2019 Proterra Catalyst technical service bulletins
146 technical service bulletins and manufacturer communications cover the 2019 Proterra Catalyst.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Repair instructions for PP1 valve to prevent the parking brake from engaging while the vehicle is kneeling...
- The procedure describes the process of updating the body controller to remove a 2.5 second delay to a door...
- Software update for the 800vRRs Vehicle and Body Software to reduce the radiator fan current draw to 80%....
- Repair instructions to support transit buses when a charge shunt fails
- 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 adds improved caps to the coolant system for 800V buses.
- 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...
- 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.
- Transit bus repair instruction for the drivers workplace driver barrier catch pole
- 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.
- Repair bulletin for the HVAC Condenser Y Pipe on certain transit vehicles.
- Updates the body controller on select vehicles to address bugs and upgrades from the past quarter.
- Bulletin to update ADA ramp software
- 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...
- Transit bus torque update to HVJB in the rear trunk of the bus.
- Transit bus repair to the electrical cabinet behind the drivers area
- Repair instructions for ADA ramp brackets that have come debonded due to water intrusion.
- Procedure to replace traction motor due to a quality issue from supplier.
- DriveTrain software update to improve diagonstics and shifting for the vehicle.
- 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.
- Transit bus repair at the rear doors, door seal is screw into the body
- Fleet Check/ Repair Instructions for the heavy duty electric transit buses, checking the gap between the...
- 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,...
- 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...
- Transit bus update to the air in take of the air compressor to support the compressor getting clean air...
- 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 to stanchion floor mount to better dampen the stanchion system.
- Transit bus repair for exterior compartments gas strut brackets
- Transit bus repair for the ADA ramp closeout bracket on the exterior of the bus
- Transit bus repair at the rear door, improve the securement of the edge trim.
- 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...
- Pin location change on an ECU to properly assign both doors open signal and the horn relay signal.
- 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 to the vehicles electrical and software due to the odometer losing mileage.
- 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 for rooftop coolant line that was collapsing reducing coolant flow.
- Transit bus repair to the Hadley ride height adding a check valve to the exhaust side of the the interlock...
- Transit bus repair to replace a fitting on the fire suppression system that has potential to chaff against...
- Transit bus repair at the rear hatch of the vehicle
- 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 repair to replace the 5 position door switch with a more robust door selector switch.
- Transit bus repair to the aux heater drain plug for sizing and material appears the bill of materials...
- Transit bus repair to relocate the front interlock muffler to prevent road grime from clogging the vent.
- Transit bus software update to the body controller, to update the controls to have the overhead lighting...
- Transit bus repair to the coolant system in which a bleed line is potentially allow for aeration of the...
- Transit bus repair to the exterior compartment for the LV batteries
- Transit bus retrofit to supply constant power to the telemetry device to improve data collection and...
- Transit bus repair for the gas struts on the wheel well box to no locking struts
- 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 to the aux heat coolant tubes that run under the rear door have seen corrosion
- 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 HVAC software upgrade to improve performance of the Eberspaecher unit.
- Transit bus repair in the HVJB if excess heat is seen on the output for the BTMS heater.
- Transit bus repair to the exterior compartment panels to include a larger latch catch to support tolerance...
- 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 front and rear door software update provided from the door vendor.
- 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 repair to the air dryer governor switch due to the original not performing as well with the...
- Transit bus repair to the defroster unit to add an additional temp sensor to have a back up for...
- Transit bus repair to horn, the horn relay is retrofitted in
- 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 to replace the pressure switch with a sealed version to prevent unintended shifts to...
- 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 repair instruction for the charge blade on the roof of the bus to supplement the repair manual...
- Transit bus software update to the drivetrain controller
- Transit bus software update to increase regen in default drive and low modes to promote efficient driving
- Transit bus repair to the defroster ducting hoses, adds fasteners to prevent ducting from slipping off.
- 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...
- Transit bus repair to the side windows due to water ingress between window and body.
- Transit bus repair to the ADA ramp as the ramp was not deploying to ground level.
- The reason for this software update is to the vehicle controller to the latest software version.
- This procedure updates the Powertrain software to the latest version for improved powertrain performance
- This procedure adds electromagnetic interference filters to the variable frequency drive systems on the...
- The reason for this software update is to update various controllers to the latest state of the art software
- This procedure updates the overhead charge switch to the correct labeling.
- This retrofit adds reflective tape to the front of the bus to comply with California state regulations.
- This retrofit removes an unnecessary bleed line in the coolant system that may lead to air entrapment and...
- Transit bus software update to the HVAC VFD Inverter, software patch to reduce the max operation to...
- This retrofit replaces the shims on the side windows to obtain an improved portal seal to prevent leakage.
- Updating the defroster software to regulate temperature and mode more accurately.
- Transit bus repair to reduce or eliminate power steering noise on the 35' buses.
- Routine software update to controllers on Catalyst 800V. Includes changes to DWP/Dash Software, Body...
- This procedure updates the battery management system software to the latest version, addressing diagnostic...
- Transit bus repair to the coolant reservoir to prevent damage to the expansion tanks on the roof.
- This procedure relocates the parking brake pressure switch to prevent unintended shifts to neutral.
- Transit bus software upgrade to the body, vehicle and dash controllers to improve diagnostic fault...
- This campaign corrects a supplier issue with the wiring of current transducers in the high voltage...
- Transit bus software update to the HVAC provided by the vendor due to the ability to heat with no cabin...
- This campaign updates the Grayson battery thermal management system to the latest version for improved...
- This retrofit installs a resistor in parallel with the ADA Alarm to prevent it from sounding when the ADA...
- The reason for this software update is to update various controllers
- The brackets and latches holding the lid on the 35ft Catalyst E2 clamshell covering rooftop components can...
- Voltage sags are causing the datalogger to reset, losing data used for monitoring and servicing the vehicles
- The brackets and latches on 40ft Catalyst buses holding the lid on the clamshell covering rooftop...
- Pin placement in the dash DMUXK connector was incorrect and caused the ICAN network to be improperly...
- A software error was causing a false state of charge calculation, shutting off the DC to DC converter,...
- This procedure changes the wiring for the radiator for improved reliability.
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