NHTSA ID Number: 10154533
Manufacturer Communication Number: 15-001-19-3517a
TSB/Document Date: 2019-03-19
Summary
Some vehicles may experience a SBS/SCBS, LAS/LDWS and/or ADAPTIVE LED headlight /HBC warning light on with the DTC U0155:00 stored in memory. The warning lights may stay on while these functions are deactivated. This concern may be caused by faulty Instrument Cluster software. To eliminate this concern, the software has been modified. NOTE: The Mazda
Diagnostic Reprogramming Tool (MDRT) loaner program begins effective Jan. 30, 2019.
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TSB/Document ID: 15-001-19-3517a
Replacement Service Bulletin Number:
MFR Communication Date: 2019-03-04
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT ADAPTIVE/MOBILITY
MFR Component System:
MFR Component Subsystem:
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Technical
Service Bulletin
Mazda North American Operations
Irvine, CA 92618-2922
Subject:
FRONT CAMERA SENSOR SYSTEM MALFUNCTION WARNING
MESSAGE IN INSTRUMENT CLUSTER AND DTC U0155:00 STORED
Bulletin No.: 15-001/19
Last Issued: 03/04/2019
BULLETIN NOTES
This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text.
Previous TSBs: Date(s) Issued:
15-001/19
01/30/2019
APPLICABLE MODEL(S)/VINS
2017-2018 CX-5 vehicles with VINs lower than JM3KF******337821 (produced before Dec. 26, 2017)
DESCRIPTION
Some vehicles may experience a SBS/SCBS, LAS/LDWS and/or ADAPTIVE LED headlight /HBC warning
light on with the DTC U0155:00 stored in memory. The warning lights may stay on while these functions are
deactivated.
DTC U0155:00 - Communication error to instrument cluster.
SMART BRAKE SUPPORT/SMART CITY LANE DEPARTURE WARNING
BRAKE SUPPORT (SBS/SCBS)
SYSTEM (LDWS) WARNING LIGHT
WARNING LIGHT
(IF EQUIPPED)
ADAPTIVE LED
HEADLIGHTS/HBC WARNING
LIGHT (IF EQUIPPED)
This concern may be caused by faulty Instrument Cluster software. To eliminate this concern, the software
has been modified.
NOTE: The Mazda Diagnostic Reprogramming Tool (MDRT) loaner program begins effective Jan. 30,
2019.
Page 1 of 8
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2019 Mazda North American Operations, U.S.A.
Bulletin No.: 15-001/19
Last Issued: 03/04/2019
Page 2 of 8
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2019 Mazda North American Operations, U.S.A.
Bulletin No.: 15-001/19
Last Issued: 03/04/2019
REPAIR PROCEDURE
1. Verify customer concern.
2. Order loaner MAZDA DIAGNOSTIC REPROGRAMMING TOOL (MDRT) via Mazda eStore.
3. Prepare MDRT to reprogram the Instrument Cluster (IC) software.
MAZDA DIAGNOSTIC REPROGRAMMING TOOL (MDRT)
A OBDII Connector
B Display
C Red LED Light (light shows the reprogramming status)
D Green LED Light (light shows the reprogramming status)
E Strap Hole
NOTE: Before performing IC unit reprogramming with MDRT:
Turn off all electric loads (i.e. air-conditioning, audio system etc.), then connect a battery charger to
the vehicle battery.
DO NOT touch the reprogramming tool while the green light is blinking (with a frequent beeping
sound).
During the reprogramming, the center display and instrument cluster may blink. This is normal.
Place the advanced key on the center console.
Page 3 of 8
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2019 Mazda North American Operations, U.S.A.
Bulletin No.: 15-001/19
Last Issued: 03/04/2019
CAUTION:
MDRT equipment is sensitive. Handle it gently and avoid disassembly, impact, heat or liquids.
To avoid IC unit damage during reprogramming, otherwise, IC unit replacement may be necessary:
Do not disconnect the MDRT from the OBDII connector.
Do not start the engine during reprogramming.
Do not turn the ignition off during reprogramming.
4. Follow Steps 1 - 8 in the table below to reprogram the IC unit:
Step
Technician
Operation
Vehicle
Status
MDRT Status
LED Status
Beep Sound
Display MDRT Removal
Green Red
1
Prepare MDRT
IG-OFF
---
OFF
OFF
---
(None)
---
Connected
ON
ON
One long
beep
Ready
Allowed
System checking Blink OFF
Beeping at
intervals
Checking
Start
Flash OFF
reprogramming
Beeping at
intervals
Running
Reprogramming Blink OFF
Beeping at
intervals
Running
2
Connect MDRT
to vehicle
3
Turn IG-ON
(engine OFF)
4
Monitoring
MDRT
5
Monitoring
MDRT
6
Monitoring
MDRT
Finish
reprogramming
ON Blink
Beeping at
irregular
intervals
Repro
Not
OK
recommended
084301
7
Turn IG-OFF
Connected
ON Blink
Beeping at
irregular
intervals
Repro
Not
OK
recommended
084301
OFF
No beeping
(None)
IG-ON
Batt.
Voltage:
10.5V or
higher
IG-OFF
8
Disconnect
MDRT
Disconnected
OFF
Prohibited
(for 1-2 min)
Allowed
NOTE: When the IC unit reprogramming has successfully completed, the MDRT display alternates the
messages "Repro OK" 084301", "Repro OK", "Repro OK HEC.C".
Repro OK
084301
Page 4 of 8
CONSUMER NOTICE: The information and instructions in this bulletin are intended for use by skilled technicians. Mazda technicians utilize the proper tools/
equipment and take training to correctly and safely maintain Mazda vehicles. These instructions should not be performed by “do-it-yourselfers.” Customers
should not assume this bulletin applies to their vehicle or that their vehicle will develop the described concern. To determine if the information applies,
customers should contact their nearest authorized Mazda dealership. Mazda North American Operations reserves the right to alter the specifications and
contents of this bulletin without obligation or advance notice. All rights reserved. No part of this bulletin may be reproduced in any form or by any means,
electronic or mechanical---including photocopying and recording and the use of any kind of information storage and retrieval system ---without permission in
writing.
© 2019 Mazda North American Operations, U.S.A.
Bulletin No.: 15-001/19
Last Issued: 03/04/2019
If "Repro OK DTC!!" is displayed at Step 6, check DTCs with M-MDS and repair the DTC(s) according to
the instructions on MGSS online.
Repro OK
DTC!!
OCCURANCE EXAMPLE:
The following warning lights may illuminate and DTC (B115E:54) may be stored.
DTC B115E:54: Forward sensing camera (FSC) aiming not completed.
SMART BRAKE SUPPORT/SMART CITY LANE DEPARTURE WARNING
BRAKE SUPPORT (SBS/SCBS)
SYSTEM (LDWS) WARNING LIGHT
WARNING LIGHT
(IF EQUIPPED)
ADAPTIVE LED
HEADLIGHTS/HBC WARNING
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