20-NA-132 Service Bulletin/Repair Instructions

Bulletin No.: 20-NA-132
Service Bulletin
Date: October, 2024
WARRANTY ADMINISTRATION

Subject:

Attention:
Brand:
Warranty Administration – 12V Battery Testing and Warranty Replacement

Requirements (U.S and Canada ONLY)

This bulletin applies ONLY to the U.S. and Canadian markets. Reference

the Applicable Warranties section of Investigate Vehicle History (IVH) for

Coverage Information.

Model:
Model Year:
Breakpoint:
from
to
from
to
2010
2025
—
—
Engine:
Transmission

:
—
—
BrightDrop

Buick

Cadillac

Chevrolet
Passenger

Cars and

Trucks

(including

Medium Duty)
GMC
Note: This bulletin excludes Corvette E-Ray. The E-Ray 12-volt lithium-ion battery cannot be tested and does not

require a warranty code.

Involved Region or Country
United States and Canada Only
The Midtronics GR8 (EL-50313) or DCA (DCA-8000P) Battery Tester/Charger, or the E-XTEQ Diagnostic Charge

Battery Station/DCBS (EL-52800) must be used in diagnosing battery replacements and maintaining batteries on

new vehicles in dealer inventory. A Warranty Code on the printed test result slip are decodable by GM to capture

critical information on batteries that require replacement. This code must be entered on the warranty transaction

(see below for details). Codes will be 15-digits with GR8, 16 digits with DCA, or 20 digits with DCBS.

Important: A copy of the battery test result printout and the job card must be returned with each battery requested

by the Warranty Parts Center. Failure to include both documents may result in a debit.
Copyright 2024 General Motors. All Rights Reserved.
Page 2
October, 2024
Bulletin No.: 20-NA-132
Midtronics GR8 Example: English and French-Canadian Versions
6593312
Midtronics DCA Example: English and French-Canadian Versions
6593319
Bulletin No.: 20-NA-132
October, 2024
Page 3
DCBS Example: English and French-Canadian Versions
6312471
6312472
Note: Only diagnostic tests performed by the DCBS Trolley will generate a warranty code. Tests using the DCBS

remote will not generate a warranty code.

1 and 2 shown above is an example of a battery test slip that is ACCEPTABLE for support on a warranty battery

replacement which contains the warranty code (1) and show the Diagnostic tool (Trolley) (2).

3 and 4 shown above is an example of a battery test slip that is NOT ACCEPTABLE for support on a warranty

battery replacement which contains no warranty code (3) and showing the Diagnostic tool (Remote) (4).

Important: Only Warranty Codes generated by approved equipment using current software, are valid for batteries

replaced under warranty. Warranty Codes generated by past versions of software, or the old hand-held tester are not

valid.
Page 4
October, 2024
Bulletin No.: 20-NA-132
12V Battery Testing

When testing 12V batteries, always follow current Service Information (SI) procedures for Battery Inspection/Test,

including:

• Ensure that the GR8, DCA, or DCBS is programmed with the dealerships correct 6-digit BAC code. This code

will then appear at the top of all battery test result printouts.

• Disconnect the battery from the vehicle. When using the GR8, select the “Out of Vehicle” test.

• Enter the correct VIN and Job Card Number.

• Select the proper battery type (Flooded or AGM) and CCA rating. If you are unable to determine battery type

and CCA through visual inspection, refer to Service Information to identify 2019 and newer model year OEM

battery types and CCA ratings. After entering the VIN or Year/Make/Model, locate the 12V Battery Usage table

under General Information/General Information/Specifications. Battery information is also included in Techlink

(https://gm-techlink.com) in the “Reference Charts” section and includes 2016-2018 model years.

Important: Selecting the correct battery type and CCA rating during setup will ensure correct test results and

prevent damage to the battery. If using a DCBS, it is recommended to use the VIN scan feature which will automatically populate the battery type. Battery replacements performed as a result of a failure to properly set up the GR8/

DCBS will be subject to chargeback.

