# Service bulletin SSM38303

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: 10106021
- Published by NHTSA: 2017\-06\-12
- Manufacturer's number: SSM38303
- Manufacturer's date: 2015\-01\-05
- NHTSA component: STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; STEERING:HYDRAULIC POWER ASSIST SYSTEM

## NHTSA's summary

"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."

## 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

## Vehicles listed

- 2008 to 2015 LAND ROVER LR2
- 2005 to 2009 LAND ROVER LR3
- 2003 to 2014 LAND ROVER RANGE ROVER
- 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.
- [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."
- [SSM72094](/bulletins/10103683.md), 2017-06-06, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING:RACK AND PINION. "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."
- [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."
- [SSM71278](/bulletins/10101263.md), 2017-05-31, Service bulletin: ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; STEERING:ELECTRIC POWER ASSIST SYSTEM. "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 G1D132 AND OR G4D178, \(SEE ATTACHED DIAGRAM\)."
- [SSM 71278](/bulletins/10101107.md), 2017-05-30, Service bulletin: STEERING:ELECTRIC POWER ASSIST SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. "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 \(PSCM\) SYS TEM 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."
- [SSM71058](/bulletins/10101084.md), 2017-05-30, Service bulletin: STEERING:HYDRAULIC POWER ASSIST:PUMP. "ISSUE: UPON CUSTOMER COMPLAINT OF A NOISY POWER STEERING PUMP OR HEAVY STEERING, SHOULD A DEALER INTEND TO CHANGE A POWER STEERING PUMP TO RESOLVE THIS, PLEASE ADDRESS THE QUESTIONS BELOW ON A EPQR SO THAT JLR MAY REVIEW AND POTENTIALLY REQUEST THE PART BACK FOR FURTHER ENGINEERING INVESTIGATION. PRE 13 MY ONLY, VEHICLES FITTED WITH SI6 PETROL ENGINES ONLY."
- [SSM60517](/bulletins/10097338.md), 2017-04-13, Service bulletin: STEERING; STEERING:LINKAGES; STEERING:GEAR BOX \(OTHER THAN RACK AND PINION\); STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. "ISSUE: FOLLOWING WARRANTY ANALYSIS OF STEERING RACKS REPORTED TO BE LEAKING, 75% HAVE BEEN IDENTIFIED AS NO FAULT FOUND, FOLLOWING TESTING. CAUSE: LAND ROVER ENGINEERING HAVE RECENTLY VISITED DEALERSHIPS WHERE A REQUEST HAS BEEN MADE TO REPLACE THE STEERING GEAR FOR AN OIL LEAK IN THE AREA OF THE PINION HOUSING, CASTING, YOKE PLUG OR THE GAITER ADJACENT TO THE PINION HOUSING. FOLLOWING INVESTIGATION THE SOURCE OF THE LEAK PATH WAS IDENTIFIED AS BEING FROM THE SUPPLY AND RETURN HOSE O\-RING SEALS."

JSON: [/v1/bulletins/10106021](/v1/bulletins/10106021)

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