NHTSA ID Number: 10099805
Manufacturer Communication Number: B15-053
TSB/Document Date: 2017-05-19
Summary
SERVICE BULLETIN - THE MIL COMES ON WITH DTC P0430 (FRONT BANK CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD [BANK 2]). THE PCM SOFTWARE MAY MISINTERPRET SENSOR INPUTS AS A DETERIORATED CATALYTIC CONVERTER.
Service Bulletin
December 22, 2015
15-053
02941 Version 1
MIL Comes On with DTC P0430
AFFECTED VEHICLES
Year
Model
VIN range
2014-15
MDX
ALL
ALL
SYMPTOM
The MIL comes on with OTC P0430 (front bank catalyst system efficiency below threshold [Bank 21).
PROBABLE CAUSE
The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter.
CORRECTIVE ACTION
Update the PGM-FI software.
SOFTWARE INFORMATION
NOTE: Unnecessary or incorrect repairs resulting from a failure to update the HOS or MVCI are not covered under
warranty.
MVCI Control Module (CM) Update:
Application Version: 3.01.50 or later
Database update: 23-Nov-2015 or later
HOS Software Version:
3.017 .012 or later
Before beginning the update, make sure that both the HDS and the 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 Available 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)
37805-5J6-C51
2014-15 2WD Base, Tech with Entertainment J6C510
37805-5J6-A69
2014-15 2WD Advance with Entertainment
J6A690
37805-5J6-A 79
2014-15 AWD Base, Tech with Entertainment J6A790
37805-5J6-A89
2014-15 AWD Advance with Entertainment
J6A890
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.
© 2015 American Honda Motor Co., Inc. - All Rights Reserved
Page 1 of 2
WARRANTY CLAIM INFORMATION
The normal warranty applies.
Operation
Number
Description
Flat Rate
Time
Defect
Code
Symptom
Code
Template ID
Failed Part
Number
1255C1
Update the PGM-FI
software.
0.2 hr
03214
03217
15-053N
37805-SJ6-A69
Skill Level: Repair Technician
REPAIR PROCEDURE
Update the PGM-FI software. Refer to Service Bulletin 01-026, Updating Control Units/Modules.
Page 2 of 2
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TSB/Document ID: B15-053
Replacement Service Bulletin Number:
MFR Communication Date: 2015-12-22
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
MFR Component System:
MFR Component Subsystem:
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