# Service bulletin Q315NAS1

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: 10101195
- Published by NHTSA: 2017\-05\-30
- Manufacturer's number: Q315NAS1
- Manufacturer's date: 2014\-02\-06
- NHTSA component: ENGINE

## NHTSA's summary

"SITUATION: THE ENGINE CALIBRATION FOR MISFIRE DETECTION IS UNNECESSARILY PESSIMISTIC ON 2013 MODEL YEAR LR2 2.0 GASOLINE ENGINE DERIVATIVE. IF A VEHICLE SUFFERS A MISFIRE EVENT THAT EXCEEDS THE PUNITIVE ALLOWABLE LIMITS, THE ENGINE CONTROL MODULE WILL REACT BY INITIATING A RESTRICTED PERFORMANCE MODE TO PROTECT THE EXHAUST CATALYST, WHICH MEANS THE DRIVER NOTICEABLY EXPERIENCES REDUCED ENGINE PERFORMANCE UNTIL THE NEXT IGNITION CYCLE. ACTION: RETAILERS ARE REQUIRED TO HOLD ALL AFFECTED VEHICLES WITHIN THE LISTED VIN RANGE THAT ARE IN THEIR CONTROL AND REFRAIN FROM RELEASING THE VEHICLES FOR NEW OR USED VEHICLE SALE PENDING COMPLETION OF THE REWORK ACTION DETAILED IN THIS TECHNICAL BULLETIN."

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine

## Vehicles listed

- 2013 LAND ROVER LR2

## Other bulletins for the same vehicles and component

- [LTB00502NAS2](/bulletins/10224532.md), 2022-10-24, Service bulletin: ENGINE AND ENGINE COOLING. Technical Bulletin: Cont inual Unexplained Low Coolant Issues
- [LTB00502NAS1](/bulletins/10224531.md), 2022-10-24, Service bulletin: ENGINE AND ENGINE COOLING. Technical Bulletin: Continual Unexplained Low Engine Coolant Level Onwards years
- [LTB00502NAS2](/bulletins/10214054.md), 2022-06-13, Service bulletin: ENGINE AND ENGINE COOLING. Technical Bulletin: Cont inual Unexplained Low Coolant Issues
- [LTB00502NAS1](/bulletins/10214053.md), 2022-06-13, Service bulletin: ENGINE AND ENGINE COOLING. Technical Bulletin: Continual Unexplained Low Engine Coolant Level Onwards years
- [Q315NAS1](/bulletins/10204893.md), 2021-12-13, Service bulletin: ENGINE. Technical Bulletin: Reduced Engine Performance
- [LTB00623NAS1](/bulletins/10204787.md), 2021-12-13, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. Technical Bulletin: Engine MIL Illuminated With DTC P0089\-29 Stored
- [LTB00606NAS1](/bulletins/10204770.md), 2021-12-13, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); UNKNOWN OR OTHER. Engine MIL Illuminated with DTC P0505\-8F and P2282\-00 Stored and Misfire
- [LTB01101NAS4](/bulletins/10149082.md), 2018-11-26, Service bulletin: ENGINE. One or more of the following may be evident: ? Engine has restricted performance; ? Engine runs rough; ? Engine exhibits poor starting; and/or ? Engine MIL \(Malfunction Indicator Lamp\) illuminated with DTC \(Diagnostic Trouble Code\) P0300, P0301, P0302, P0303, P0304, and/or P1315 stored in the Powertrain Control Module \(PCM\).
- [LTB01101NAS3](/bulletins/10146351.md), 2018-11-05, Service bulletin: ENGINE. One or more of the following may be evident: ? Engine has restricted performance; ? Engine runs rough; ? Engine exhibits poor starting; and/or ? Engine MIL \(Malfunction Indicator Lamp\) illuminated with DTC \(Diagnostic Trouble Code\) P0300, P0301, P0302, P0303, P0304, and/or P1315 stored in the Powertrain Control Module \(PCM\).
- [LTB01101NAS3](/bulletins/10145912.md), 2018-10-22, Service bulletin: ENGINE AND ENGINE COOLING. One or more of the following may be evident: ? Engine has restricted performance; ? Engine runs rough; ? Engine exhibits poor starting; and/or ? Engine MIL \(Malfunction Indicator Lamp\) illuminated with DTC \(Diagnostic Trouble Code\) P0300, P0301, P0302, P0303, P0304, and/or P1315 stored in the Powertrain Control Module \(PCM\).

JSON: [/v1/bulletins/10101195](/v1/bulletins/10101195)

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