# Service bulletin SSM73866

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: 10144528
- Published by NHTSA: 2018\-09\-17
- Manufacturer's number: SSM73866
- Manufacturer's date: 2018\-07\-05
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

## NHTSA's summary

Issue: A Technician will find the following Diagnostic Trouble Code \(DTC\) relevant to catalyst system efficiency, P0420\-00 stored in the Powertrain Control Module \(PCM\). The Malfunction Indicator Lamp \(MIL\) could also be illuminated.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10144528-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10144528-0001.pdf)

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

## Components

Engine, Exhaust and emissions, Catalytic converter

## Trouble codes named

P0420

## Vehicles listed

- 2018 LAND ROVER RANGE ROVER
- 2018 LAND ROVER RANGE ROVER SPORT

## Other bulletins for the same vehicles and component

- [SSM73866](/bulletins/10145830.md), 2018-10-15, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. Issue: A Technician will find the following Diagnostic Trouble Code \(DTC\) relevant to catalyst system efficiency, P0420\-00 stored in the Powertrain Control Module \(PCM\). The Malfunction Indicator Lamp \(MIL\) could also be illuminated.
- [SSM73866](/bulletins/10145624.md), 2018-10-15, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. Issue: A Technician will find the following Diagnostic Trouble Code \(DTC\) relevant to catalyst system efficiency, P0420\-00 stored in the Powertrain Control Module \(PCM\). The Malfunction Indicator Lamp \(MIL\) could also be illuminated. Affected vehicle vin ranges as follows ? Range Rover Sport \(LW\) AJ200P PHEV ? 146054 onwards. Range Rover \(LG\) AJ200P PHEV ? 343646 onwards

JSON: [/v1/bulletins/10144528](/v1/bulletins/10144528)

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