Note: There are 2 common types of battery CCA Ratings; EN CCA & SAE CCA. EN is a European Standard and

SAE is a North American Standard. Dealers are to use the SAE number when testing 12V batteries.

• On vehicles with two batteries, including Stop/Start vehicles with Auxiliary batteries, each battery must be

electrically isolated and charged individually. The Auxiliary battery may not be connected in a manner that will

allow both batteries to be charged at the same time and must be charged individually, which will result in two

printouts.

• When testing a vehicle with two batteries, you must identify the correct specifications for each. Specifications

may differ between a primary and auxiliary battery.

Cold Battery Testing – Battery Temperature at Less Than 0°C (32°F)

Notice: Batteries that are deeply discharged will take an extended time to recharge. Batteries that are cold (below

freezing) can falsely fail testing. Batteries that are cold and deeply discharged must first be warmed to above 4°C

(40°F) prior to testing & charging.

When a 12 Volt battery is cold (below freezing), its capacity starts to reduce. This can be observed in the voltage

level of the battery, as well as measured cold cranking amps. A cold battery is also resistant to charging. The colder

the battery, the more these characteristics are affected. Therefore, warm the battery prior to testing. Longer warming

times will be needed depending on how cold the battery is. External surface temperatures are not reliable for determining actual battery temperature, measure at multiple points for best results.

Note: If you suspect that a battery may be frozen, inspect the case for cracks prior to charging. Do not charge a

frozen battery.
Tool Software Updates

Dealers are responsible for having the latest software installed prior to tool use.

• For the DCBS, refer to owner manual instructions for software update instructions. The DCBS must be

connected to a computer with Optimus every 30 days to prevent lock out of the remote. Update the software

when available; if no software update is available, the remote will automatically unlock and reset the 30-day.

• GR8 must be equipped with software version 192-675P_July_2017 or newer.

• For the DCA, software updates are pushed over the air upon the software release. If a tool is left plugged in

overnight and is connected to Wi-Fi, the tool will automatically apply the update. If it is not left plugged in

overnight, the tool will provide the user a notification to allow them to manually apply the update or for information so they can apply the update when there is time and not interrupt a service event. The DCA will launch

on Revision A which can be verified on the version screen within settings.

Battery replacement transactions involving of batteries tested with outdated software are subject to debit.
Bulletin No.: 20-NA-132
October, 2024
Page 5
Proactive Alerts

On connected vehicles, GM is able to evaluate the condition of the battery and report the state of health to the

customer through the Vehicle Diagnostics Report and/or to the dealer through the Multi-Point Inspection screen on

Service Workbench. Technicians may also validate alerts by using the Scan Tool through Vehicle Diagnostics/

Vehicle Proactive Alerts.

Level of testing based on Indicator:

• Green – No issues are detected with the battery, and it is unlikely the component will require replacement at this

time. For customer concerns, follow standard diagnostic procedures. A battery test and “replace battery” test

result IS REQUIRED prior to battery replacement.

• Yellow – Verify proactive alert SAC002 – SAC005 and follow the diagnostic service procedure for the applicable

code. A battery test and “replace battery” test result IS REQUIRED prior to battery replacement.

• Red – Verify proactive alert SAC001 and follow the service procedure for this code. If proactive alert SAC001 is

present, replace battery. A battery test IS NOT REQUIRED. Transactions involving battery replacement due to

SAC001 are not eligible for Diagnostic Add Time and dealers must enter “SAC001” in the Battery Tester Code

field.

• No Indicator/Blank – Either the battery condition is not available on the vehicle, or there is not enough information to make a determination on the condition of the battery. For customer concerns, follow standard

diagnostic procedures. A battery test and “replace battery” test result IS REQUIRED prior to battery

replacement.
New Vehicle Inventory

If a new vehicle arrives at your dealer from transportation that will not start due to a discharged or defective battery,

the claim must be submitted within one week of the vehicle arrival at the dealer. Vehicle delivery documentation must

be provided when submitting the transaction.

