2018 Proterra Catalyst technical service bulletins
74 technical service bulletins and manufacturer communications cover the 2018 Proterra Catalyst.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- The procedure describes the process of updating the body controller to remove a 2.5 second delay to a door...
- Repair instructions to support transit buses when a charge shunt fails
- Repair instruction to inspect heavy duty transit vehicles for humidity in the battery pack and perform...
- Service Bulletin for upgraded battery fans on select heavy duty electric buses
- Bulletin to add shim under the steering TLP due to build variances of the bodies and bond gaps.
- Instruction to verify the BTMS chiller panels are assembled correctly, ensuring the hinge pin is secured.
- 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.
- Repair instructions for transit buses that are not TPI bodies to replace the gearbox fasteners with...
- 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.
- 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...
- Fleet Check/ Repair Instructions for the heavy duty electric transit buses, checking the gap between the...
- Transit bus update to the air in take of the air compressor to support the compressor getting clean air...
- Transit bus body composite repair at the rear door if any fiberglass is delaminating.
- Transit bus quality check on bus bodies not produced by TPI. Inspecting the steering gear bolts to ensure...
- Transit bus repair at the rear door, improve the securement of the edge trim.
- Transit bus procedure to inspect torque strips on the steering gearbox and record breakaway values then...
- Transit bus repair instructions to install a drain in the cavity where the ADA ramp sits.
- Transit bus repair to replace mudflaps behind the rear wheels
- Transit bus to the vehicles electrical and software due to the odometer losing mileage.
- Transit bus repair to upgrade the ABS controller to communicate with clever ITS ABS monitoring.
- Transit bus repair to the air compressor, the previous banjo fitting was prone to leaking, the solid drain...
- 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 the coolant system in which a bleed line is potentially allow for aeration of the...
- Transit bus repair for the gas struts on the wheel well box to no locking struts
- Transit bus repair to the aux heat coolant tubes that run under the rear door have seen corrosion
- 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 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 instruction for the charge blade on the roof of the bus to supplement the repair manual...
- Transit bus repair to the side windows due to water ingress between window and body.
- This procedure is a updates the rooftop battery thermal management system unit brackets to a more robust...
- This retrofit changes the traction motor inverter enable signal from 12 to 24 volts to improve reliability.
- 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...
- This procedure upgrades the rear flip up seat mount to a more robust design.
- Transit bus repair to reduce or eliminate power steering noise on the 35' buses.
- This campaign updates the Grayson battery thermal management system to the latest version for improved...
- This retrofit removes the 5-Position door switch and replaces it with individual front and rear door switches.
- 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...
- Due to a wiring harness change, the cord grip on the power steering motor is the wrong size, which could...
- 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.
- This procedure will replace current Air Compressor and Power Steering Variable Frequency Drive EMI Filter...
- This procedure relocates the auxiliary air tank pressure transducer and provides additional grounding for...
- This procedure will upgrade the rear clearance lights to improved energy efficiency and increased...
- This retrofit installs a diode in series with the datalogger power input to prevent voltage sags from...
- This updates the datalogger firmware to the latest version for improved communication.
- This procedure adds clips to the inverter three phase wiring to reduce EMI.
- This procedure provides improved grounding for the HVAC unit.
- This procedure checks and adjusts the front-end geometry and steering alignment for optimum performance.
- This procedure will modify the 5 Position Door Switch Bracket to make it index properly with the text...
- This retrofit installs Michelin Tires 315/80R22.5 on the axles of the bus and relocates the front ABS...
- This Technical Service Bulletin updates the vehicle Magnetek
- This Technical Service Bulletin updates the software/configuration on the Catalyst E2 Vehicle controllers...
- Technical Service Bulletin Front Axle Control Arm Retrofit (RL75EC to RL82EC) was issued to replace the...
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