# Service bulletin SSM 51909

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: 10243490
- Published by NHTSA: 2023\-10\-04
- Manufacturer's number: SSM 51909
- Manufacturer's date: 2023\-09\-07
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

When performing any transmission fluid changes or topoffs involving MERCON SP, MERCON LV has replaced all versions of MERCON SP and can be used going forward. Mixing MERCON LV and MERCON SP in the same transmission is acceptable. After 30\-Jun\-2023, MERCON SP ATF will no longer be manufactured and will only be available until inventory depletes.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243490-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243490-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline, Automatic transmission

## Vehicles listed

- 2004 to 2008 FORD E\-150
- 2004 to 2008 FORD E\-250
- 2004 to 2008 FORD E\-350
- 2004 to 2008 FORD E\-450
- 2003 to 2005 FORD EXCURSION
- 2007 to 2008 FORD EXPEDITION
- 2006 to 2008 FORD EXPLORER
- 2003 to 2008 FORD F\-250 SD
- 2003 to 2008 FORD F\-350 SD
- 2003 to 2008 FORD F\-450 SD
- 2006 to 2008 FORD F\-53
- 2003 to 2008 FORD F\-550 SD
- 2005 to 2008 LINCOLN NAVIGATOR
- 2006 to 2008 MERCURY MOUNTAINEER

## Recalls for the same vehicles and component

- [07V453000](/recalls/nhtsa/07V453000.md), 2007-09-26: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
- [07V139000](/recalls/nhtsa/07V139000.md), 2007-03-26: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)
- [05V519000](/recalls/nhtsa/05V519000.md), 2005-11-09: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [TSB\-14\-0153](/bulletins/10056701.md), 2015-02-03, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. FORD/LINCOLN/MERCURY: FAILURE OF PLANETARY GEAR ASSEMBLY IS DUE TO TRANSMISSION, ON CERTAIN VEHICLES, EXHIBITING GRINDING, GEAR SLIPPAGE, WHINE TYPE NOISE, VIBRATION, WHILE DRIVING OR LOSS OF REVERSE. \*PE
- [ASI\-44534](/bulletins/10056196.md), 2014-10-01, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. FORD: WHEN SHIFTING BETWEEN PARK, REVERSE AND/OR DURING 2\-3 SHIFT, AN INTERMITTENT CLUNK OCCURS WITH A TORQSHIFT TRANSMISSION. MODEL 2003\-2014 F\-SUPER DUTY, E SERIES, EXCURSION, F\-53 MOTORHOME CHASSIS, LOW CAB FORWARD. \*PE
- [ASI\-44538](/bulletins/10056191.md), 2014-10-01, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. FORD/LINCOLN/MERCURY: THE INDICATOR MAY ILLUMINATE OVERDRIVE OFF AND/OR SLIPPING IN 3RD OR NO 4TH GEAR, DUE TO DIRECT CLUTCH FAILURE AND DIAGNOSTIC TROUBLE CODE \(DTC\) P0733 AND/OR P0734. MODEL 2008\-2013 MARK LT, F\-150, CROWN VICTORIA, GRAND MARQUIS, TOWN CAR, E SERIES. \*PE
- [ASI\-44404](/bulletins/10055629.md), 2014-06-24, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. FORD: ON SOME TRUCKS, THERE IS A NO CRANK SITUATION AND IF VOLTAGE ON TRANSMISSION RANGE SENSOR AT PIN 21, IS LESS THAN 5 VOLTS, DISCONNECT THE ENGINE COOLING FAN CLUTCH, ELECTRONICALLY, AND RECHECK VOLTAGE. MODEL 2003\-2007 F SUPER DUTY, 2004\-2010 E SERIES, 2003\-2005 EXCURSION.
- [TSB\-13\-12\-22](/bulletins/10054755.md), 2014-02-24, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. FORD: THE MALFUNCTION INDICATOR LAMP \(MIL\) ON AND DIAGNOSTIC TROUBLE CODES \(DTCS\) P0713 AND/OR P0710 REGARDING TORQSHIFT TRANSMISSION. MODEL 2008\-2009 F\-53 MOTORHOME CHASSIS, LOW CAB FORWARD, 2008\-2010 F\-250, F\-350, 2008\-2011 E\-350, E\-450, F\-450, F\-550, 2011 F\-53 MOTORHOME CHASSIS, F\-50 COMMERCIAL STRIPPED CHASSIS. \*PE
- [CSP\-11B23](/bulletins/10041245.md), 2011-09-21, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). FORD SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THERE ARE MULTIPLE PROBLEMS WITH THE VEHICLE. POSSIBLIY INCLUDING: MALFUNCTION LIGHT ON, RUNS ROUGH, REDUCED POWER, EXCESSIVE SMOKE FROM THE EXHAUST, FUEL SMELL FROM THE CRANKCASE, COOLANT LOSS, AND ENGINE NOISE. \*RM
- [TSB\-10\-18\-1](/bulletins/10039725.md), 2011-08-09, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. FORD: SOME EXPEDITION/NAVIGATOR/F150 VEHICLES MAY HAVE A DELAYED FORWARD/REVERSE ENGAGEMENT WITH STORED TROUBLE CODES. \*RM
- [TSB\-10\-17\-7](/bulletins/10039149.md), 2011-07-13, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE AND ENGINE COOLING:ENGINE. FORD: THERE ARE DRIVEABILITY CONCERNS SUCH AS HESITATION, LOW IDLE, OR LOSS OF POWER. 2007\-2008 E150/250. \*RM
- [TSB\-10\-18\-1](/bulletins/10037098.md), 2011-05-05, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE AND ENGINE COOLING:ENGINE. FORD: SOME EXPEDITION, F\-150, AND NAVIGATOR MODELS MAY EXPERIENCE A DELAYED FORWARD OR REVERSE TRANSMISSION ENGAGEMENT. USUALLY HAPPENS ON COLD START IN COLD CLIMATES. \*RM
- [CSP\-10M05](/bulletins/10034712.md), 2011-01-06, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). FORD SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CATALYST Y PIPE WARRANTY EXTENSION.. IN SOME OF THE AFFECTED VEHICLES, CERTAIN VEHICLE OPERATING CONDITIONS CAN CAUSE THE CATALYST SUBSTRATE TO CRACK OR MELT. THIS CAN CAUSE SYMPTOMS INCLUDING BUT NOT LIMITED TO AUDIBLE NOISE FROM THE CATALYST Y PIPE AND/OR MALFUNCTION INDICATOR LAMP ILLUMINATION. CSC LETTER WAS RECEIVED. \*PE

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