Once a vehicle is in dealer inventory, dealers are responsible for battery maintenance up to the point of delivery to

the customer. Refer to Service Bulletin # 21-NA-043 for requirements on properly maintaining vehicles in

dealer inventory and Service Bulletin # 22-NA-115 Battery Maintenance Report FAQs.

Dealers in the U.S. Only

• U.S. dealers are to utilize the Battery Maintenance Report located in the GlobalConnect Dealer Maxis app to

identify vehicles in dealer inventory that require charging or moving. Dealers should perform required actions

within 7 days of the report using the process identified in Service Bulletin # 21-NA-043 and 22-NA-115 Battery

Maintenance Report FAQs.

• If a vehicle requiring charging per the Battery Maintenance Report fails the initial test, retain the test printout and

RETEST, again using the required “Diagnostic Charge” (GR8 or DCA) or “Diagnostic – Trolley” (DCBS) process.

The retest is covered as follows:

− If upon retest the battery PASSES, the vehicle can be returned to inventory. Dealers may claim a ZREG

Transaction Type for performing the retest using Labor Code 0600284 (Pre-Sale Charge and Test). The

allowable allowance mirrors the vehicle’s applicable published Base Labor Time for Labor Code 4041512

(Battery Charging and Testing). Published Add Times are ineligible. The transaction must be routed to the

Warranty Support Center with a copy of both the initial test and the retest result printouts attached to the

transaction. The Warranty Code from the initial failed test must be entered in the Battery Tester Code field of

the warranty transaction.

− If the battery FAILS the retest, replace the battery, and submit a ZREG warranty claim using the applicable

labor operation and published allowance per the Labor Time Guide (labor for testing is included in the

published allowance for battery replacement). Attach both copies of the test result to the transaction. Enter

the second code (obtained after retest) in the Battery Tester Code field of the warranty transaction.

• Warranty Coverage is ineligible for batteries that fail because the dealership did not take the recommended

action per the Battery Maintenance Report within a timely manner and claims will be rejected and or subject to a

chargeback in these cases.

• Note: The Battery Maintenance Report is only applicable to OnStar-equipped vehicles, excluding Chevrolet

Express and GMC Savana vans. For Express, Savana, and vehicles not equipped with OnStar, a PDI Mode

charge is required every 30-days while in dealer inventory. See process applicable to Canada in Service

Bulletin# 21-NA-043 for details.
Page 6
October, 2024
Bulletin No.: 20-NA-132
Dealers in Canada Only

Using the GR-8 Tool (EL-50313), DCA, or EL-52800 Diagnostic Charge Battery Station (DCBS) in the PDI mode,

check condition and charge of the battery at vehicle delivery to the dealership (PDI), every 30 days thereafter and

again at point of sale. Refer to Service Bulletin # 21-NA-043.
Warranty Information

Original Equipment (OE) vs. Non-OE 12V Battery Coverage (U.S. Only)

U.S. dealers can ONLY submit warranty claims in Global Warranty Management (GWM) for the following:

• Defective factory-installed OE batteries that fail within the vehicle’s New Vehicle Bumper to Bumper Limited

Warranty.

• Defective dealer-installed batteries that were replaced under the New Vehicle Bumper to Bumper Limited

Warranty and fail within the remainder of the vehicle’s Bumper to Bumper Limited Warranty or 12 months of

replacement, whichever is greater.

• Reminder: Removal of battery warranty tags on batteries installed under the New Vehicle Bumper to Bumper

Limited Warranty is required per Service Policies and Procedures. This will make it easy for dealers to identify

potential warrantable batteries that can be claimed in GWM.

