A vehicle stall increases the risk of a crash.
Honda (American Honda Motor Co.) is recalling certain model year 2014-2015 Honda Accord Hybrid vehicles manufactured August 29, 2013, to May 30, 2015. Electrical interference may cause the hybrid system to switch into fail-safe mode, disabling the gasoline engine, limiting the vehicle’s speed to 40 miles per hour and functioning only on battery power. Once the battery is discharged, the vehicle will stall.
Honda will notify owners, and dealers will update the hybrid system software, free of charge. The recall began on November 6, 2015. Owners may contact Honda customer service at 1-888-234-2138. Honda’s number for this recall is JT7.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
February 16, 2017
05830 Version 5
Safety Recall: HV Cell Voltage Sensor (CVS) Software
Supersedes 15-057, dated March 26, 2016, to revise the information highlighted in yellow
|2014–15||Accord Hybrid||ALL||Check the iN VIN statues for eligibility|
Under REPAIR PROCEDURE, a step was added to include completing the Vehicle Emissions Recall – Proof of Correction certificate for vehicles registered in California.
The cell voltage sensor may incorrectly interpret electrical noise from the inverter and motor circuits as a problem and cause the vehicle to switch to a fail-safe EV mode. Additionally, DTCs P0B3B, high voltage battery cell voltage sensor internal circuit malfunction and P0DA8, motor power inverter module voltage malfunction are often stored.
If the vehicle switches to fail-safe EV mode while cruising at highway speed, the engine shuts off and the vehicle will experience a sudden loss of power as the fail-safe EV mode limits vehicle speed to a maximum of about 40 mph. If this occurs, the vehicle may be able to travel for up to 2 miles in fail-safe EV mode, at which time the HV battery will likely fully discharge. If the battery completely discharges while the vehicle is still in operation, the vehicle will stall, increasing the risk of a crash.
Owners of affected vehicles were sent a notification of this campaign.
Do an iN VIN status inquiry to make sure the vehicle is shown as eligible.
Some vehicles affected by this campaign may be in your used vehicle inventory. These vehicles must be repaired before they are sold.
Should your dealership sell an unrepaired vehicle that subsequently causes injury or damage because of the recalled item, the dealership will be solely responsible to the damaged party, and will be required to defend and indemnify American Honda for any resulting claims. To see if a vehicle in inventory is affected by this recall, do a VIN status inquiry before selling it.
NOTE: For California dealers only, make sure to give your customer a Vehicle Emission Recall – Proof of Correction certificate. See REPAIR PROCEDURE for ordering information.
Do the inspection and based on your results, update the vehicle or replace the HV battery.
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 3.01.42 or later
Database Update 04-AUG-2015 or later
HDS Software Version:
3.016.042 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 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.
|Year/Model||Program ID||Program Part number|
|2014–15 Accord Hybrid||K1A020||1K411-5K1-A02|
WARRANTY CLAIM INFORMATION
|Operation Number||Description||Flat Rate Time||Template ID||Defect Code||Symptom Code||Failed Part Number|
|1185B0||Do the inspection and update the CVS software. (No DTCs)||0.2 hr||15-057A||5ZF00||JT700||1K410-5K1-A03|
|1185B1||Do the inspection and update the CVS software. DTC and error codes were set, but they were cleared and the|
CVS software updated.
|1185B2||Do the inspection and the result was to replace the battery. File a separate warranty claim under normal warranty for replacing the HV battery.||0.5 hr||15-057C||5ZF00||JT700||1K410-5K1-A03|
Skill Level: Repair Technician
INSPECTION AND UPDATE PROCEDURE
- Connect the HDS and check for DTCs.
- If DTC P0B3B or P0DA8 is not set, go to step 4.
- If DTC P0B3B and/or P0DA8 is set, do not clear the DTC(s). Save all the freeze data, then go to step 2.
- Make sure that you upload the collected freeze data.
- If P0B3B and/or P0DA8 is not present, it is possible that error code 0010100 may be stored in one or more locations. This is normal if the key is cycled quickly. To clear this error code, just turn the key off for more than one minute.
- Refer to the HV Battery Diagnosis in the job aid New Procedures for Servicing the High Voltage Battery.
NOTE: The file saved to the desktop (see page 5 of the job aid) contains the HV battery cell voltage failure information for sensor A, sensor B, and sensor C. The errors are 8 digits and appear as a series of 0s and 1s. The CVS failure codes are also available in the stored HDS DTCs Freeze data.
- Check the list for the following failures:
NOTE: The error codes in each failure series can be in any order as long as all the codes in each row are present in the HV battery diagnosis.
|Error Code Failure Series 1||00010000||00010000||00010000|
|Error Code Failure Series 2||00010000||00010000||00000000|
|Error Code Failure Series 3||00010000||00010000||00010100|
|Error Code Failure Series 4||00010000||00000000||00000000|
|Error Code Failure Series 5||00010000||00010100||00010100|
|Error Code Failure Series 6||00010000||00010100||00000000|
- If any one of the six error code failure series appears, write down the failure codes on the RO before clearing all set codes, then go to step 4.
- If a different failure series appears, write down any other the failure code(s) that may be stored on the RO. Save the HDS freeze data and the Cell Voltage Sensor Check data, then replace the HV battery. Refer to service information. You will need to file a separate warranty claim under normal warranty for replacing the HV battery.
- Update the CVS software with the MVCI. Refer to Service Bulletin 01-023, Updating Control Units/Modules. This product update is complete.
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.
|Manufacturer||VCI Name||Version Information||Notes|
|DENSO||DST-i||2.00.0010*||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.|
|Bosch||MVCI||3.01.54*||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.|
|Drew Technologies||MongoosePro Honda||1.7.7**||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.|
|Dearborn Group||d-briDGe Pro||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.