SC-24-009
Service Bulletin/Repair Instructions
Software update for the 800vRRs Vehicle and Body Software to reduce the radiator fan current draw to 80%. Additionally corrects a bug to properly route ESM faults away from the coolant light icon.
Vehicle report
2021 PROTERRA CATALYST
Service bulletins
55 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
SC-23-176
Service Bulletin/Repair Instructions
BMS software update to the latest version. It improves current sensors performance and adjusts the isolation fault threshold value.
SC-23-054
Service Bulletin/Repair Instructions
Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake.
SC-23-062
Service Bulletin/Repair Instructions
The procedure describes the process of updating the Customer CAN Gateway to improve data retrieval on specific customer ITS equipment on ZX5 vehicles.
SC-23-082
Service Bulletin/Repair Instructions
This procedure adds improved caps to the coolant system for 800V buses.
SC-23-135
Service Bulletin/Repair Instructions
This procedure describes the process for updating the 800VRR Prodrive Vehicle, Powertrain, Body Controller, ESM and Charge Controller software to BuSCoM 2.0.
SC-23-121
Service Bulletin/Repair Instructions
This procedure describes the process for updating the Vehicle and Body Controller software to the latest version on 800v RR Prodrive buses.
SC-22-044
Service Bulletin/Repair Instructions
Bulletin instructions for rotating the ambient temp sensor 180deg on transit buses to reduce road debris from accumulating on the temp sensor.
SC-23-055
Service Bulletin/Repair Instructions
Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake..
SC-22-150
Service Bulletin/Repair Instructions
Bulletin to add shim under the steering TLP due to build variances of the bodies and bond gaps.
SC-22-001
Service Bulletin/Repair Instructions
Service Bulletin Instructions for a torque verification due to a supplier issue on the steering gearbox housing.
SC-21-149
Service Bulletin/Repair Instructions
On the transit battery electric buses it was found that some of the HV batteries had a configuration improperly set causing the battery to not balance correctly reducing the vehicles range.
FC-23-006
Service Bulletin/Repair Instructions
Repair instructions for the telemetry system on the heavy duty transit buses if the system is not reporting.
SC-21-176
Service Bulletin/Repair Instructions
Transit bus torque update to HVJB in the rear trunk of the bus.
SC-22-097
Service Bulletin/Repair Instructions
Repair instructions for ADA ramp brackets that have come debonded due to water intrusion.
SC-21-147
Service Bulletin/Repair Instructions
Transit bus repair for rear modesty panel to replace wall bracket that is prone to cracking.
FC-22-157
Service Bulletin/Repair Instructions
Fleet check repair instruction for heavy duty transit buses to inspect for connector between interlock and ATC being installed in the wrong location.
IB-23-032
Service Bulletin/Repair Instructions
Service Bulletin for an alternative coolant temp sensor for transit buses as the original sensor installed is challenging to purchase due to supply constraints.
SC-22-084
Service Bulletin/Repair Instructions
Service Bulletin Instructions for battery ancillary bay to add an external ground strap to the battery pack.
SC-22-088
Service Bulletin/Repair Instructions
Replacement connectors and upgraded heat shrink to prevent UV damage to the wiring.
SC-22-094
Service Bulletin/Repair Instructions
This Procedure describes the addition of a fitting to the fire suppression system to better secure the discharge hose.
SC-21-161
Service Bulletin/Repair Instructions
Transit bus repair at the rear doors, door seal is screw into the body. This repair procedure includes installing inserts into the body to keep seal from coming loose.
SC-22-085
Service Bulletin/Repair Instructions
Service Bulletin Instructions to update the vehicle controller software, bug fixes ands improvements to the vehicle.
SC-22-078
Service Bulletin/Repair Instructions
Instructions updating the Powertrain Controller on select Transit buses for improved powertrain performance.
SC-22-079
Service Bulletin/Repair Instructions
Instructions for a vehicle controller update on the transit buses to fix bugs and protect components, specifically overhead charging, compressor and inverter. Improving diagnostics of these units.
SC-22-073
Service Bulletin/Repair Instructions
Bulletin Instructions to switch out stanchion fittings that attach the vertical rails to ceiling system on transit buses.
SC-22-058
Service Bulletin/Repair Instructions
Bulletin to update Transit bus body controllers for improved diagnostics and two new parameters to accommodate customer requests.
SC-21-103
Service Bulletin/Repair Instructions
Repair instructions for rooftop passthrough if wires have heat damage. Related to 24V-655, prior to remedy.
