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Service bulletin Q355UPS66132bNAS

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10204910
Published by NHTSA2021-12-13
Manufacturer's numberQ355UPS66132bNAS
Manufacturer's date2013-12-02
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

NHTSA's summary

Technical Bulletin: Transmission Control Switch Fails to Rise

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
LAND ROVER RANGE ROVER2014
LAND ROVER RANGE ROVER EVOQUE2013, 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
16V6140002016-08-23. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
Q355NAS12021-12-13. Service bulletin. Technical Bulletin: Transmission Control Switch Fails to Rise
LTB00607NAS22021-12-13. Service bulletin. Technical Bulletin: Battery Warning Lamp Illuminated On Instrument Cluster 2014 Onwards
LTB00607NAS12021-12-13. Service bulletin. Technical Bulletin: Battery Warning Lamp Illuminated On Instrument Cluster 2014 Onwards
NAS20.03.0022020-04-07. Service bulletin. 9HP Transmission Extended Warranty - USA
SSM743742019-05-28. Service bulletin. Air leak from the right hand camshaft cover assembly due to a split diaphragm within the pressure control valve. Any of the following DTCs (indicating an air intake system leak) could be stored in the Powertrain Control Module (PCM) ? P2187, P2189, P0505, P0507.
SSM743362019-04-22. Service bulletin. Variations of DTC P0087 are stored in the PCM for the fuel rail pressure sensor.
SSM739592018-11-13. Service bulletin. Issue: The customer reports reduced performance with P0191-85 observed in the PCM. This may or may not also illuminate the MIL.
SSM739472018-11-13. Service bulletin. Issue: The customer reports a MIL and P144C-00 is observed in the PCM.
SSM740932018-11-13. Service bulletin. The customer reports reduced performance with P0191-85 observed in the PCM. This may or may not also illuminate the MIL. DTCs P168F-00, P2178-00, or P144C-00 may be stored also.
SSM73959.22018-11-05. Service bulletin. Issue: The customer reports reduced performance with P0191-85 observed in the PCM. This may or may not also illuminate the MIL. DTCs P168F-00, P2178-00, or P144C-00 may be stored also.