2021 Proterra ZX5 technical service bulletins
103 technical service bulletins and manufacturer communications cover the 2021 Proterra ZX5.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Transit Vehicle inspection of the DC cables to ensure all split blocks and swivel bundle spacers are...
- Software update for the 800vRRs Vehicle and Body Software to reduce the radiator fan current draw to 80%....
- BMS software update to the latest version
- This procedure updates the BMS software to the latest version.
- Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake.
- Service bulletin fleet check for the transit buses due to potential missing split blocks on DuoPower Vehicles.
- This procedure describes the process for updating the 800VvRR DuoPower Vehicle, Powertrain, Body...
- This procedure describes the process for updating the 800VRR Prodrive Vehicle, Powertrain, Body...
- Service Bulletin for Transit Vehicles to reduce the gearboxes PMI interval due to failing filters.
- Repair instruction to inspect heavy duty transit vehicles for humidity in the battery pack and perform...
- Transit bus body work repair instructions to support destination side delamination repair.
- Repair instructions for transit buses master switch
- Service Bulletin for 35 foot transit bus vehicles experiencing CAN noise, overlay harness to directly...
- This procedure describes the process for updating the Vehicle and Body Controller software to the latest...
- Bulletin instructions for rotating the ambient temp sensor 180deg on transit buses to reduce road debris...
- Replaces DuoPower Drive Motor when a failure occurs on the streetside electric motor.
- Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake..
- Inspection document of the Transit Duo Power vehicles to take a close look at the oil filters.
- The procedure describes the process of replacing the overhead bracket and brackets between hat bracket...
- Instructions to relocate back up alarm on specific transit customer vehicles
- The procedure describes the process of updating the gearboxes from a dual turn to a single turn snap ring...
- This procedure describes the process for updating the 800V DuoPower Body, Vehicle and Powertrain...
- Transit bus repair for the ADA ramp brackets, new method to secure the interior body mounting brackets for...
- Transit bus air compressor inspection to verify if failed compressor is can be repaired or rebuilt.
- Bulletin to add shim under the steering TLP due to build variances of the bodies and bond gaps.
- Transit bus repair instruction to install new fasters on the destination sign for improved durability.
- Repair instructions for transit buses to replace the destination sign bracket hardware to nylocks.
- Instruction to replace a coolant hose to the radiator with a reinforced hose.
- Updates the body controller on select vehicles to address bugs and upgrades from the past quarter.
- Service Bulletin Instructions for a torque verification due to a supplier issue on the steering gearbox...
- DuoPower Axle Shaft Failure repair procedure due defective batch of shafts.
- Transit bus repair to the overhead destination sign, the replacement frame includes extra gussets in the...
- Bulletin to update ADA ramp software
- Bulletin instructions for transit buses to support customers aligning vehicles to the OEM specs.
- On the transit battery electric buses it was found that some of the HV batteries had a configuration...
- Repair instructions for the telemetry system on the heavy duty transit buses if the system is not reporting.
- Instructions to add spacers to the aux heat tank to reduce stress acted on.
- Inspection and repair instructions for heavy duty transit buses specifically looking at brake lines due to...
- Software upgrade to allow vehicle to precondition the AC while charging the vehicle.
- Transit bus torque update to HVJB in the rear trunk of the bus.
- Repair instructions for ADA ramp brackets that have come debonded due to water intrusion.
- DriveTrain software update to improve diagonstics and shifting for the vehicle.
- Transit bus repair for rear modesty panel to replace wall bracket that is prone to cracking.
- Fleet check repair instruction for heavy duty transit buses to inspect for connector between interlock and...
- Service Bulletin for an alternative coolant temp sensor for transit buses as the original sensor installed...
- Service Bulletin Instructions for battery ancillary bay to add an external ground strap to the battery pack.
- Replacement connectors and upgraded heat shrink to prevent UV damage to the wiring.
- Transit bus repair, retrofit adds guard to prevent horn from accumulating road debris.
- This Procedure describes the addition of a fitting to the fire suppression system to better secure the...
- Fleet check and repair instructions for the heavy duty electric transit vehicles to ensure the door...
