AutoStatsIQ
Data through Oct 2026
Model year

2022 Proterra ZX5

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recalls (6)Complaints (0)Investigations (0)Bulletins (74)
Recall campaigns covering this model year62,086 vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2022 Proterra ZX5 by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

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Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

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Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

6 recall campaigns cover the 2022 Proterra ZX5

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2022 Proterra ZX5
CampaignFiledSubjectComponentVehiclesRemedy
24V-655Sep 6, 2024Vehicle controller software may allow the electrical circuit for the radiator fan to overheatElectrical system483Software update
23V-697Oct 17, 2023Transistor inside the inverter may overheat and fail, which can result in a loss of power steering and drive powerElectrical system238Part replacement
23V-078Feb 13, 2023Windshield wiper motors may operate intermittently or may fail to operateVisibility and wipers252Part replacement
22V-855Nov 18, 2022Back pressure in the shared air exhaust for the pneumatic ride height system and parking brake control valve may engage the parking brake while…Brakes386Repair or modification
22V-829Nov 7, 2022Interlock override switch was not installed during productionElectrical system3Repair or modification
22V-114Feb 28, 2022Plexus adhesive between the torque limiter plate and the bus body may be insufficient, causing the bolts that secure the steering gearbox to loosenSteering724Repair or modification
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2022 Proterra ZX5

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    All investigations
    Service bulletins

