# Service bulletin SSM72094 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: 10103683 - Published by NHTSA: 2017\-06\-06 - Manufacturer's number: SSM72094 - Manufacturer's date: 2014\-12\-12 - NHTSA component: STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:RACK AND PINION ## NHTSA's summary "ISSUED JANUARY 2015. ISSUE: A CUSTOMER MAY COMPLAIN OF A SQUEAK OR CREAK FROM THE STEERING COLUMN AREA ON ROTATION OF THE STEERING WHEEL. RANGE ROVER SPORT L320 ONLY. CAUSE: THE POWER STEERING PINION SEAL LACKS LUBRICATION AND DRIES OUT." ## 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 Steering, Power steering, Steering gear ## Vehicles listed - 2006 to 2015 LAND ROVER RANGE ROVER SPORT ## Other bulletins for the same vehicles and component - [LTB00456NAS2](/bulletins/10214034.md), 2022-06-13, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM. Technical Bulletin: Steering Remains in Highway Assist Mode at Low Vehicle Speed. - [LTB00618NAS3](/bulletins/10204784.md), 2021-12-13, Service bulletin: EQUIPMENT; STEERING:GEAR BOX \(OTHER THAN RACK AND PINION\); EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. Technical Bulletin: Click' / 'Rattle' Noise From Engine Compartment When Driving - [SSM71278](/bulletins/10106315.md), 2017-06-14, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:WIRING. ISSUE: A CUSTOMER MAY REPORT THE VEHICLE STEERING FEELS HEAVY FOLLOWING AN ECO STOP START EVENT, POTENTIALLY ACCOMPANIED BY VISUAL OR AUDIBLE WARNINGS THROUGH THE INSTRUMENT PACK. - [SSM71278](/bulletins/10106162.md), 2017-06-13, Service bulletin: ELECTRICAL SYSTEM:WIRING; STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. VEHICLE STEERING FEELS HEAVIER THAN EXPECTED ACCOMPANIED BY VISUAL OR AUDIIBLE WARNINGS - [SSM71278](/bulletins/10106046.md), 2017-06-12, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY; STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:WIRING; EQUIPMENT:ELECTRICAL. "ISSUE: A CUSTOMER MAY REPORT THE VEHICLE STEERING FEELS HEAVY POTENTIALLY ACCOMPANIED BY VISUAL OR AUDIBLE WARNINGS THROUGH THE INSTRUMENT PACK. THE FOLLOWING DTCS MAY ALSO BE LOGGED: EPAS DTCS LOGGED: \-B1304\-16: ELECTRONIC POWER ASSISTED STEERING \(EPAS\) SYSTEM CIRCUIT VOLTAGE BELOW THRESHOLD \-U3001\-00: POWER STEERING CONTROL MODULE \(PSCM\) SYSTEM IMPROPER SHUTDOWN. THESE MAY BE ACCOMPANIED BY: \-U0001\-87 / 88 HIGH SPEED CAN BUS INVALID SERIAL DATA RECEIVED / MISSING MESSAGE. CHCM DTCS LOGGED: \-U0131\-00 CHASSIS CONTROL MODULE \(CHCM\) LOST COMMS WITH PSCM. \-U3003\-62 BATTERY VOLTAGE SIGNAL COMPARE FAILURE. \-U0420\-68 CHCM INVALID DATA RECEIVED FROM PSCM. CAUSE: THIS MAY BE CAUSED BY: \-LOW BATTERY VOLTAGE. \-WIRING HARNESS ISSUE \(SHORT / OPEN CIRCUIT, HIGH RESISTANCE\). \-HIGH RESISTANCE AT EPAS EARTH TERMINAL \(FOR L405/L494\) G1D132 AND OR G4D178, \(SEE ATTACHED DIAGRAM\). OR IF ON L550/L538 HIGH RESISTANCE AT