehicles. After a crash with seat belt pretensioner deployment, the pretensioner exhaust may ignite carpet fibers near the B-pillar, causing a fire.
Consequence: A vehicle fire can increase the risk of injury.
Remedy: Dealers will install metal foil at the carpet near the pretensioner exhaust, and install a pretensioner cover as necessary, free of charge. Owner notification letters were mailed between January 23, 2023 and April 25, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N222383790.
General Motors LLC (GM) is recalling certain 2017-2019 Chevrolet Bolt EV vehicles previously recalled under NHTSA recall number 20V-701. The high voltage battery could catch fire when charged to full or nearly full capacity.
Consequence: A battery fire increases the risk of injury.
Remedy: Owners are advised to take the following interim steps: Activate either the Hill Top Reserve (2017 and 2018 models) or Target Charge Level (2019 models) feature in their vehicle to limit the charge level to 90%, charge their vehicle more frequently, avoid depleting the battery to 70 miles range remaining, park outside after charging, and do not charge the vehicle indoors overnight. Defective battery modules will be replaced by GM, free of charge. Interim notification letters notifying owners of the safety risk were mailed on August 13, 2021. Owner notification letters were mailed on August 13, 2021. Owners may contact the Bolt EV Concierge Team at 1-833-382-4389. GM's number for this recall is N212343880.
General Motors LLC (GM) is recalling all 2017-2018 and certain 2019 Chevrolet Bolt EV vehicles. The high voltage battery could catch fire when charged to full or nearly full capacity.
Consequence: A battery fire increases the risk of injury.
Remedy: This recall has been superseded by recall number 21V-560. Vehicles previously repaired under 20V-701 will still need to have the new remedy under recall 21V-560. GM will notify owners, and as an interim repair, beginning on November 17, 2020, dealers will reprogram the hybrid propulsion control module 2 (HPCM2) to limit the full charge to 90%, free of charge. Owners are advised to activate either the Hill Top Reserve (2017 and 2018 models) or Target Charge Level (2019 models) feature in their vehicle to limit the charge level to 90%, or park outside, until the software update is completed. Owners were notified of the interim repair beginning November 17, 2020. The second notice was mailed on May 11, 2021. Owners may contact the Bolt EV Concierge Team at 1-833-382-4389. GM's number for this recall is N202311730.
LATCHES/LOCKS/LINKAGES:DOORS:LATCH · 20V184000
2020-03-26
General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Bolt EV vehicles. The door-handle cable inside the rear doors may be too long, allowing contact with the window when it is opened, possibly damaging the cable. A damaged cable may cause the rear door to open unintentionally when the rear window is opened. Additionally, it may cause the rear inside door handle to not work.
Consequence: If the rear door opens while driving, or the door handle fails to open the rear door, there is an increased risk of injury to the rear passengers.
Remedy: GM will notify owners, and dealers will replace the rear inside door-handle cables, free of charge. The recall began April 17, 2020. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is A202298320.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER · 18V576000
2018-08-30
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The rear brake caliper pistons may have an insufficient coating causing gas pockets to form, potentially reducing rear brake performance.
Consequence: A reduction of braking performance can increase the risk of a crash.
Remedy: GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is 18279.
Fuel economy (EPA)
City
128MPGe
Highway
110MPGe
Combined
119MPGe
Fuel
Electricity
Capability & size
EPA class
Small Station Wagons
Wiper blades
Hatchback body has rear wiper. Consistent 2017-2023.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2019 Chevrolet Bolt EV Electric Motor and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.