CC-26-90-01 Service Campaign

CC-26-90-01

Type: Campaign

Year: 2026

System: Electrical (90)

Sequence: 01
Title: BL1035 update

Applicability: MY2025 Revero

Market Region: All

PRIORITY: See provided list

PURPOSE: A software update for MY2025 Karma Vehicles
Selected Model Year 2025 Revero vehicles require n update to a couple of modules. Do to the required

update these two modules need to be shipped to Karma Automotive headquarters in Irvine, California.

These will be returned promptly to the vehicle at the service center, on a first received first served basis,

as quickly as possible. Create a TSS case for the operation, request a shipping label from Karma. Label

the modules with tape to indicate the VIN and the current mileage of the vehicle.

Remove the modules as per normal operation and as noted int he workshop service manual.

Remember to perform a 12-volt disconnect prior to removing the modules.
12-volt disconnect
ECM location underhood
HCU location, passenger

foot-well under carpet
Engine Control Module
Hybrid Control Unit
Karma Automotive Bulletins and service documents are intended for use by experienced and trained Technicians. If you lack the skills, tools, equipment

and a suitable workshop for any procedure described in this document, we suggest you leave such repairs to a Karma retailer and service provider. See

your service provider for advice on whether your vehicle may benefit from the information contained within this document. The information contained in the

Karma Bulletin is accurate at the date of publication. However, Karma Automotive regularly updates technical information. Please check with your Karma

Automotive Retailer and Karma Automotive service provider that the bulletin you intend to use contains the latest available information.
Page 1 of 5
Published: February 2026
CC-26-90-01

Type: Campaign

Year: 2026

System: Electrical (90)

Sequence: 01
Title: BL1035 update

Applicability: MY2025 Revero

Market Region: All
After installation of the updated modules, the new software IDs should be as follow for the affected

modules. Check the Touch Panel (TPI) to verify the ECU version and CIU version after reinstall.

Module

HCU

primary

ECM
OLD BL1030 ID
New BL1035 ID
055CC112
055C–C1–13
612-21-94
621–21–96
BL1035 Module Checklist. Through TPI only

Module

Expected Software

Vehicle Version (CIU)

25.34.82.2

VIN

Verify against VIN plate at windshield

Karma Automotive Bulletins and service documents are intended for use by experienced and trained Technicians. If you lack the skills, tools, equipment

and a suitable workshop for any procedure described in this document, we suggest you leave such repairs to a Karma retailer and service provider. See

your service provider for advice on whether your vehicle may benefit from the information contained within this document. The information contained in the

Karma Bulletin is accurate at the date of publication. However, Karma Automotive regularly updates technical information. Please check with your Karma

Automotive Retailer and Karma Automotive service provider that the bulletin you intend to use contains the latest available information.
Page 2 of 5
Published: February 2026
CC-26-90-01

Affected VINs

50GEE4SLXSA000027

50GEE4SL3SA000029

50GRE4SL8SA000030

50GRE4SLXSA000031

50GRE4SL1SA000032

50GRE4SL7SA000035

50GRE4SL9SA000036

50GRE4SL0SA000040

50GEE4SL2SA000040

50GRE4SL6SA000043

50GEE4SL8SA000043

50GRE4SL8SA000044

50GRE4SLXSA000045

50GRE4SL3SA000047

50GRE4SL5SA000048

50GRE4SL3SA000050

50GRE4SL5SA000051

50GRE4SL7SA000052

50GRE4SL9SA000053

50GRE4SL0SA000054

50GRE4SL2SA000055
Page 3 of 5
50GRE4SL4SA000056

50GRE4SL8SA000058

50GRE4SL8SA000061

50GEE4SL7SA000065

50GRE4SL9SA000067

50GRE4SL2SA000069

50GRE4SL2SA000072

50GRE4SL1SA000077

50GRE4SL1SA000080

50GRE4SL3SA000081

50GRE4SL0SA000085

50GRE4SL4SA000090

50GRE4SL8SA000092

50GRE4SL3SA000095

50GRE4SL5SA000096

50GRE4SL9SA000098

50GRE4SL5SA000101

50GRE4SL8SA000111

50GRE4SL5SA000115

50GRE4SL7SA000116

50GRE4SL0SA000118
Published: January 2026
CC-26-90-01

After the update is complete, and modules are reconnected. Verify all the modules are updated correctly.

The table below shows the expected software per module. The electronic parking brake (EPB) is not updated at this time. Check through the touch panel (as above) in settings and check the “ECU versions.”

Module

AFRM

APM

ASM

AWCM

BECM

BSML

BSMR

DIS

DML

DMR

EBCM

ECM

EPB

EPB2

EPS

ESM

HCU

HCUc

HLML

HLMR

HVAC

OBCM

PDM

PIM_GEN

PIM_TM1

PIM_TM2

SCM

SVCS

SWCM

SWSL

SWSR

TPMS

VCMB

VCMS

Page 4 of 5
Expected Software

07220308

SW_3_1_4_0_6bc7565d

07620103

0712-02-00

05520305

0572-03-08

0572-03-08

0501-34-82

0681-00-14

0691-00-14

06260310

612-21-96

0537-01-06

0522-01-25

0732-01-17

055C-C1-13

0568-01-41

0652-01-09

0652-01-09

06320329

03210007

0702-03-01

05830246

05A30158

05B30158

0762-01-04

05420310

0742-05-00

0752-01-03

0757-01-03

0802-00-05

0661-00-26

0671-00-41

Published: January 2026
CC-26-90-01

Type: Campaign

Year: 2026

System: Electrical (90)

Sequence: 01
Title: BL1035 update

Applicability: MY2025 Revero

Market Region: All

PARTS REQUIRED:

PART NUMBER

N/A
DESCRIPTION

N/A
QUANTITY

N/A
Please contact the parts department (parts@karmaautomotive.com) and order this part by email if

not available in on-line at time of repair.

SHOP SUPPLIES:

DESCRIPTION
N/A

SPECIAL TOOLS:
DESCRIPTION

N/A

CAUSAL PART: (use one of the parts for the complaint)

PART NUMBER

C131110103903
DESCRIPTION

Basic Control Unit - DME ECM
LABOR CODES: (use one appropriate for the part(s) replaced)

CODE

DESCRIPTION

TIME

90-20-40-05
MY2025 BL1035 Update
0.7
DEFECT CODE

99-20-20-68
SUBLET:

CODE

N/A
DESCRIPTION
AMOUNT
WARRANTY DISPOSITION: This repair is covered under the New Vehicle Limited Warranty, in effect

for four (4) years from the in-service date or 50,000 miles for Model Year 2025 Revero
Karma Automotive Bulletins and service documents are intended for use by experienced and trained Technicians. If you lack the skills, tools, equipment

and a suitable workshop for any procedure described in this document, we suggest you leave such repairs to a Karma retailer and service provider. See

your service provider for advice on whether your vehicle may benefit from the information contained within this document. The information contained in the

Karma Bulletin is accurate at the date of publication. However, Karma Automotive regularly updates technical information. Please check with your Karma

Automotive Retailer and Karma Automotive service provider that the bulletin you intend to use contains the latest available information.
Page 5 of 5
Published: February 2026

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Last update on 2026-03-23 / Affiliate links / Images from Amazon Product Advertising API

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