MIL Comes On With DTC P2176 – 2014 Acura RLX

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B14-052
June 27, 2015
01258 Version 2

MIL Comes On With DTC P2176

Supersedes 14-052, dated December 17, 2014, to revise the information highlighted in yellow.

 

AFFECTED VEHICLES

Year Model Trim VIN Range
 

2014

 

RLX

Base  

 

JH4KC1…EC000001 thru JH4KC1…EC002282

With Navigation
With Technology Package
With Krell Audio Package
With Advance Package JH4KC1F9.EC000001 Thru JH4KC1F9.EC002727

 

REVISION SUMMARY

Under WARRANTY CLAIM INFORMATION, the flat rate has been changed.

 

SYMPTOM

The MIL comes on with DTC P2176 (throttle actuator control system idle position not learned).

 

POSSIBLE CAUSES

The PCM misinterprets the throttle position sensor signals and sets DTC P2176.

 

CORRECTIVE ACTION

Update the PGM-FI 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 (FW) Version 3.01.40 or later
Database Update 12-Nov-2014 or later

HDS Software Version:
3.015.023 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 Available Updated 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 01-026Updating Control Units/Modules.

 

Year/Model/Trim Program ID
(or later)
  Program P/N
(or later)
System To Update
2014 RLX All Except RLX with Advance Package     9PA560 37805-R9P-A56 PGM-FI
2014 RLX with Advance Package     9PA660 37805-R9P-A66 PGM-FI

 

WARRANTY CLAIM INFORMATION

The normal warranty applies.

Operation   Number Description Flat Rate Time Template ID Failed Part Number
125517 Update PGM-FI software. 0.2 hr 14-052N 37820-R9P-A55

Defect Code: 03214
Symptom Code: 03203
Skill Level: Repair Technician

 

DIAGNOSIS

Review the PGM-FI freeze data with the HDS.

  • If ECT Sensor 1 reads about 158° F (70° C), go to REPAIR PROCEDURE.
  • If ECT Sensor 1 does not read about 158° F (70° C), this service bulletin does not apply. Continue with normal troubleshooting.

 

REPAIR PROCEDURE

Update the PGM-FI software with the MVCI. Refer to Service Bulletin 01-026, Updating Control Units/Modules.

 

END

 


 

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NHTSA ID Number: 10057139

Manufacturer Communication Number: 14-052

Summary

ACURA: 2014 RLX MIL COMES ON WITH CODE DTC P2176 WHICH IS THE THROTTLE ACTUATOR CONTROL SYSTEM IDLE POSITION NOT LEARNED. *LJ

 

1 Associated Document

Service Bulletin Document

B14-052
December 17, 2014
BTB 01258 (1412)

https://www.nhtsa.gov/recalls?nhtsaId=10057139

SB-10057139-7498.pdf 49.563KB

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Reprogramming

i-HDS Diagnostic Software and J2534 Reprogramming Software

 

Honda J2534 Pass-Thru User Guide

Honda J2534 Pass-Thru Software Download

Latest ECU Software

 

i-HDS Diagnostic Software and J2534 Reprogramming Software

American Honda Motor Co., Inc. ("Honda") offers the i-HDS (Honda Diagnostic System) software suite for the diagnosis and repair of electronic systems on Honda and Acura automobiles, and for the reprogramming of electronic control units (including, but not limited to, ECMs and PCMs). This software provides access to all Honda and Acura vehicle systems (access to the immobilizer security system requires a Security Professional level software subscription and Vehicle Security Professional [VSP] registration with NASTF). To use the i-HDS software, you need to purchase one of our convenient subscription options. In addition, you will need a pass-thru Vehicle Communication Device (VCI) that is compliant with SAE J2534-1 and J2534-2 in order to communicate with the vehicle

 

Vehicle Communication Interfaces (VCI)

The i-HDS software supports the use of a generic pass-thru VCI that is compliant with SAE J2534-1 and J2534-2. However, Honda recommends the Denso DST-i or the Bosch MVCI for use on Honda and Acura vehicles, as Honda has worked closely with these manufacturers to ensure their hardware and our software interact safely and within the J2534-1 and -2 specifications, for both diagnostics and reprogramming. If you choose to use a generic VCI, please carefully consider the customer and technical support options you will receive from your chosen device supplier. Honda does not provide technical or customer support for generic VCI devices.

The VCI Application Table below lists devices that either are approved and supported by Honda or are known to have completed and passed an independent, exhaustive validation program with our i-HDS software suite.

VCI Name Manufacturer Version Information Notes
Firmware J2534 API
DST-i DENSO 2.02.0002* 04.04 This is the current generation VCI used by Honda and Acura dealers. Honda routinely validates the functionality and provides customer support for this device.
DST-nano DENSO 2.02.0002* 04.04 This is the current generation VCI used by Honda Canada Inc. Honda and Acura dealers. Honda routinely validates the functionality and provides customer support for this device.
MVCI Bosch 3.01.60* 04.04 This is the previous generation VCI used by Honda and Acura dealers. Honda routinely validates the functionality and provides customer support for this device.
MongoosePro Honda  Drew Technologies 1.9.5** 04.04 This company has completed an independent i-HDS validation and claims it to function with the i-HDS software. Honda does not provide ongoing validation, nor customer support for this device.
d-briDGe Pro Dearborn Group 3.303** 04.04 This company has completed an independent i-HDS validation and claims it to function with the i-HDS software. Honda does not provide ongoing validation, nor customer support for this device.

* These versions may have been superseded. Honda provides the latest supported versions to current i-HDS subscribers.
** Version used in validation program. See Terms and Conditions and Important Notice Regarding Reprogramming below for more details.

 

Reprogramming with the J2534 Rewrite Application in i-HDS

Included in the i-HDS software suite is a new reprogramming application called J2534 Rewrite. This application is made available to all subscribers of the i-HDS software suite and replaces the previous generation software, J2534 Honda Pass-thru Reprogramming Software.

This new application is compatible with generic VCIs that comply with SAE J2534. It must be used to reprogram any Honda/Acura vehicle equipped with ECUs that support reprogramming. Refer to the table below for legacy applicability for the programming of ECMs and PCMs. Though system dependent, late-model vehicles may be equipped with other ECUs that support reprogramming as well, e.g. ABS or VSA. J2534 Rewrite must be used to reprogram these control modules, as instructed in an applicable service bulletin.

As shown in this table, not all legacy Honda/Acura models are equipped with a reprogrammable ECM/PCM. Furthermore, all 2007 and later models not listed in the table are fully supported with this application.

CarDAQ-Plus 2 Diagnostic Code Reader and J2534 Programming Tool
Drew Technologies (DRWCDPLUSKIT) CarDAQ-Plus J2534 Flash Reprogramming Kit
CarDAQ-M Modular PassThru J2534 Vehicle Reflash Hardware
VSI J2534 ECU Reprogrammer & Diagnostic Adapter
MAXIFLASH PRO (ALT-MF2534)

 

DST-i Information:

MVCI Information:

 

techinfo.honda.com

 


 

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