Service Bulletin
April 16, 2014

14-028
BTB 51198 (1404)

I-MID Displays “12 Volt Battery Charging System Problem”
AFFECTED VEHICLES
Year
Model
2014
RLX

Trim
ALL

VIN Range
ALL

SYMPTOM
The i-MID displays the message 12 volt battery charging system problem. Also, DTC P16E3 (PGM-FI battery sensor
LIN communication error) may be stored.
POSSIBLE CAUSE
The LIN communication bus may have experienced a communication problem.
CORRECTIVE ACTION
Update the software in the gauge control module.
SOFTWARE INFORMATION
NOTE: Unnecessary or incorrect repairs resulting from a failure to update the MVCI or HDS are not covered under
warranty.
MVCI Control Module (CM) Update:
Application (FW) Version: 3.01.37 or later
Database Update: 03 Mar-2014 or later
HDS Software Version:
3.013.014 or later
Before beginning the repair, 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 Recommended
Update when the update begins.
If the MVCI displays This vehicle does not need an update at this time during the update, check that the MVCI control
module update application is correct as shown above. If the software is correct, the MVCI software has been updated. If the
software is not correct, update both the MVCI and the HDS software.
For more information about updating the HDS, the MVCI, and vehicle systems, refer to Service Bulletin 01-026, Updating
Control Units/Modules.
Trim
2014 RLX (Base)
2014 RLX (Base Navi)
2014 RLX (Tech)
2014 RLX (Advance)

PROGRAM ID (or later)
Y2A040
Y2A320
Y2A140
Y2A240

PROGRAM P/N (or later)
78109-TY2-A04
78109-TY2-A32
78109-TY2-A14
78109-TY2-A24

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WARRANTY CLAIM INFORMATION
The normal warranty applies.
Operation Number

Description

Flat Rate Time

Template ID

Failed Part Number

7165A0

Check for DTCs, and update
the gauge control module
(meter) software.

0.4 hours

14-017N

78100-TY2-A11

Defect Code:

(Includes DTC
Check)

03217

Symptom Code: 03215
Skill Level:

Repair Technician

DIAGNOSIS
Check for DTCs.
• If DTC P154A is set, this bulletin does not apply. Continue with normal troubleshooting.
• If DTC P16E3 is set or if there is no DTC present, go to REPAIR PROCEDURE.
Clear all DTC’s and disconnect the HDS from the MVCI before continuing.
REPAIR PROCEDURE
1. With the MVCI connected, under the User Config display, select CM Update Mode. Press ENTER.
2. Turn the headlight switch to the off position.
3. Select Reprogramming and press ENTER. You will see a screen with the message Use a battery booster while
reprogramming the vehicle. Press ENTER again.
4. On the Select System screen, select Meter and press ENTER. You will see the message Press the “ENTER” button
to begin the Control Module Update. Press ENTER.
5. The CM Update Mode Running Change screen appears. Press ENTER to begin the gauge control module update.
NOTE: Some of the gauge control module indicators will blink, and the headlights may come on. This is normal.

6. Run an all DTC check, and clear any DTCs that may have set during the software update procedure.
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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