    74 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • SC-25-015 Oct 15, 2025 · Service Bulletin/Repair Instructions
      Service bulletin outlining an EEPROM adjustment to reduce regeneration cycles, resulting in lower cabin noise and reduced operating temperatures.
    • SC-21-151 Jan 21, 2022 · Service Bulletin/Repair Instructions
      Transit bus repair to the air compressor, adding a snorkel to relocate the air intake to get cleaner air into the compressor.
    • SC-20-140 Jun 1, 2021 · Service Bulletin/Repair Instructions
      Transit bus repair for the rear door VIP sensors. This repair provides a clip to go behind the sensor to keep it from falling down.
    • SC-20-159 Mar 11, 2021 · Service Bulletin/Repair Instructions
      Transit bus repair to the side windows to include a larger sealing gasket to prevent water from entering cabin.
    • SC-21-056 May 20, 2021 · Service Bulletin/Repair Instructions
      Transit bus repair to the HVAC, the supply air temperature sensor is being replaced to improved sealed sensor provided by our HVAC OEM. The sensor failure prevents the HVAC from running.
    • SC-21-060 Sep 9, 2021 · Service Bulletin/Repair Instructions
      Transit bus rear axle cover bolt replacement. The hardware originally installed had the wrong coating for the harness road grim.
    • SC-21-087 Jun 23, 2021 · Service Bulletin/Repair Instructions
      Transit bus repair for horn relays, improved horn relay installed during retrofit.
    • SC-21-143 Jan 20, 2022 · Service Bulletin/Repair Instructions
      Transit bus repair at the battery thermal management system in which the U bracket is being replaced due to cracking.
    • SC-21-159 Jan 22, 2022 · Service Bulletin/Repair Instructions
      Transit bus bulletin to install snorkel to air compressor to prevent water and road grim from entering the intake.
    • SC-21-027 Mar 12, 2021 · Service Bulletin/Repair Instructions
      Transit bus repair to the rear doors, instruction provided require a new bolt to be added to the mechanism.
    • SC-22-115 Mar 27, 2023 · Service Bulletin/Repair Instructions
      Repair instructions for transit buses to replace the destination sign bracket hardware to nylocks.
    • SC-23-070 Sep 21, 2023 · Service Bulletin/Repair Instructions
      Transit bus body work repair instructions to support destination side delamination repair.
    • SC-21-176 Nov 8, 2022 · Service Bulletin/Repair Instructions
      Transit bus torque update to HVJB in the rear trunk of the bus.
    • SC-23-042 Jan 4, 2024 · Service Bulletin/Repair Instructions
      Transit bus harness RW to add diode inline for proper can communication.
    • SC-23-001 Mar 28, 2023 · Service Bulletin/Repair Instructions
      Transit bus repair instruction to install new fasters on the destination sign for improved durability.
    • SC-23-160 Mar 25, 2024 · Service Bulletin/Repair Instructions
      Transit bus vehicle controller software update to fix bugs and improve driver experience.
    • SC-21-103 May 24, 2022 · Service Bulletin/Repair Instructions
      Repair instructions for rooftop passthrough if wires have heat damage. Related to 24V-655, prior to remedy.
    • SC-24-014 Jul 13, 2024 · Service Bulletin/Repair Instructions
      Heavy duty transit bus software update to support bugs and enhancements for the ZX5 fleet.
    • SC-24-013 Aug 15, 2024 · Service Bulletin/Repair Instructions
      Transit bus software update to support bugs and enhancement for the fleet. As well as fault updates.
    • SC-21-149 Dec 8, 2022 · Service Bulletin/Repair Instructions
      On the transit battery electric buses it was found that some of the HV batteries had a configuration improperly set causing the battery to not balance correctly reducing the vehicles range.
    • FC-24-020 Dec 9, 2024 · Service Bulletin/Repair Instructions
      Transit Vehicle inspection of the DC cables to ensure all split blocks and swivel bundle spacers are installed.
    • FC-22-092 Aug 16, 2022 · Service Bulletin/Repair Instructions
      Fleet check/repair instructions heavy duty transit to inspect for air lines installed in the wrong order.
    • FC-23-003 Oct 2, 2023 · Service Bulletin/Repair Instructions
      Repair instruction to inspect heavy duty transit vehicles for humidity in the battery pack and perform preventative maintenance.
    • FC-23-006 Nov 29, 2022 · Service Bulletin/Repair Instructions
      Repair instructions for the telemetry system on the heavy duty transit buses if the system is not reporting.
    • SC-23-094 Jun 22, 2023 · Service Bulletin/Repair Instructions
      Inspection document of the Transit Duo Power vehicles to take a close look at the oil filters.
    • FC-23-140 Nov 21, 2023 · Service Bulletin/Repair Instructions
      Service bulletin fleet check for the transit buses due to potential missing split blocks on DuoPower Vehicles.
    • IB-22-130 Dec 13, 2022 · Service Bulletin/Repair Instructions
      Bulletin instructions for transit buses to support customers aligning vehicles to the OEM specs.
    • IB-23-032 Oct 6, 2022 · Service Bulletin/Repair Instructions
      Service Bulletin for an alternative coolant temp sensor for transit buses as the original sensor installed is challenging to purchase due to supply constraints.
    • IB-23-124 Oct 4, 2023 · Service Bulletin/Repair Instructions
      Service Bulletin for Transit Vehicles to reduce the gearboxes PMI interval due to failing filters.
    • SC-22-016 Sep 12, 2023 · Service Bulletin/Repair Instructions
      Service Bulletin for 35 foot transit bus vehicles experiencing CAN noise, overlay harness to directly connect the brake pedals power and CAN to the pedal.
    • SC-22-017 Apr 19, 2022 · Service Bulletin/Repair Instructions