Dealers must refer to their ACDelco distributor for all other warrantable ACDelco battery situations and must not

submit those claims in GWM.
6306278
To determine if the failed battery on vehicles within the Bumper-to-Bumper Warranty is OE, service consultants and

technicians can view the battery labeling which is significantly different. ACDelco replacement batteries (1), as

shown in the picture above, will have a label on the side of the battery, whereas OE batteries (2) do not.

When charging and testing batteries, ALWAYS use the information on the battery label. Dealers can compare the

CCA rating and/or type on the battery to OE specifications listed in Service Information (see 12V Battery Testing

section above for further details).

Note: There are two common types of 12V Battery Testing battery CCA Ratings; EN CCA & SAE CCA. EN is a

European Standard and SAE is a North American Standard. Dealers are to use the SAE number when testing 12V

batteries.
Bulletin No.: 20-NA-132
October, 2024
Page 7
Battery Replacement Labor Operations 4041510 and 4041520 – Required Warranty Code

The Warranty Code generated by the GR8, DCA, or DCBS is displayed on the printout and must be entered into the

required “Battery Tester Code” field when submitting all transactions for battery replacement (labor operations

4041510 Battery Replace or 4041520 Auxiliary Battery Replacement). The complete code (No Dashes or Spaces)

must be entered. Do not enter the code in the cause/correction/comments field. It must be entered into the

system generated mandatory field that appears when using labor operations 4041510 or 4041520 (see GWM

screenshot example below).
4489025
Technicians must attach the test result printout with a “Replace Battery” (GR8 or DCA) or “Battery is bad” (DCBS)

decision, that includes the Warranty Code, to the job card.

Important: A copy of the battery test result printout and the job card must be returned with each battery requested

by the Warranty Parts Center. Failure to include both documents may result in a debit.

Note: To warranty administrators, the following characters are not used in the Warranty Code: The letters I, O, Y, & Z

or any ‘Special’ characters like &, (, ), $, % etc.

Special Cases

• Damaged or leaking batteries - It is not necessary to test leaking batteries. Enter LEAKS into the Battery Tester

Code Field. For AGM batteries, LEAKS is not a valid entry unless the battery case is damaged, and the

cause of the damage must be documented in the Cause field.

Note: Any other parts damaged and replaced due to leaking battery acid (ie: cables) must also be claimed on the

same line, not a separate line. Use appropriate authorizations for additional parts and OLH claimed.

Per design, GM does not recognize an AGM battery as capable of leaking. See Bulletin 23-NA-044 for

further details.

• Batteries replaced due to SAC001/Red Proactive Alert – As battery testing is not required in these cases, enter

SAC001 into the Battery Tester Code field. Note: Diagnostic Add Time is ineligible in these cases and must not

be claimed on the transaction.

• GM Fleet and Commercial in-shop warranty stations- If the Warranty Code is available, enter it into the Battery

Tester Code Field. If the Warranty Code is not available, enter FLEET into the Battery Tester Code Field. Valid

only for approved GM Fleet and Commercial in-shop warranty stations.

• Customer reimbursement cases - Existing policies on customer reimbursement apply. If the customer's battery

is available, enter the Warranty Code into the Battery Tester Code Field. If the customer's battery is not

available, enter REIMBURSEMENT into the Battery Tester Code Field.

• DCA or DCBS test equipment not working/not available. Any non-functional or missing test equipment must be

repaired/replaced within 30 days. Contact GM Dealer Equipment for assistance. On a temporary basis (within

those 30 days) the dealership should enter INOP in the Battery Tester Code field.
Page 8
October, 2024
Bulletin No.: 20-NA-132
Note: Due to the phase out of the GR8, a non-functional GR8 is no longer an acceptable special case to excuse a

missing Battery Tester Code.

• Cadillac Roadside service claims (U.S.) - Batteries replaced under the Cadillac Roadside program do not fall

under the 4041510 Labor Operation. They should be submitted under Labor Operation 0600102 as defined by

that program.