SC-21-158
Service Bulletin/Repair Instructions
Transit bus repair for the ADA ramp closeout bracket on the exterior of the bus. The replacement part is made from stainless steel reducing the previous mild steel that was corroding.
SC-22-017
Service Bulletin/Repair Instructions
Service Bulletin for select transit buses to incorporate an overlay harness bus buses with high CAN noise.
SC-21-181
Service Bulletin/Repair Instructions
Transit bus inspections for shipping blocks installed in egress windows to ensure proper closing/latching.
SC-22-027
Service Bulletin/Repair Instructions
Bulletin Instruction for upgrading the body and vehicle controllers software on transit buses. Update to fault thresholds and additional parameters added from customer requests.
SC-22-003
Service Bulletin/Repair Instructions
Transit bus procedure to inspect torque strips on the steering gearbox and record breakaway values then replacing the hardware and using blue loctite to reinstall.
SC-21-170
Service Bulletin/Repair Instructions
Transit bus repair instruction for compartment for an extended latch catch.
SC-21-183
Service Bulletin/Repair Instructions
Transit bus repair instructions to install a drain in the cavity where the ADA ramp sits.
SC-21-159
Service Bulletin/Repair Instructions
Transit bus bulletin to install snorkel to air compressor to prevent water and road grim from entering the intake.
SC-21-083
Service Bulletin/Repair Instructions
Transit bus repair to horn, the horn relay is retrofitted in this document with a improved relay design.
SC-21-174
Service Bulletin/Repair Instructions
Transit bus repair on the high voltage batteries. An improper ground screw might have been installed causing the battery to go offline and reduce range of the vehicle.
SC-21-119
Service Bulletin/Repair Instructions
Transit bus repair at the front charge port compartment to update the hardware used on the hinges to be corrosion protected.
SC-21-110
Service Bulletin/Repair Instructions
Transit bus repair to the Dash wiring in which it was missing illumination on the dash when Hazards, Stop Request, and pedal adjustment when pressed. Adds power to splice pack BD050.
SC-21-139
Service Bulletin/Repair Instructions
Transit bus software update the HVAC controllers from our supplier. Adds additional protection from over current and logic for the heater safety switch faults that can occur on shutdown and restart.
SC-21-001
Service Bulletin/Repair Instructions
Transit bus repair to the wheel well compartment hinge. The compartment lid was previously bonded on, this repair instructions updates the vehicle to use fasteners as well.
SC-21-106
Service Bulletin/Repair Instructions
Transit bus software to fix bugs and reduce nuisance faults. Creates new EEPROMs for specific customer requests also updates logic for vehicles exterior lights to have cornering lights while in night mode.
SC-21-034
Service Bulletin/Repair Instructions
Transit bus repair to the air compressor, the previous banjo fitting was prone to leaking, the solid drain plug prevents compressor from losing oil.
SC-21-097
Service Bulletin/Repair Instructions
Transit bus torque verification on the 3 phase power junction box for the air compressor.
SC-20-148
Service Bulletin/Repair Instructions
Transit bus steering column maintenance document to supplement maintenance and repair manual.
SC-21-048
Service Bulletin/Repair Instructions
Transit bus fleet check to inspect the steering gearboxes and replace hardware.
SC-21-086
Service Bulletin/Repair Instructions
Transit bus software update to the batteries, charge controller and vehicle controller. Fixes coolant level LEDs, ESM updated specific parameters around temperatures and auto pack configuration.
SC-21-077
Service Bulletin/Repair Instructions
Transit bus software update to the batteries, charge controller and vehicle controller. Fixes coolant level LEDs, ESM updated specific parameters around temperatures and auto pack configuration, BMS SW resolves brick imbalance, min/max humidity levels.
SC-20-140
Service Bulletin/Repair Instructions
Transit bus repair for the rear door VIP sensors. This repair provides a clip to go behind the sensor to keep it from falling down.
SC-21-056
Service Bulletin/Repair Instructions
Transit bus repair to the HVAC, the supply air temperature sensor is being replaced to improved sealed sensor provided by our HVAC OEM. The sensor failure prevents the HVAC from running.
SC-21-045
Service Bulletin/Repair Instructions
Transit bus torque verification on the intermediate steering shaft.
SC-21-027
Service Bulletin/Repair Instructions
Transit bus repair to the rear doors, instruction provided require a new bolt to be added to the mechanism.
SC-20-159
Service Bulletin/Repair Instructions
Transit bus repair to the side windows to include a larger sealing gasket to prevent water from entering cabin.
SC-21-019
Service Bulletin/Repair Instructions
Transit vehicle repair instructions for replacing a ride height manifold due to EMI sensor failures.
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.