2020 Proterra ZX5 technical service bulletins
87 technical service bulletins and manufacturer communications cover the 2020 Proterra ZX5.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Software update for the 800vRRs Vehicle and Body Software to reduce the radiator fan current draw to 80%....
- 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.
- Replaces curb side Duopower motor when failure occurs.
- This procedure describes the process for updating the 800VvRR DuoPower 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.
- 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.
- 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...
- 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...
- 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.
- Repair bulletin for the HVAC Condenser Y Pipe on certain transit vehicles.
- 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...
- 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.
- Transit bus torque update to HVJB in the rear trunk of the bus.
- DriveTrain software update to improve diagonstics and shifting for the vehicle.
- Transit bus repair to add seals around the dust covers over the top of the drive axle to prevent dust from...
- 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...
- Replacement connectors and upgraded heat shrink to prevent UV damage to the wiring.
- Service Bulletin Instructions to update the vehicle controller software, bug fixes ands improvements to...
- Transit bus repair instructions for auxiliary heat system
- Instructions for a vehicle controller update on the transit buses to fix bugs and protect components,...
- Bulletin Instructions to switch out stanchion fittings that attach the vertical rails to ceiling system on...
- 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 body composite repair at the rear door if any fiberglass is delaminating.
- 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 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 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 to replace mudflaps behind the rear wheels
- 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 repair to the wheel well compartment hinge
- Transit bus repair to the vehicles wiper switch, the switch is replaced in
- Transit bus torque verification on the HV battery grounds.
- 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 repair to the heated mat at the rear door of the vehicle to resolve sealing and securement issues.
- 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 repair instructions to the composite door header bracket if the door falls out of alignment.
- Transit bus software update to the body controller, to update the controls to have the overhead lighting...
- Transit bus repair to the exterior compartment for the LV batteries
- 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 to support adding drains to an internal cavity of the bus body to prevent water...
- Transit bus retrofit to upgrade parking brake release tank to 2.5 gallons.
- Transit bus repair for the rear door VIP sensors
- Transit bus repair to HV roof pantograph charging cables
- 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 door software update from door manufacturer to fix bugs.
- Transit bus torque verification on the intermediate steering shaft.
- 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 hvac software update as the vendor found a bug inwhich the heater could run with out running...
- Transit bus repair instructions for the duo drive axle in the event one of the wheelends fail
- Transit bus repair to the compartment hatches over each of the wheel wells
- Transit bus software update to the drivetrain controller
- Transit bus repair to modify the plumbing of the hill hold solenoid to see slightly more pressure.
- Transit bus software update to support the quarterly cadence of software upgrades
- Transit bus rear interlock solenoid retrofit to install sealed solenoid to reduce damage from road grime.
- Transit bus repair to the aux heat convectors to secure wiring harness, it was found the previous adhesive...
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