22-NA-151

Service Bulletin
Bulletin No.:
22-NA-151
Date:
July, 2022
TECHNICAL
Subject:
DTC P0BBD Diagnosis and Repair
This bulletin replaces PIP5850A for 2019 Model Year only.
Brand:
Model:
Chevrolet
Bolt EV
Model Year:
VIN:
from
to
from
to
2019
2019
—
—
Engine:
Transmission:
—
—
Involved Region or Country
North America, Brazil, GM Korea Company, Middle East
Condition
Some customers may comment on a Malfunction Indicator Lamp (MIL) illuminated and
the Driver Information Center (DIC) displays “Propulsion Power is Reduced” and the
battery will not charge above 30% State of Charge (SOC).
These are the remedial actions taken by the vehicle after diagnostic P0BBD fails.
Scan for DTCs and determine if P0BBD is present. If not, this bulletin does not apply.
Cause
There are some customer driving scenarios which may induce P0BBD without a true
battery cell problem.
Known cases occur at very low vehicles speeds and perhaps by applying the brake and
accelerator at the same time.
Correction
Follow the Service Procedure below to determine whether or not the customer may have
induced P0BBD.
Product Engineering has developed a programming solution for the customer driving
scenarios, which is being released by model year. Watch for updates to this bulletin as
additional model years are added.
Important: Not all instances of P0BBD will be induced by the customer and may require
replacement of the battery pack.
Service Procedure
Important: Service agents must comply with all
International, Federal, State, Provincial, and/or
Local laws applicable to the activities it performs
under this bulletin, including but not limited to
handling, deploying, preparing, classifying,
packaging, marking, labeling, and shipping
dangerous goods. In the event of a conflict between
the procedures set forth in this bulletin and the
laws that apply to your dealership, you must follow
those applicable laws.
Use GDS2 to observe the following data parameter:
Hybrid/Electric Vehicle Battery Pack Voltage Variation
Exceeded Limit - Battery Cell
This parameter is available in GDS2 by navigating to:
Module DIagnosis —> K114B Hybrid/EV Powertrain
Control Module 2 —> Data Display Folder —> Data
Display Icon —> Voltage Data
Copyright 2022 General Motors LLC. All Rights Reserved.
Page 2
July, 2022
Bulletin No.: 22-NA-151
6124692
1. If the parameter Hybrid/Electric Vehicle Battery
Pack Voltage Variation Exceeded Limit — Battery
Cell reads cell number 40, 67, or 87, then it is
suspected that the customer drives in a way that
may set P0BBD without an actual battery cell
problem. The K114B Hybrid/EV Powertrain Control
Module 2 will need to be reprogrammed to solve
this condition.
• If field action N22236940, N212343881,
N212343882, or N212345750 are open for the
vehicle being repaired, perform the open field
action, which includes programming of the
HPCM2. If none of these field actions are open,
refer to K114B Hybrid/EV Powertrain Control
Module 2: Programming and Setup in the
Service Manual.
Important: N212343881 or N212343882 must be
closed for model year 2019 vehicles, or the
programming fix will not take effect. SPS will check to
see whether the battery has been replaced.
2. If the value in GDS2 is any other cell number, then
proceed with a pack replacement. If N212343881
or N212343882 is open, perform that field action. If
those field actions are closed, follow the battery
exchange bulletin #19-NA-194, bulletin PIC6449A,
and the service procedure Drive Motor Battery
Replacement and Shipping Preparation in the
Service Manual.
For vehicles repaired under the EV Limited Component
Warranty, use the following appropriate labor operation.
Reference the Applicable Warranties section of
Investigate Vehicle History (IVH) for coverage
information. You may claim labor code 5080328 once
per VIN which set P0BBD:
Labor
Operation
Description
Labor Time
5080328
For diagnosing P0BBD
using this bulletin
0.3 hr
2810265
HPCM2 Reprogramming
with SPS
0.4 hr
Drive Motor Battery
Replacement and Shipping
Preparation
4.5 hrs
5031030
Add
Diagnosis Time (Excluding
US/Canada) - You may
claim up to the allowable
labor hours depending on
actual time to perform
diagnosis
0.0–0.3 hr
Add
Diagnosis Time (US/Canada
only) - You may claim up to
the allowable labor hours
depending on actual time to
perform diagnosis
0.0–1.0 hr
Add
Discharge High Voltage
Battery (Reduce %SOC)
0.2 hr
Add
With Engine Hoist without
Forklift for Crating
0.5 hr
Warranty Information
Important: For vehicles repaired with an open field
action, use the labor code information from that field
action and not from the repairing operations below.
Version
1
Modified
Released July 25, 2022
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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