# Service bulletin LTB00677NAS1

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: 10101662
- Published by NHTSA: 2017\-06\-01
- Manufacturer's number: LTB00677NAS1
- Manufacturer's date: 2014\-07\-08
- NHTSA component: SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

"SITUATION: THE TRANSMISSION MAY BE UNABLE TO SHIFT FROM PARK \(P\) AND A 'GEARBOX FAULT' MESSAGE MAY DISPLAYED IN THE INSTRUMENT CLUSTER. UPON INVESTIGATION, THE FOLLOWING DIAGNOSTIC TROUBLE CODES \(DTC\) WILL BE STORED: • U0001\-81 \(TRANSMISSION CONTROL MODULE \[TCM\]\) • U0402\-2A \(TRANSMISSION CONTROL SWITCH \[TCS\]\) • U0001\-81 \(ANTI\-LOCK BRAKE SYSTEM \(\[ABS\] CONTROL MODULE\) IN ADDITION, THE FOLLOWING DTCS MAY BE STORED: • U0402\-92 \(TRANSMISSION CONTROL SWITCH \[TCS\]\) • U0592\-00 \(ENGINE CONTROL MODULE \[ECM\]\) THIS BULLETIN DOES NOT APPLY IF DTC P0850\-02, P0850\-29 AND/OR P1707\-72 IS STORED IN THE TCM. REFER TO SSM71813 IF ANY OF THESE DTCS ARE STORED. CAUSE: THIS MAY BE CAUSED BY A COMMUNICATIONS ISSUE BETWEEN THE CENTRAL JUNCTION BOX \(CJB\) AND THE TCM."

## 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

Brakes, Transmission and driveline, Anti\-lock brakes, Automatic transmission, Transmission control module

## Trouble codes named

P0850, P1707, U0001, U0402, U0592

## Vehicles listed

- 2014 LAND ROVER RANGE ROVER SPORT

## Other bulletins for the same vehicles and component

- [LTB00607NAS2](/bulletins/10204772.md), 2021-12-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Technical Bulletin: Battery Warning Lamp Illuminated On Instrument Cluster 2014 Onwards
- [LTB00607NAS1](/bulletins/10204771.md), 2021-12-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS. Technical Bulletin: Battery Warning Lamp Illuminated On Instrument Cluster 2014 Onwards
- [SFCC\-APRIL19\-Sli](/bulletins/10160450.md), 2019-05-28, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH; EQUIPMENT ADAPTIVE/MOBILITY. The vehicle will not come out of park. The button on the shifter does not work.
- [SSM74374](/bulletins/10160434.md), 2019-05-28, Service bulletin: ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). 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.
- [SSM74336](/bulletins/10158981.md), 2019-04-22, Service bulletin: FUEL SYSTEM, GASOLINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Variations of DTC P0087 are stored in the PCM for the fuel rail pressure sensor.
- [SSM73424](/bulletins/10146355.md), 2018-11-05, Service bulletin: EQUIPMENT; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. Issue: When using the approved diagnostic equipment to read Diagnostic Trouble Codes \(DTC?s\), there may be a presence of the following DTC stored within the Anti\-Lock Braking System \(ABS\) module. U0001\-82 High Speed CAN Communication Bus \- Alive/sequence counter incorrect / not updated
- [LTB01156NAS1](/bulletins/10138749.md), 2018-05-29, 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 \(PCM\).
- [SSM73424](/bulletins/10116980.md), 2017-09-08, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE. Issue: When using the approved diagnostic equipment to read Diagnostic Trouble Codes \(DTC?s\), there may be a presence of the following DTC stored within the Anti\-Lock Braking System \(ABS\) module. U0001\-82 High Speed CAN Communication Bus \- Alive/sequence counter incorrect / not updated.
- [SSM72060](/bulletins/10106343.md), 2017-06-14, Service bulletin: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. "ISSUE: DIAGNOSTIC TROUBLE CODES \(DTCS\) STORED IN THE ANTI\-LOCK BRAKING SYSTEM \(ABS\) MODULE RELATING TO AN ERROR STATE WITH A WHEEL SPEED SENSOR ONLY. CAUSE: CURRENTLY UNDER ANALYSIS."
- [SSM72803](/bulletins/10106280.md), 2017-06-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION \(PRNDL\). ISSUE: CUSTOMERS MAY REPORT THAT THE SURFACE OF THE ‘P’ BUTTON ON THE L494 RANGE ROVER SPORT \- GSM IS WEARING WITH LOSS OF DEFINITION OF THE PAINT FINISH \(SEE ATTACHED FILE FOR AN EXAMPLE\)

JSON: [/v1/bulletins/10101662](/v1/bulletins/10101662)

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