B15051

Service Bulletin
February 26, 2016
15-051
02609 Version 3
HFL Poor Sound Quality or Static
Supersedes 15-051, Titled HFL Poor Sound Quality or Static, dated December 9, 2015, to revise the information
highlighted in yellow.
AFFECTED VEHICLES
Year
Model
2013–16
RDX
Trim
ALL
VIN Range
ALL
REVISIOIN SUMMARY
Title has been changed from “HFL Poor Quality or Static” to “HFL Poor Sound Quality or Static”.
BACKGROUND
When the client uses the HFL, the person they are speaking with may experience poor sound quality, static, or the
speaker’s voice cutting out.
CORRECTIVE ACTION
Cross-check the HFL part number and the HFL software version table in step 2 of REPAIR PROCEDURE to verify if the
HFL control unit can be updated.
NOTE: Make sure there is a match between the HFL P/N and software version under SOFTWARE INFORMATION.
SOFTWARE INFORMATION
NOTE: Unnecessary or incorrect repairs resulting from a failure to update the HDS are not covered under warranty.
HDS Software Version: 3.017.012 or later
HFL (HFT) Control Unit Update Version: 2.1.0.0 or later
Before beginning the repair, make sure that both the HDS and the HFL (HFT) Control Unit Update are updated as listed
above.
Do only the update listed in this service bulletin.
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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.
© 2016 American Honda Motor Co., Inc. – All Rights Reserved
WARRANTY CLAIM INFORMATION
Operation
Number
Description
Flat Rate
Time
Defect
Code
Symptom
Code
Template
ID
Failed Part Number
0525A1
Update the HFL
software.
0.3 hr
03214
03217
15-051N
39770-TX4-A01
REPAIR PROCEDURE
1. Once the HFL (HFT) Control Unit Update tool is connected to the HFL unit in the vehicle, you’ll see the HFL unit part
number and HFL software version as shown. Refer to S/B 12-032, Updating Programmable HFL (HFT) Control Units
for information about verifying the software version.
2. Check the HFL part number and software version against the table below.
•
•
Year
Model
Trim
HFL Unit Part Number
2013–14
2013–16
2013–15
RDX
RDX
RDX
Base
Base
Technology Package
39770-TX4-A01
39770-TX4-A02
39770-TX4-A21
HFL Software
Version
01.07.000
01.02.000
01.05.000
01.08.000
02.00.000
If the HFL unit P/N and software version are both listed in the table, go to step 3.
If the HFL unit P/N and software version both do not appear in the table, do not update the vehicle. If you try to apply
the update, the audio and HFL control unit may be damaged.
3. Update the HFL control unit software to 02.02.000. Refer to S/B 12-032, Updating Programmable HFL (HFT) Control
Units.
NOTE: If Siri was previously enabled as an accessory, re-enable it by following the accessory installation instructions
BII 50045, Siri Eyes Free Mode HFL Software.
4. Verify the HFL software was updated to the new version 02.02.000. If the software was not updated, cycle the ignition
OFF, then back to ON and go back to step 3 to repeat the update procedure.
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