2023 Proterra ZX5
Safety record from NHTSA: recalls, owner complaints, investigations and service bulletins.
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Vehicles › Proterra › ZX5 › 2023
These records cover every 2023 Proterra ZX5. To see whether one car still needs a recall repair, decode its VIN or check it with NHTSA.
Service bulletins
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
- 11011362Service bulletin fleet check for the transit buses due to potential missing split blocks on DuoPower Vehicles.
- 11011320Service Bulletin for an alternative coolant temp sensor for transit buses as the original sensor installed is challenging to purchase due to supply constraints.
- 11011235Service Bulletin for Transit Vehicles to reduce the gearboxes PMI interval due to failing filters.
- 11010912Bulletin instructions for rotating the ambient temp sensor 180deg on transit buses to reduce road debris from accumulating on the temp sensor.
- 11009852HVAC Software update to increase the threshold voltage from 740v to 785v to overcome with the HV fault at 100% SOC.
- 11009086Software update to the HVAC controller due to a supplier change in isolator materials. The solution RPM changed to reduce the resonance heard in the cabin.
- 11009085Retrofitting the passenger stop request buttons to properly illuminate the sign by the driver to allow other passengers and driver that a customer would like to exit the vehicle.
- 11009070The procedure describes the process of removing the previous used parking brake tank support bracket, and reinstalling a more secured bracket.
- 11009062Relocation of the air compressors intake as well as adding a preliminary filter at the top of the air intake..
- 11007829The procedure describes the process of updating the gearboxes from a dual turn to a single turn snap ring on Duopower buses.
- 11007828This Technical Service Bulletin covers the procedure for replacing the Power Electronic Coolant Loop quick connect fittings with more durable brass fittings on 35ft ZX5.A0 buses.
- 11007827This Technical Service Bulletin covers the procedure for replacing the Power Electronic Coolant Loop quick connect fittings with more durable brass fittings for 40ft ZX5.A0 buses.
- 11007774The procedure describes the process of updating the vehicles software along with a hardware change to improve the vehicles experience and diagnostics on ZX5.A02 buses.
- 11007758The procedure describes the process of updating the vehicles software to 3.8.13 to improve the vehicles experience and diagnostics.
- 11007756The procedure describes the process of rerouting the rooftop coolant lines so the expansion tank is downstream of the HVAC chiller and lowers the pressure drop between expansion tank and pump inlet.
- 11006605The procedure describes the process of updating the PCM to latest Software to reduce improper faults.
- 11006589BMS software update to the latest version. It improves current sensors performance and adjusts the isolation fault threshold value.
- 11006312This procedure updates the BMS software to the latest version.
Every Proterra ZX5 model year
Bars are owner complaints, dots mark years with recalls. Select a year to open its report.