For those with a battery issue 2019 crv
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Thread: For those with a battery issue 2019 crv

  1. #1
    crv|oc Rank: Member
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    For those with a battery issue 2019 crv

    Had the update applied, TSB 19-039, and it appears to have solved the problem with parasitic draw. Left the car in the garage for 4 days and it started this morning.

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  4. #2
    crv|oc Rank: Freshman
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    Honda has issued two Manufacturer Communications on this issue.

    March 29, 2019 MANUFACTURER COMMUNICATION NUMBER: A19-039
    Components: ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM
    NHTSA ID Number: 10156620
    Summary
    Service Bulletin - The vehicle fails to start after being parked for an extended period. After the vehicle is parked for an extended period, the PCM begins an evaporative system leak check after meeting certain criteria. Under certain conditions, it may not return to sleep mode, causing the battery to discharge.

    March 29, 2019 MANUFACTURER COMMUNICATION NUMBER: ABOM03292019
    Components: ENGINE AND ENGINE COOLING, ELECTRICAL SYSTEM
    NHTSA ID Number: 10156621
    Summary
    Dealer Message - Today, March 29, 2019, American Honda is announcing a Product Update for certain 2019 CR-V vehicles to address a concern related to a possible low battery state of charge and/or no start after the vehicle has been parked. Do an iN VIN inquiry to determine which units in your inventory are affected.

    https://www.nhtsa.gov/vehicle/2019/H...Communications
    Last edited by marty1; 04-09-2019 at 11:07 AM.

  5. #3
    crv|oc Rank: Freshman
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    Posted twice on me but can't delete second post so replacing it with this message.
    Last edited by marty1; 04-09-2019 at 11:26 AM.

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  7. #4
    crv|oc Rank: Member
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    Thank you marty1! My brand new 2019 C-RV EX-L died on day 8. Found your post and downloaded Service Bulletin 19-039. Returned to dealer. Software update took less than 30 minutes. So far all is good.

  8. #5
    crv|oc Rank: Member
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    I went into the garage the other day and heard a humming noise coming from my 2019 CRV Touring which had been parked in there for several hours. I walked around the car but couldn't find the exact location the noise was coming from. Sounded like a stuck electrical switch or something like that. When I opened the drivers door it stopped and I haven't heard it since then. But this might be whats causing some of the dead battery issues people are having. They just need to find out what electrical component is stuck. This to me is a safety issue because depending whats causing it, it could cause a fire.

  9. #6
    crv|oc Rank: Freshman
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    Quote Originally Posted by ostbob View Post
    I went into the garage the other day and heard a humming noise coming from my 2019 CRV Touring which had been parked in there for several hours. I walked around the car but couldn't find the exact location the noise was coming from. Sounded like a stuck electrical switch or something like that. When I opened the drivers door it stopped and I haven't heard it since then. But this might be whats causing some of the dead battery issues people are having. They just need to find out what electrical component is stuck. This to me is a safety issue because depending whats causing it, it could cause a fire.
    That's the vacuum pump for the evaporative system leak check. Normal for it to start running several hours after vehicle has been parked. On some '19 V's it doesn't shut off, draining the battery. That's what TSB 19-039 addresses.
    https://static.nhtsa.gov/odi/tsbs/20...56620-0001.pdf

  10. #7
    crv|oc Rank: Member
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    marty1 , above, is correct. My evaporative pump runs about 5 hours after shutdown. First time I heard it on the CRV I checked about an hour later and it was off. You might just check it that way (leave the doors shut). My '19 did not need the software fix as a result. Those pumps are common on lots of cars--remove vapor from the tank so it does not go into the atmosphere. It moves the vapor to a charcoal canister that later feeds into the intake to be burned.
    Jim
    2019 Touring AWD

  11. #8
    crv|oc Rank: Member
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    Took car to Findlay Honda in Flagstaff. They applied the procedure in Service Bulletin 19-039. Battery discharging problem is now solved. Thanks to the folks at Findlay, especially, Jonathan, the best auto tech ever.
    Tom Krach

  12. #9
    crv|oc Rank: Member
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    Marty1, Thank you for posting this information about the 2019 Honda CR-V battery issues. I had this problem right after purchasing this vehicle in February 2019. I will be contacting my dealer tomorrow.

    Spike397

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