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Service bulletins for the 2015 Land Rover LR4

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.

235 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Transmission control module are shown. Show all

Bulletins, newest first
SFCC AUG19 Slide2019-09-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). The Check Engine Lamp is illuminated.
LTB01275NAS12019-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. The engine MIL (Malfunction Indicator Lamp) may be illuminated with DTC (Diagnostic Trouble Code) P0089-64 stored in the Powertrain Control Module (PCM).
LTB01156NAS12018-05-29. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE. The engine Malfunction Indicator Lamp (MIL) may be illuminated on the Instrument Cluster (IC) with Diagnostic Trouble Code (DTC) P132B-77 stored in the Powertrain Control Module (PCM).
LTB00883NAS22017-06-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. "SITUATION: THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE (DTC) P068A-00 STORED IN THE POWERTRAIN CONTROL MODULE (PCM) CAUSE: THIS MAY BE CAUSED BY A PCM SOFTWARE ISSUE (CPU RESPONSE TIME ERROR DURING VEHICLE SHUTDOWN PROCEDURE)."
LTB00883NAS12017-06-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. "SITUATION: THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE (DTC) P068A-00 STORED IN THE POWERTRAIN CONTROL MODULE (PCM) CAUSE: THIS MAY BE CAUSED BY A PCM SOFTWARE ISSUE (CPU RESPONSE TIME ERROR DURING VEHICLE SHUTDOWN PROCEDURE)."
SGI15-402017-06-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). "DESCRIPTION TO ADDRESS CONCERNS WITH THE CORRECT OPERATION OF THE OXYGEN (O2) SENSORS, UPDATED POWERTRAIN CONTROL MODULE (PCM) SOFTWARE IS REQUIRED ON THE MODELS, MODEL YEARS, ENGINE VARIANTS, AND VEHICLE IDENTIFICATION NUMBER (VIN) RANGES AS LISTED IN THE AFFECTED VEHICLE RANGE."
LTB00757NAS42017-06-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). "SITUATION: ONE OF THE FOLLOWING ISSUES MAY OCCUR: • THE GEAR SELECTOR LED INDICATOR FLASHES AND NEUTRAL IS INVOLUNTARILY ENGAGED WHEN COMING TO A STOP OR IMMEDIATELY AFTER AN AUTOMATIC ENGINE RESTART (WHEN INTELLIGENT STOP/START IS ACTIVE)."
SSM724782017-06-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). "ISSUE: A CUSTOMER MAY EXPRESS A CONCERN OF A HARSH GEARSHIFT ENGAGEMENT AFTER SHIFTING FROM PARK TO DRIVE WHEN THE AMBIENT AIR TEMPERATURE IS LOW AND THE ENGINE IDLE SPEED IS ELEVATED. VIN: 731247 ONWARDS. ENGINE: V6 S/C 3.0L PETROL. CAUSE: THE TRANSMISSION SETTING IS NOT OPTIMIZED FOR THE ENGINE SPEED OUTPUT."
LTB00832NAS12017-06-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. "SITUATION: A 'TRANSMISSION FAULT' MESSAGE MAY BE DISPLAYED ON THE INSTRUMENT CLUSTER AND THE VEHICLE HAS DEFAULTED TO A FIXED GEAR 'LIMP HOME' OPERATION. UPON DIAGNOSIS, A TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODE (DTC) P0780-93 STORED IN THE TRANSMISSION CONTROL MODULE (TCM). CAUSE: THIS MAY BE CAUSED BY AN ERROR IN THE TCM SOFTWARE."
SGI15-40 (ISSUE2017-06-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. DESCRIPTION: TO ADDRESS CONCERNS WITH THE CORRECT OPERATION OF THE OXYGEN (O2) SENSORS, UPDATED POWERTRAIN CONTROL MODULE (PCM) SOFTWARE IS REQUIRED ON THE MODELS, MODEL YEARS, ENGINE VARIANTS, AND VEHICLE IDENTIFICATION NUMBER (VIN) RANGES AS LISTED IN THE AFFECTED VEHICLE RANGE.
SSM720392017-06-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). "ISSUE: ROADSIDE ASSISTANCE REPORTS OF CUSTOMER BEING UNABLE TO SHIFT THE VEHICLE OUT OF THE PARK POSITION. DTC P1707-72 IS FOUND TO BE STORED IN THE TCM (TRANSMISSION CONTROL MODULE). CAUSE: EPRL (EMERGENCY PARK RELEASE LEVER) NOT LOCKED DOWN FROM PDI."
LTB00966NAS12017-04-13. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SITUATION: THE TRANSMISSION CONTROL SWITCH (TCS) GREEN LIGHTS MAY NOT ILLUMINATE WHEN THE SIDE LAMPS OR HEADLAMPS ARE SWITCHED ON. THE RED LIGHTS ON THE TCS OPERATE AS NORMAL.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.