17-NA-129

Bulletin No.: 17-NA-129
Date: Apr-2017
Subject:
Propulsion Power Reduced Message Displayed and/or DTC B2A00 Set
Brand:
Model:
Chevrolet
Bolt EV
Model Year:
VIN:
from
to
2017
2017
from
Engine:
Transmission:
All
All
to
Involved Region or Country
North America, South Korea
Condition
Some customers may comment on a Propulsion Power Reduced message displayed and or a Service
Driver Door Switch message displayed and One-Pedal Driving disabled, regardless of seatbelt and driver
door position.
During diagnosis a technician may find DTC B2A00 set or stored in history.
Cause
This may be due to calibration concern within the Drive Motor Power Inverter Module.
Correction
Update the Drive Motor Power Inverter Module Software to the latest calibrations.
Parts Information
No parts needed for this condition.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation
Description
Labor Time
2810295
Drive Motor Power Inverter Module Reprogramming with SPS
Use Published Labor Operation
Time
Service Procedure
Important: Stable battery voltage is critical during programming. Any fluctuation, spiking, over voltage or loss of voltage will interrupt programming. Install the
EL-49642 SPS Programming Support Tool to maintain system voltage. If not available, connect a fully charged 12 V jumper or booster pack disconnected from
the AC voltage supply. DO NOT connect a battery charger.
Reprogram the Hybrid Powertrain Control Module. Refer to Hybrid Powertrain Control Module Programming and Setup in SI.
Version
1
Modified
1
GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may
occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools,
safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that
your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.
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