- Fleet check/repair instructions heavy duty transit to inspect for air lines installed in the wrong order.
- Transit bus repair at the rear doors, door seal is screw into the body
- Service Bulletin Instructions to update the vehicle controller software, bug fixes ands improvements to...
- Instructions for a vehicle controller update on the transit buses to fix bugs and protect components,...
- Instructions updating the Powertrain Controller on select Transit buses for improved powertrain performance.
- Bulletin Instructions to switch out stanchion fittings that attach the vertical rails to ceiling system on...
- Bulletin instructions to update the horns electrical relay for transit buses.
- Bulletin to update Transit bus body controllers for improved diagnostics and two new parameters to...
- Repair instructions for rooftop passthrough if wires have heat damage
- Transit bus repair for exterior compartments gas strut brackets
- Transit bus repair for the ADA ramp closeout bracket on the exterior of the bus
- Service Bulletin for select transit buses to incorporate an overlay harness bus buses with high CAN noise.
- Transit bus inspections for shipping blocks installed in egress windows to ensure proper closing/latching.
- Bulletin Instruction for upgrading the body and vehicle controllers software on transit buses
- Transit bus repair to the prodrive harness wrong terminal sizes were used
- Transit bus repair to exterior connectors that were not sealed, repair instructions to add sealed...
- Transit bus procedure to inspect torque strips on the steering gearbox and record breakaway values then...
- Transit bus repair instruction for compartment for an extended latch catch.
- Transit bus repair instructions to install a drain in the cavity where the ADA ramp sits.
- Transit bus bulletin to install snorkel to air compressor to prevent water and road grim from entering the...
- Transit bus repair to the air compressor, adding a snorkel to relocate the air intake to get cleaner air...
- Transit bus repair at the battery thermal management system in which the U bracket is being replaced due...
- Service Bulletin for transit vehicles to offset the ride height manifold to prevent the manifold from...
- Transit bus repair on the high voltage batteries
- Pin location change on an ECU to properly assign both doors open signal and the horn relay signal.
- Transit bus powertrain software update to support the product to shift smoothly and reduce nuisance faults.
- Transit bus software update the HVAC controllers from our supplier
- Transit bus software update to the body controller, when flashing the EEPROMs were auto setting to 238 not...
- Transit bus repair to the wheel well compartment hinge
- Transit bus repair to the vehicles wiper switch, the switch is replaced in
- Transit bus repair for rooftop coolant line that was collapsing reducing coolant flow.
- Transit bus software to fix bugs and reduce nuisance faults
- Transit bus repair to the air compressor, the previous banjo fitting was prone to leaking, the solid drain...
- Transit bus rear axle cover bolt replacement
- Transit bus torque verification on the 3 phase power junction box for the air compressor.
- Transit bus steering column maintenance document to supplement maintenance and repair manual.
- Transit bus fleet check to inspect the steering gearboxes and replace hardware.
- Transit bus software update to the batteries, charge controller and vehicle controller
- Transit bus repair to the rear mud flaps to eliminate a gap to reduce road grime from entering the rear...
- Transit bus repair for horn relays, improved horn relay installed during retrofit.
- Transit bus software update to the batteries, charge controller and vehicle controller
- Transit bus repair for the rear door VIP sensors
- Transit bus repair to the HVAC, the supply air temperature sensor is being replaced to improved sealed...
- Transit bus reliability improvement for the air intake of the auxiliary heater to intake fresher air.
- Transit bus torque verification on the intermediate steering shaft.
- Transit bus repair to the rear doors, instruction provided require a new bolt to be added to the mechanism.
- Transit bus repair to the side windows to include a larger sealing gasket to prevent water from entering...
- Transit bus drive axle retrofit to replace a lock washer on the transmission.
- Transit vehicle software update to the body controller and vehicle controller
- Transit bus repair to a coolant line under the rear hatch
- Transit vehicle repair instructions for replacing a ride height manifold due to EMI sensor failures.
- Transit bus repair instructions for the duo drive axle in the event one of the wheelends fail
- Transit bus repair to the aux heat convectors to secure wiring harness, it was found the previous adhesive...
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