2021 Proterra Catalyst technical service bulletins
55 technical service bulletins and manufacturer communications cover the 2021 Proterra Catalyst.
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%....
- BMS software update to the latest version
- Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake.
- The procedure describes the process of updating the Customer CAN Gateway to improve data retrieval on...
- This procedure adds improved caps to the coolant system for 800V buses.
- This procedure describes the process for updating the 800VRR Prodrive Vehicle, Powertrain, Body...
- 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...
- Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake..
- Bulletin to add shim under the steering TLP due to build variances of the bodies and bond gaps.
- Service Bulletin Instructions for a torque verification due to a supplier issue on the steering gearbox...
- 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.
- 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.
- 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.
- This Procedure describes the addition of a fitting to the fire suppression system to better secure the...
- 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 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 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 bulletin to install snorkel to air compressor to prevent water and road grim from entering the...
- Transit bus repair to horn, the horn relay is retrofitted in
- Transit bus repair on the high voltage batteries
- Transit bus repair at the front charge port compartment to update the hardware used on the hinges to be...
- Transit bus repair to the Dash wiring in which it was missing illumination on the dash when Hazards, Stop...
- Transit bus software update the HVAC controllers from our supplier
- Transit bus repair to the wheel well compartment hinge
- 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 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 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 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 vehicle repair instructions for replacing a ride height manifold due to EMI sensor failures.
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