# Service bulletin A26\-026

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: 11031758
- Published by NHTSA: 2026\-04\-30
- Manufacturer's number: A26\-026
- Manufacturer's date: 2026\-04\-21
- NHTSA component: POWER TRAIN

## NHTSA's summary

Service Bulletin \- The current Power Control Unit \(PCU\) Radiator Guard does not provide adequate protection. Roadway debris can cause damage to the PCU Radiator which may result in multiple warning lights, Malfunction Indicator Lights \(MIL\), and decreased hybrid system performance.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031758-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031758-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2025 to 2026 HONDA CIVIC HYBRID

## Other bulletins for the same vehicles and component

- [A26\-026](/bulletins/11031285.md), 2026-04-14, Service bulletin: POWER TRAIN. Service Bulletin \- The current Power Control Unit \(PCU\) Radiator Guard does not provide adequate protection. Roadway debris can cause damage to the PCU Radiator which may result in multiple Malfunction Indicator Lights \(MIL\) and decreased hybrid system performance.
- [AEBM04032026903](/bulletins/11031279.md), 2026-04-14, Other: POWER TRAIN. Dealer Message \- The current radiator guard does not provide adequate protection. Roadway debris can cause damage to the Power Control Unit \(PCU\) radiator which may lead to coolant leakage, illumination of multiple Malfunction Indicator Lights \(MIL\), and/or loss of driving force.

JSON: [/v1/bulletins/11031758](/v1/bulletins/11031758)

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