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Service bulletin Q237NAS1

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 id10204868
Published by NHTSA2021-12-13
Manufacturer's numberQ237NAS1
Manufacturer's date2012-12-03
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

Service Action: Engine Control Module Reflash

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

Engine, Cooling system

Vehicles listed
LAND ROVER RANGE ROVER EVOQUE2012, 2013

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

Other bulletins for the same vehicles and component
Q255NAS32021-12-13. Service bulletin. Service Action: Water Induced Misfire / Restricted Performance
Q255NAS22021-12-13. Service bulletin. Service Action: Water Induced Misfire / Restricted Performance
Q255NAS12021-12-13. Service bulletin. Service Action: Water Induced Misfire / Restricted Performance
SSM736782018-05-29. Service bulletin. Issue: Unexpected noise from Head-Up Display (HUD)
LTB00800NAS22017-06-13. Service bulletin. "SITUATION: THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED WITH THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTC) STORED IN THE POWERTRAIN CONTROL MODULE (PCM) AND NO HARDWARE FAULT: • P011621: ENGINE COOLANT TEMPERATURE SENSOR 1 CIRCUIT RANGE/PERFORMANCE (FAULT ON START UP AFTER USING BLOCK HEATER) • P011B22: ENGINE COOLANT TEMPERATURE / INTAKE AIR TEMPERATURE CORRELATION (FAULT ON START UP AFTER USING BLOCK HEATER) • P013A00: O2 SENSOR SLOW RESPONSE RICH TO LEAN (BANK 1 AND SENSOR 2) • P131500: PERSISTENT MISFIRE • P030000: RANDOM MISFIRE DETECTED • P030100: CYLINDER 1 MISFIRE DETECTED • P030200: CYLINDER 2 MISFIRE DETECTED • P030300: CYLINDER 3 MISFIRE DETECTED • P030400: CYLINDER 4 MISFIRE DETECTED"
SSM724172017-06-09. Service bulletin. "ISSUE: OIL FILTER HOUSING CAP DIFFICULT TO FIT DUE TO O-RING/SEAL BEING LARGER THAN EXPECTED. CAUSE: OIL FILTER LR001247 SUPERSEEDS TO LR030778 WHICH IS SUPPLIED WITH A NEW SEAL. THIS SEAL IS SLIGHTLY LARGER IN DIAMETER THAN THE ONE SUPPLIED WITH LR001247"
LTB00800NAS12017-06-08. Service bulletin. "SITUATION: ONLY ON VEHICLES FITTED WITH A LAND ROVER-APPROVED ENGINE COOLANT HEATER (BLOCK HEATER), THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODES (DTC) P0116-21, P011B-22, P2183-00, OR P2183-22 STORED IN THE ENGINE CONTROL MODULE (ECM) AND NO HARDWARE FAULT. CAUSE: THIS MAY BE CAUSED BY AN ON-BOARD DIAGNOSTICS (OBD) CALIBRATION ERROR."
SSM721672017-06-06. Service bulletin. "ISSUE CUSTOMER REPORTS OF POOR APPEARANCE OF THE FRONT RADIATOR GRILL IN THE FORM OF PEELING, FADING, AND/OR DISCOLOURATION. CAUSE THE CLEAR LACQUER COATING ON THE GRILLE NOT CORRECT TO MANUFACTURING STANDARD."
SSM721622017-06-06. Service bulletin. "ISSUE: VEHICLES FITTED WITH 2.0GTDI ENGINE. COOLANT PUMP LEAKS FROM WEEP CHAMBER. (SEE ATTACHED PICTURE)"
SSM721342017-06-06. Service bulletin. "ISSUED JANUARY 2015 ISSUE: THE CUSTOMER MAY OBSERVE THE LOW COOLANT WARNING MESSAGE, OR LOW COOLANT LEVEL MAY BE OBSERVED DURING ROUTINE SERVICE. CAUSE: IF UPON INSPECTION THE COOLING SYSTEM DOES NOT SHOW EVIDENCE OF WHERE COOLANT MAY HAVE ESCAPED, IT IS POSSIBLE AIR WAS NOT FULLY PURGED FROM THE SYSTEM DURING THE FILL PROCESS AT THE FACTORY. OVER TIME THIS AIR WILL MOVE TO THE HEADER TANK CAUSING THE COOLANT LEVEL TO DROP."