• Subsequent failure of batteries replaced under the New Vehicle Bumper to Bumper Warranty (Canada Base

Warranty) – These transactions still require proper testing to validate battery replacement. A valid Warranty

Code is still required in the Battery Tester Code field. Refer to Service Policies and Procedures Manual for

further policies related to battery replacement parts warranties. Transactions must be submitted as a ZPTI

Transaction Type and routed for GM Authorization.

• Batteries purchased as a retail transaction (over the counter or dealer-installed) and subsequently replaced

under the GM Replacement Parts Warranty:

• Dealers in the U.S.: Replacement Parts Warranty is handled through your local ACDelco distributor. U.S.

Dealers must not submit claims in GWM.

• Dealers in Canada: Submit applicable ZPTI/ZPTC parts warranty in GWM. These transactions still require

proper testing to validate battery replacement. A valid Warranty Code is still required in the Battery Tester

Code field.

• Battery damaged or stolen in transit – This is to be properly noted on the Delivery Receipt. Transaction is to be

submitted as a ZTPT (Transportation) Transaction Type. Enter DAMAGED or STOLEN as applicable in Battery

Tester Code Field. Valid only for ZTPT transaction types.

• New Vehicle arrives from transportation with defective battery – Battery must still be properly tested, and a valid

Warranty Code must be entered on transaction. The transaction must be submitted within one week of vehicle

arrival at dealership.

• Battery “too low” is NOT a valid entry – The test equipment is designed to test batteries and provide results,

including the printout and Warranty Code, at a very low voltage (less than 3 volts). If a vehicle initially enters the

service department with no voltage, the battery must be charged to a level which will support the test to be

completed.
Transactions Requiring GM Authorization

For battery replacement labor operations 4041510 and 4041520 that require any type of GM authorization, the test

result printout from the diagnosis performed prior to battery replacement must be scanned and attached to the transaction.

• Paid battery replacement transactions with invalid or missing Warranty Codes in the Battery Tester Code field

are subject to chargeback.

• Batteries must be properly tested before replacement. Battery warranty test codes obtained by retesting

batteries after repair completion will not be accepted.

• Battery replacement transactions on vehicles with 100 miles (U.S.)/160 km (Canada) or less will require routing

to the Warranty Support Center for review and approval. Proof of inventory battery maintenance must be

attached to the transaction in addition to a copy of the battery test result printout.
Bulletin No.: 20-NA-132
October, 2024
Page 9
Version
10
Modified
Released June 25, 2020 – Corporate Service Bulletin Number 03-06-03-004Z has now

become Global format Service Bulletin 20-NA-132. This update adds a Proactive Alerts

section and adds the second bullet under Special Cases.

Revised March 09, 2021 – Added the 2021 Model Year and updated applicable

information throughout the bulletin.

Revised June 07, 2021 – Added the 2022 Model Year and updated the Dealers in the U.S

Only under New Vehicle Inventory to reflect new requirements effective May 2, 2021.

Revised August 06, 2021 – Updated information under 12V Battery Testing.

Revised April 04, 2023 – Clarified the Subject, added the 2023-2024 Model Years and

updated applicable information throughout the bulletin.

Revised December 08, 2023 – Changed the effective date in the first Important statement

and under Tool Software Updates.

Revised March 26, 2024 – Added new picture under Midtronics GR8 Example: English

and French-Canadian Versions and Midtronics DCA Example: Engine and FrenchCanadian Versions and updated information throughout the bulletin.

Revised April 15, 2024 – Clarified the Note below the Models, corrected format, and

updated legend for Midtronics DCA Example: English and French Canadian Versions and

added the second Important statement at beginning of bulletin.

Revised April 26, 2024 – Added the 2025 Model Year, BrightDrop Models and clarified

the Important statement under Battery Replacement Labor Operations 4041510 and

4041520 – Required Warranty Code section.

Revised October 02, 2024 – Updated applicable information throughout the bulletin.
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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