SB-14-022

June 26, 2014
Service Bulletin
14-022
SB-10056004-4499
BTB 51796 (1406)
ACC/CMBS Indicator Is On With DTC 30
AFFECTED VEHICLES
Year
Model
2010
MDX
2011−13
MDX
Trim
ALL With Sport /Sport With
Entertainment
ALL With Advance/Advance With
Entertainment
VIN Range
ALL
ALL
SYMPTOM
The ACC/CMBS indicator is on with DTC 30 (brake light relay circuit malfunction).
POSSIBLE CAUSE
The control unit misinterprets inputs from the brake pedal position switch.
CORRECTIVE ACTION
Update the ACC/CMBS software.
SOFTWARE INFORMATION
NOTE: Unnecessary or incorrect repairs resulting from a failure to update the HDS or MVCI are not covered under
warranty.
MVCI Control Module (CM) Update:
Application Version 3.01.40 or later
Database update 25-APR-2014 or later
HDS Software Version:
3.014.009 or later
Before beginning the repair, make sure that both the HDS and MVCI are updated as listed above.
Do only the update listed in this service bulletin.
Check that the MVCI indicates the applicable program ID listed below (or a later program ID) as the Recommended
Update when the update begins.
If the MVCI displays This vehicle does not need an update at this time during the update, the software for this
service bulletin is already installed.
For more information about updating the HDS, the MVCI, and vehicle systems, refer to Service Bulletin 01-026,
Updating Control Units/Modules.
Year/Model
Program ID (or later)
Program P/N (or later)
2010 MDX
TXA120
36707-STX-A12
2011−13 MDX
TXA320
36707-STX-A32
CLIENT INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment, and
training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers,” and you should not assume
this bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact an
authorized Acura automobile dealer.
© 2014 American Honda Motor Co., Inc. – All Rights Reserved
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WARRANTY CLAIM INFORMATION
The normal warranty applies.
Operation Number
Description
Flat Rate Time
Template ID
Failed Part Number
4815D2
Update the ACC/CMBS
software.
0.3 hr
14-022N
36700-STX-A31
Defect Code:
03214
Symptom Code: 03205
Skill Level:
Repair Technician
REPAIR PROCEDURE
1. With the power mode set to OFF, check the brake lights without pressing the brake pedal.
Are the brake lights off?
Yes – Go to step 2.
No – This bulletin does not apply. Continue with normal troubleshooting.
2. Press the brake pedal and check the brake lights.
Do the brake lights come on?
Yes – Go to step 3.
No – This bulletin does not apply. Continue with normal troubleshooting.
3. Set the power mode to ON.
4. Clear the DTCs with the HDS.
5. Update the ACC/CMBS software. Refer to Service Bulletin 01-026, Updating Control Units/Modules.
END
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