      Service Bulletin for select transit buses to incorporate an overlay harness bus buses with high CAN noise.
    • SC-22-042 Sep 20, 2023 · Service Bulletin/Repair Instructions
      Repair instructions for transit buses master switch. This repair kit allows for the vehicle to transition to a 4 position master switch due to part shortages of the 5 position.
    • SC-22-044 Aug 8, 2023 · Service Bulletin/Repair Instructions
      Bulletin instructions for rotating the ambient temp sensor 180deg on transit buses to reduce road debris from accumulating on the temp sensor.
    • SC-22-058 Jun 1, 2022 · Service Bulletin/Repair Instructions
      Bulletin to update Transit bus body controllers for improved diagnostics and two new parameters to accommodate customer requests.
    • SC-22-064 Jun 22, 2022 · Service Bulletin/Repair Instructions
      Bulletin instructions to update the horns electrical relay for transit buses.
    • SC-22-073 Jun 28, 2022 · Service Bulletin/Repair Instructions
      Bulletin Instructions to switch out stanchion fittings that attach the vertical rails to ceiling system on transit buses.
    • SC-22-074 Jun 2, 2023 · Service Bulletin/Repair Instructions
      Instructions to relocate back up alarm on specific transit customer vehicles. The original orientation allowed for water to accumulate causing it to fail.
    • SC-22-078 Jul 5, 2022 · Service Bulletin/Repair Instructions
      Instructions updating the Powertrain Controller on select Transit buses for improved powertrain performance.
    • SC-22-079 Jul 5, 2022 · Service Bulletin/Repair Instructions
      Instructions for a vehicle controller update on the transit buses to fix bugs and protect components, specifically overhead charging, compressor and inverter. Improving diagnostics of these units.
    • SC-22-087 Jun 22, 2023 · Service Bulletin/Repair Instructions
      Bulletin Instructions for replacing the run switch due to the prior loosening over time.
    • SC-22-085 Jul 19, 2022 · Service Bulletin/Repair Instructions
      Service Bulletin Instructions to update the vehicle controller software, bug fixes ands improvements to the vehicle.
    • SC-22-088 Sep 27, 2022 · Service Bulletin/Repair Instructions
      Replacement connectors and upgraded heat shrink to prevent UV damage to the wiring.
    • SC-22-104 Nov 28, 2022 · Service Bulletin/Repair Instructions
      Instructions to add spacers to the aux heat tank to reduce stress acted on.
    • SC-22-119 Mar 14, 2023 · Service Bulletin/Repair Instructions
      Instruction to replace a coolant hose to the radiator with a reinforced hose.
    • SC-22-120 Oct 14, 2022 · Service Bulletin/Repair Instructions
      DriveTrain software update to improve diagonstics and shifting for the vehicle.
    • SC-22-144 Nov 12, 2022 · Service Bulletin/Repair Instructions
      Software upgrade to allow vehicle to precondition the AC while charging the vehicle.
    • SC-22-152 Nov 23, 2022 · Service Bulletin/Repair Instructions
      Update to Vehicle Controller & Charge Port B Software. These releases are a package that should be flashed together and address chargeportB functionality, ECUs sleep mode, SOC threshold calibration
    • SC-23-007 Mar 29, 2024 · Service Bulletin/Repair Instructions
      HVAC Software update to increase the threshold voltage from 740v to 785v to overcome with the HV fault at 100% SOC.
    • SC-23-012 Feb 9, 2023 · Service Bulletin/Repair Instructions
      The Vehicle Controller Software release includes Port B functionality, Pump command updates, and customer specific functionality.
    • SC-23-13 Feb 2, 2023 · Service Bulletin/Repair Instructions
      Model specific Body controller software update to v1.5.0 to satisfy customer requirements, new feature requests, and to address other improvements/bug fixes.
    • SC-23-15 Mar 3, 2023 · Service Bulletin/Repair Instructions
      Updates the body controller on select vehicles to address bugs and upgrades from the past quarter.
    • SC-23-019 Feb 15, 2023 · Service Bulletin/Repair Instructions
      Transit software update to chargeport B, to allow the vehicle to charge from two locations.
    • SC-23-030 Feb 24, 2023 · Service Bulletin/Repair Instructions
      Software update to the HVAC controller due to a supplier change in isolator materials. The solution RPM changed to reduce the resonance heard in the cabin.
    • SC-23-041 Apr 23, 2023 · Service Bulletin/Repair Instructions
      Retrofitting the passenger stop request buttons to properly illuminate the sign by the driver to allow other passengers and driver that a customer would like to exit the vehicle.
    • SC-23-043 Jul 18, 2023 · Service Bulletin/Repair Instructions
      Replaces DuoPower Drive Motor when a failure occurs on the streetside electric motor.
    • SC-23-044 May 3, 2023 · Service Bulletin/Repair Instructions
      The procedure describes the process of removing the previous used parking brake tank support bracket, and reinstalling a more secured bracket.
    • SC-23-054 Dec 11, 2023 · Service Bulletin/Repair Instructions
      Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake.
    • SC-23-055 Jul 11, 2023 · Service Bulletin/Repair Instructions
      Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake..
    • SC-23-062 Nov 27, 2023 · Service Bulletin/Repair Instructions
      The procedure describes the process of updating the Customer CAN Gateway to improve data retrieval on specific customer ITS equipment on ZX5 vehicles.
    • SC-23-079 May 24, 2023 · Service Bulletin/Repair Instructions
      This procedure describes the process for updating the 800V DuoPower Body, Vehicle and Powertrain Controllers software to the latest version.
    Source: NHTSA manufacturer communications files.
    About service bulletins