# Service bulletin ONL6VT03262019

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10156633
- Published by NHTSA: 2019\-04\-06
- Manufacturer's number: ONL6VT03262019
- Manufacturer's date: 2019\-03\-26
- NHTSA component: ENGINE AND ENGINE COOLING; VISIBILITY; POWER TRAIN

## NHTSA's summary

Owner Notification Letter \- On Clarity Plug\-in Hybrid vehicles, there may be a software problem in the powertrain control module \(PCM\), causing a malfunction indicator light to come on and store one or more diagnostic trouble codes \(DTCs\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10156633-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10156633-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Glass, wipers and mirrors, Transmission and driveline

## Vehicles listed

- 2018 HONDA CLARITY PLUG\-IN HYBRID

## Other bulletins for the same vehicles and component

- [A18\-090](/bulletins/10245549.md), 2023-11-29, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. Service Bulletin \- There is a software problem in the PCM, which may cause the MIL to come on with DTC P26A3 \(electric water valve malfunction\), DTC P100C \(electric VTC motor speed signal circuit malfunction\) and/or P0010 \(variable valve timing control \[VTC\] malfunction\). There are up to three updates that must be performed on applicable vehicles.
- [ONLO9V07062021](/bulletins/10199344.md), 2021-07-21, Service bulletin: VISIBILITY. Owner Notification Letter \- On some 2018\-21 Clarity Plug\-In Hybrid models, the A/C condenser may leak refrigerant. American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension provides coverage for the original owner and any subsequent owners. No action is required on your part unless you experience a problem.
- [ABOM05282021](/bulletins/10194978.md), 2021-06-03, Service bulletin: VISIBILITY. Dealer Message \- Today, May 28, 2021, American Honda is announcing a warranty extension for certain 2018\-2020 Accord and Accord Hybrid, 2018\-2020 Civic, 2017\-2021 Civic Hatch, 2017\-2021 Civic Type R, 2018\-2021 Clarity PHEV, and 2019\-2021 Insight vehicles. This warranty extension covers the A/C condenser to address concerns of leaking refrigerant. American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase.
- [A21\-017](/bulletins/10194957.md), 2021-06-03, Service bulletin: VISIBILITY. Service Bulletin \- American Honda is extending the warranty on the A/C condenser to 10 years from the original date of purchase with unlimited miles. This warranty extension only covers vehicles that have a defective A/C condenser from the factory. The A/C condenser was not manufactured to specification. As a result, corrosion may develop in the form of tiny holes in the condenser tube walls that allow the refrigerant to leak out. This does not apply to any vehicle that has a leaking condenser due to foreign object damage. It also does not apply to any vehicle that has ever been declared a total loss or sold for salvage by a financial institution or insurer, or has a branded or similar title under any state's law.
- [A21\-008](/bulletins/10187007.md), 2021-02-18, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE AND ENGINE COOLING. Service Bulletin \- The Hybrid System Failure message comes on the MID, and DTC P1D8D \(Generator Motor Inverter Short\) is stored.
- [A18\-090](/bulletins/10166784.md), 2019-10-29, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; VISIBILITY. Service Bulletin \- There is a software problem in the PCM, which may cause the MIL to come on with DTC P26A3 \(electric water valve malfunction\), DTC P100C \(electric VTC motor speed signal circuit malfunction\) and/or P0010 \(variable valve timing control \[VTC\] malfunction\).
- [APOC06272019](/bulletins/10162001.md), 2019-07-04, Service bulletin: VISIBILITY; ELECTRICAL SYSTEM. Dealer Message \- On October 4, 2018, American Honda announced several Product Update Campaigns for certain 2018 Honda Clarity Plug\-In Hybrid \(PHEV\) models. Replacement CPU Assembly Auto AC Kits and Warranty CD's were available at the time of bulletin launch.
- [ONL6SV03262019](/bulletins/10156632.md), 2019-04-06, Service bulletin: ENGINE AND ENGINE COOLING; VISIBILITY. Owner Notification Letter \- On Clarity Plug\-in Hybrid vehicles, there is a software problem in the climate control unit when running the heater, which may turn the malfunction indicator light on.
- [ONL6PH03262019](/bulletins/10156631.md), 2019-04-06, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY. Owner Notification Letter \- On Clarity Plug\-in Hybrid vehicles, there is a software error in the miles per gallon calculation, which affects the HV range display and causes it to read unusually high.
- [APaS12052018901](/bulletins/10151674.md), 2018-12-14, Service bulletin: ENGINE AND ENGINE COOLING. "Dealer message \- AHM is studying the current replacement need for the ION filter \(PN 3H450\-5WM\-A01\). We would like to collect several samples in the field for this study. A supply of bags and identifying labels will be sent to your dealership for this project."

JSON: [/v1/bulletins/10156633](/v1/bulletins/10156633)

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