The 2022 Bolt EV is a post-battery-recall model with improved Ultium-adjacent chemistry, but still shares the platform's known weak points in propulsion electronics and HVAC systems. As an EV, it eliminates ICE headaches but introduces electric-specific failures that can be costly.
High-Voltage Battery Pack Degradation and Thermal Management Failures
Occasional · high severity
Typical onset: 60,000-100,000 mi
Symptoms: Rapid loss of range beyond normal degradation (>20% capacity loss), Propulsion Power Reduced warning on dash, Battery conditioning system faults in cold weather, Uneven cell balancing visible in diagnostic scan
Fix: Despite the 2022 having updated cells, thermal management failures still occur. Battery replacement is typically warranty-covered under 8yr/100k mi, but out-of-warranty requires complete pack swap. Labor is 8-12 hours for removal/installation plus calibration. If under warranty, $0; if not, you're looking at used pack sourcing.
Estimated cost: $8,000-16,000
Drive Unit Bearing Noise and Failure
Occasional · high severity
Typical onset: 70,000-110,000 mi
Symptoms: Whining or grinding noise from front end during acceleration, Noise increases with vehicle speed, not tied to road surface, Metal shavings in drive unit fluid (if checked during service), Eventual Service Propulsion System message
Fix: The Bolt's single-speed transaxle uses bearings that can fail prematurely, especially in high-mileage units or those subjected to hard launches. Drive unit R&R requires lifting vehicle, disconnecting HV cables (safety protocols mandatory), and recalibration. Book time is 6-9 hours. Remanufactured units are becoming available but new from GM is the typical route.
Estimated cost: $4,500-7,500
HVAC Compressor and Heater Core Failures
Common · medium severity
Typical onset: 50,000-80,000 mi
Symptoms: No heat or A/C output despite system running, Intermittent cabin climate control, Coolant smell in cabin (heater core leak), Rapid depletion of battery range in climate use (compressor drawing excessive current)
Fix: The electric HVAC compressor and PTC heater core are known weak points. Compressor replacement requires refrigerant recovery, HV disconnect, and 4-6 hours labor. Heater core is worse—dash removal required, 8-10 hours. Parts availability can be spotty, especially for heater cores.
DC Fast Charging Port Overheating and CCS Inlet Failure
Occasional · medium severity
Symptoms: DC fast charging session terminates prematurely with error, Burnt smell or visible melting around charge port, Charge port door won't release after session, Unable to initiate fast charge, L2 charging unaffected
Fix: High-current DC sessions (especially in hot weather or with older DCFC stations) can overheat the CCS inlet contacts. Requires inlet assembly replacement, HV safety lockout, and sometimes wiring harness repair if damage spread. Labor is 3-5 hours depending on harness involvement. GM has updated parts with better thermal management.
Estimated cost: $800-1,800
12V Battery Premature Failure
Common · medium severity
Typical onset: 30,000-60,000 mi
Symptoms: Vehicle won't go into Ready mode despite HV battery charged, Accessory systems dead, no dash lights, Clicking from under hood when trying to start, Multiple phantom electrical warnings
Fix: The 12V AGM battery is tasked with running all accessories and is charged by the HV system. The Bolt's DC-DC converter can stress the 12V, causing early failure. Replacement is straightforward—0.5-1 hour labor—but the AGM battery itself is pricey ($250-350). Always check DC-DC converter output when replacing to prevent repeat failure.
Estimated cost: $300-500
Steering Rack Electronic Power Assist Faults
Rare · high severity
Typical onset: 40,000-90,000 mi
Symptoms: Power Steering Service warning on dash, Heavy steering effort, especially at low speeds, Intermittent loss of assist during turns, Grinding or binding sensation in steering wheel
Fix: The electric power steering rack can develop internal faults in the assist motor or control module. Rack replacement requires alignment and 4-6 hours labor. GM has had TSBs on connector corrosion causing false codes—always diagnose thoroughly before replacing rack. If it's just the module, repair drops to $600-900.
Estimated cost: $1,400-2,800
Owner tips
Keep 12V battery terminals clean and have DC-DC converter output tested annually—prevents most electrical gremlins
Avoid repeated max-power DC fast charging in hot weather; let battery cool between sessions to preserve inlet and pack longevity
Use L2 charging as primary method; reserve DCFC for road trips to reduce thermal stress on pack and inlet
Update infotainment and battery management software at dealer when available—GM has issued multiple reflashes addressing charge and thermal management
Check drive unit fluid level and condition every 30k mi; it's often overlooked and early detection of metal content can save the unit
Solid EV choice for under $20k used with remaining battery warranty, but budget for HVAC and 12V issues; avoid high-mileage units without service records showing drive unit inspection.
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 cargo area under floor panel; supports vehicle accessories only, not propulsion
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Every control module on the 2022-2023 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
🔧 Techline Connect
⚠️ Functions as powertrain controller for electric drive motor. High-voltage system; requires EV safety certification.
Electric Power Steering Control Module (EPSCM)2.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Integrated with steering column assembly, below instrument panel
🔧 Techline Connect
⚠️ Steering angle sensor calibration required after replacement.
⚠️ Updated digital display. Mileage transfer required from old module or GM database.
Headlamp Control Module (HCM)0.8 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Under hood, driver side near headlamp assembly
🔧 Techline Connect or Autel
⚠️ Auto high-beam calibration if equipped. Basic function available without coding.
Driver Seat Control Module (DSCM)0.8 hr R&Rrelearn only +0.2 hrwith power driver seat▸ programming details
📍 Under driver seat
🔧 Techline Connect or Autel
⚠️ Memory seat position relearn if equipped. Basic function available without coding.
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 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.
AIR BAGS:FRONTAL · 23V567000
2023-08-10
General Motors, LLC (GM) is recalling certain 2022-2023 Chevrolet Bolt EV vehicles. The instrument panel may be missing the perforation on the underside of the panel cover that allows the passenger-side air bag to deploy properly.
Consequence: An air bag that does not deploy properly in a crash increases the risk of injury.
Remedy: Dealers will replace the instrument panel, free of charge. Owner notification letters were mailed December 21, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N232414710.
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.
AIR BAGS:FRONTAL · 21V517000
2021-07-08
General Motors, LLC. (GM) is recalling certain 2022 Chevrolet Bolt EV and Bolt EUV vehicles. One of the two fasteners that secure the driver's frontal air bag to the steering wheel may be missing or improperly tightened.
Consequence: An improperly installed air bag may not deploy properly in a crash, increasing the risk of injury.
Remedy: Dealers will inspect and replace as necessary, the driver-side air bag fasteners. If the fasteners cannot be tightened properly, the air bag assembly will be replaced. All repairs will be performed free of charge. Owner notification letters were mailed on July 29, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N212340860.
Fuel economy (EPA)
City
131MPGe
Highway
109MPGe
Combined
120MPGe
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 2022 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.