# Service bulletin ENG REQ \- AER140

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: 10129441
- Published by NHTSA: 2018\-03\-05
- Manufacturer's number: ENG REQ \- AER140
- Manufacturer's date: 2014\-05\-05
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

Engineering request for investigation \- American Honda \(AHM\) is investigating certain 2010 CR\-Vs \& Accord L4 with a complaint of the Malfunction Indicator Lamp \(MIL\) on with the DTC P0420 \(Catalyst System Efficiency Below Threshold\) stored. To fully understand the cause of this condition, AHM would like to either inspect or collect specific parts from the vehicle prior to you attempting any further repair of any kind.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10129441-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10129441-0001.pdf)

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

## Components

Lighting

## Trouble codes named

P0420

## Vehicles listed

- 2010 HONDA ACCORD
- 2010 HONDA CR\-V

## Other bulletins for the same vehicles and component

- [16007 1](/bulletins/10211612.md), 2022-05-09, Service bulletin: EXTERIOR LIGHTING; AIR BAGS. American Honda is extending the warranty on the SRS unit to 15 years from the original date of purchase with no mileage limit for the SRS indicator being on with one of the following DTCs stored: ? 51\-XX ? 53\-XX ? U0151 ? The HDS does not communicate with the SRS unit This warranty extension will 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.
- [DLR MSG \- RFV, R](/bulletins/10129479.md), 2018-03-05, Service bulletin: EXTERIOR LIGHTING. Dealer message \- American Honda \(AHM\)is investigating certain 2010 CR\-Vs \& Accord L4s with a complaint of the Malfunction Indicator Lamp \(MIL\)on with the DTC P0420 \(Catalyst System Efficiency Below Threshold\)stored. To fully understand the cause of this condition, AHM would like to either inspect or collect specific parts from the vehicle prior to you attempting any further repair of any kind.
- [DLR MSG \- RFV RF](/bulletins/10129439.md), 2018-03-05, Service bulletin: EXTERIOR LIGHTING. Dealer message \- American Honda \(AHM\) is investigating certain 2010 CR\-Vs \& Accord L4s with a complaint of the Malfunction Indicator Lamp \(MIL\) on with the DTC P0420 \(Catalyst System Efficiency Below Threshold\) stored. To fully understand the cause of this condition, AHM would like to inspect vehicle prior to you attempting any further repair of any kind.

JSON: [/v1/bulletins/10129441](/v1/bulletins/10129441)

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