The 2020 Bolt EV is a solid electric commuter with one catastrophic issue overshadowing everything else: LG Chem battery fire risk requiring full pack replacement under recall. Beyond the battery drama, these are mechanically simple EVs with occasional drive unit bearing noise and typical GM electrical gremlins.
High-Voltage Battery Fire Risk / Premature Capacity Loss
Common · high severity
Symptoms: GM recall notices for fire risk during charging or at full charge, Premature range loss beyond normal degradation (10-20% capacity drop), Battery module fault codes, check EV system light, Software limiting charge to 80% or 90% as interim mitigation
Fix: Complete high-voltage battery pack replacement under GM recall 21V-650, 22V-024. Covered by recall at $0 to owner, but wait times were 6-12 months at peak. Shop labor would be 8-12 hours if paid privately. LG Chem manufacturing defects caused separator tears leading to thermal runaway. All 2017-2022 Bolts affected.
Estimated cost: $0 (recall) / $16,000-18,000 if out of pocket
Electric Drive Unit Bearing Whine / Failure
Occasional · medium severity
Typical onset: 70,000-120,000 mi
Symptoms: High-pitched whine or grinding from front axle during acceleration, Noise increases with speed, not tied to regen braking, Vibration through floorboards at highway speeds, Loss of propulsion if bearing fails completely (rare)
Fix: Drive unit R&R required, bearings not serviceable separately. 6-8 hours labor to drop and replace entire motor/gearbox assembly. Some covered under 8yr/100k powertrain warranty if still valid. Remanufactured units available but scarce in aftermarket.
Estimated cost: $3,500-5,500
OnStar / 4G LTE Connectivity Module Failure
Occasional · low severity
Symptoms: OnStar services non-functional, cannot remote start via app, Wi-Fi hotspot not working, Infotainment system slow to boot or freezes, Inability to access vehicle data remotely
Fix: Replace Telematics Communication Unit (TCU) behind glovebox. 1.5-2 hours labor including programming/activation. GM part only, no aftermarket substitute. Some failures related to 3G sunset transition issues.
Estimated cost: $600-900
12-Volt Battery Premature Failure
Common · medium severity
Typical onset: 40,000-70,000 mi
Symptoms: Vehicle will not enter Ready mode despite high-voltage battery charged, Accessories dead, no interior lights or dash, Clicking from contactors under hood when trying to start, Warning messages about service 12V battery system
Fix: Replace 12V AGM battery in rear cargo area. EVs are hard on 12V systems due to constant parasitic draws. 0.5 hours labor, but many owners don't realize EVs still need 12V battery replacement. Must register new battery with vehicle computer on some model years.
Estimated cost: $250-400
Charge Port Door Actuator Failure
Occasional · low severity
Typical onset: 60,000-100,000 mi
Symptoms: Charge port door will not open electrically, Manual release cable required every charging session, Door opens but will not close/latch, Intermittent operation in cold weather
Fix: Replace charge port door actuator motor. Access from inside driver's front fender liner, 1.5-2 hours labor. Plastic gears strip over time. Manual release cable remains functional as backup.
Symptoms: Shifter buttons unresponsive or require multiple presses, Cannot shift out of Park despite brake pedal pressed, Shift-to-Park warning even when in Park, Recall 22V-333 for software issue preventing Park engagement
Fix: Usually software reflash via GM TIS2Web, 0.5 hours labor. Physical shifter assembly replacement if buttons mechanically failed, 2-3 hours. Some cases covered under recall, others warranty-dependent. Unlike traditional shifter cables, this is purely electronic.
Check battery recall status via GM VIN lookup before purchase—verify pack was actually replaced, not just software-limited
Maintain 12V battery health with trickle charger if car sits unused for weeks—EVs drain 12V constantly for computers
Avoid repeated DC fast charging to 100% if battery has not been replaced—heat accelerates degradation on original packs
Keep OnStar subscription active at least temporarily after purchase to ensure 4G module is functioning
Inspect charge port door for smooth operation during test drive—manual release is tedious long-term
Buy only if battery recall completed and documented—otherwise it's a $16K liability waiting to happen; post-recall these are reliable cheap EVs with low operating costs.
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.
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General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Bolt EV and 2022 Bolt EUV vehicles previously repaired under Recall 21V-650. The installation of advanced diagnostic software may have failed. As such, 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: Set the Target Charge Level 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. Dealers will reinstall advanced diagnostic software, free of charge. Owner notification letters were mailed December 3, 2024. Owners may contact the Bolt EV Concierge Team at 1-833-382-4389. GM's number for this recall is N242470160.
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Bolt EV and 2022 Chevrolet Bolt EUV vehicles that were previously remedied under recall number 21V-650. The advanced diagnostic software may have been incorrectly installed and fail to detect defective battery modules, possibly resulting in a battery fire.
Consequence: A battery fire increases the risk of injury.
Remedy: Owners are advised to take the following interim steps: Set the Target Charge Level 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. Dealers will reinstall the advanced diagnostic software, free of charge. Owner notification letters were mailed on August 1, 2024. Owners may contact the Bolt EV Concierge Team at 1-833-382-4389. GM's numbers for this recall are N242443000 and N242443002.
STRUCTURE:BODY:ROOF AND PILLARS · 23V845000
2023-12-14
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 2020-2022 Chevrolet Bolt EV and 2022 Chevrolet Bolt EUV 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: Owners are advised to take the following interim steps: Set the Target Charge Level 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. Owner notification letters were mailed on October 1, 2021 and June 23, 2023. Owners may contact the Bolt EV Concierge Team at 1-833-382-4389. This recall is an expansion of NHTSA recall 21V-560. GM's number for this recall is N212345940.
SEAT BELTS · 20V811000
2020-12-23
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.
Consequence: If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.
Remedy: GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202322230.
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER · 20V808000
2020-12-22
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV vehicles. These vehicles may have an improperly cast front left brake caliper that can fracture during a high-pressure braking event.
Consequence: If a brake caliper fractures and brake fluid is lost, the vehicle may experience reduced brake performance, increasing the risk of a crash.
Remedy: GM will notify owners, and dealers will inspect the casting lot number on the front left brake caliper and replace it if necessary, free of charge. The recall began January 29, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202321400.
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.
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