G1D122A, G1D122B, G1D122AZ AND G1D108." - [SSM38303](/bulletins/10106021.md), 2017-06-12, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING:HYDRAULIC POWER ASSIST SYSTEM. "RE\-ISSUED DEC 2015 ISSUE: WHEN COMPLETING A REPAIR ON COMPONENTS IN THE POWER ASSISTED STEERING SYSTEM, DEBRIS MAY BE FOUND WITHIN THE POWER STEERING FLUID SYSTEM WHICH COULD LEAD TO SYSTEM CONTAMINATION AND A DETERIORATION IN SYSTEM PERFORMANCE. CAUSE: INTERNAL DEBRIS FROM A SUSPECTED COMPONENT MALFUNCTION MAY RESULT IN THE POWER STEERING FLUID BECOMING CONTAMINATED." - [LTB00618NAS4](/bulletins/10105413.md), 2017-06-07, Service bulletin: ENGINE; STEERING:GEAR BOX \(OTHER THAN RACK AND PINION\). "SITUATION: A 'CLICK', 'RATTLE', OR 'LIGHT VIBRATION' NOISE MAY BE HEARD WHEN DRIVING OVER AN IRREGULAR ROAD SURFACE \(COBBLE STONE, BRICKS, ETC. \[SEE ILLUSTRATIONS IN SERVICE INSTRUCTION STEPS 1 AND 2\]\) AT SPEEDS UP TO 15 MPH \(25 KM/H\): A. A SINGLE OR MULTIPLE 'CLICK' NOISE FROM THE ENGINE BAY DURING SHARP ACCELERATION OR BRAKING AT A VARIETY OF VEHICLE TEMPERATURES AND AMBIENT CONDITIONS. THIS NOISE MAY ALSO OCCUR DURING SHARP TURNS TO THE LEFT OR RIGHT AT SPEEDS OF 5\-15 MPH \(10\-25 KM/H\). B. A 'RATTLE' NOISE WHEN DRIVING OVER AN IRREGULAR ROAD SURFACE \(COBBLE STONE, BRICKS, ETC. \[SEE ILLUSTRATIONS IN SERVICE INSTRUCTION STEPS 1 AND 2\]\) UNTIL THE ROAD SURFACE CHANGES. THE SOUND MAY ALSO BE DESCRIBED AS A LIGHT VIBRATION AND CAN OCCUR AT ANY TEMPERATURE OR AMBIENT CONDITION. CAUSE: THIS MAY BE CAUSED BY THE ENGINE MOUNTS AND/OR STEERING GEAR VIBRATING CAUSING ABNORMAL NOISES." - [SSM49497](/bulletins/10103462.md), 2017-06-06, Service bulletin: STEERING:GEAR BOX \(OTHER THAN RACK AND PINION\); STEERING. "ISSUE: AN OIL LEAK MAY BE DETECTED FROM THE STEERING GEAR AND INCORRECTLY DIAGNOSED AS NEEDING A REPLACEMENT STEERING GEAR ASSEMBLY. CAUSE: LEAK FROM THE WAGNER/STEERING GEAR DAMPING VALVE OR SEALING WASHER \(SEE ATTACHED PHOTO'S\)" - [LTB00704NAS1](/bulletins/10103361.md), 2017-06-05, Service bulletin: STEERING:HYDRAULIC POWER ASSIST SYSTEM. "SITUATION: THIS IS AN INFORMATION ONLY BULLETIN TO AID IN THE DIAGNOSIS OF HYDRAULIC POWER STEERING ISSUES. ACTION: WHEN DIAGNOSING CUSTOMER CONCERNS RELATING TO THE HYDRAULIC POWER STEERING SYSTEM, REFER TO THE SERVICE INFORMATION BELOW." - [SSM71947](/bulletins/10102063.md), 2017-06-01, Service bulletin: STEERING:GEAR BOX:SHAFT SECTOR; STEERING; STEERING:GEAR BOX:SHAFT PITMAN. "ISSUE: WHEN INVESTIGATING A CUSTOMER REPORTED STEERING ISSUE IT IS FOUND THAT THERE IS OIL/FLUID PRESENT AROUND THE STEERING GEAR INPUT SHAFT. CAUSE: OIL OR GREASE LEAK PAST INPUT SHAFT SEAL THROUGH NORMAL USE OR SEAL FAILURE." JSON: [/v1/bulletins/10103683](/v1/bulletins/10103683) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20SSM72094&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10103683&vehicle=Service%20bulletin%20SSM72094)