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Service bulletin 042621

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10014325
Published by NHTSA2005-04-30
Manufacturer's number042621
Manufacturer's date2005-03-07
Replaces0546
NHTSA componentPOWER TRAIN

NHTSA's summary

MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE (DTC) P061B AND/OR P2106 AFTER COLD START AND RAPID TRANSMISSION GEAR ENGAGEMENT. 5.4L 3V ENGINE. *TT UPDATE. *TT

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

Transmission and driveline

Trouble codes named

P061B, P2106

Vehicles listed
FORD F-1502005

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TSB16-01082017-02-21. Service bulletin. SOME 2004-2014 F-150 AND 2006-2008 MARK LT VEHICLES EQUIPPED WITH FOUR-WHEEL DRIVE (4WD) MAY EXHIBIT NOISY OR ENGAGED FRONT HUBS WHEN OPERATING IN TWO-WHEEL DRIVE (2WD) MODE. FOLLOW THE SERVICE PROCEDURE STEPS TO CORRECT THE CONDITION.
CSP-092408CS-012009-12-16. Service bulletin. FORD TRUCK SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. IN THE CASE OF THE ROUSHCHARGER FOR THE F-150, THE TRUCKS CALIBRATION ENHANCEMENTS HAS BEEN DEVELOPED TO BETTER ACCOMMODATE REGIONAL VARIATIONS IN PREMIUM FUEL QUALITY. EVEN THOUGH NOT ALL F-150 ROUSHCHARGED TRUCKS WILL BE AFFECTED BY THESE VARIATIONS. CSC LETTER WAS REC'D. *PE UPDATED 4/12/10. *PE
TSB-08-18-22009-06-26. Service bulletin. FORD/MERCURY/LINCOLN: VEHICLES MAY EXHIBIT ONE OR MORE OF THE FOLLOWING SYMPTOMS: DRIVE AWAY HESITATION, LOSS OF RPM ON DECELERATION, DIFFICULTY STARTING, AND/OR IDLE RPM LESS THAN DESIRED. THE F53 MOTORHOME CHASSIS IS INCLUDED. *PE
08-5-132008-05-30. Service bulletin. 4.6L/5.4L--MIL P0506 AND/OR P0505--HESITATION/LOSS OF RPM/DIFFICULTY STARTING/LOW IDLE RPM. *NJ
0616132007-02-27. Service bulletin. STUMBLE ON HEAVY DECELERATION AND/OR TIP - OUT IN MANUAL 2 - 5.4L 3V WITH 4R75E. *KB
062272006-12-20. Service bulletin. UN-COMMANDED TCC APPLY ON THE 1-2 SHIFT CAUSING PERCEPTION OF HESITATION AND/OR LACK OF POWER DURING SHIFT. *KB
0611122006-08-04. Service bulletin. 4X4 FRONT DIFFERENTIAL BRACKET REPAIR. *TT
06452006-05-17. Service bulletin. NEUTRAL TOW CAPABILITY - SERVICE KIT REQUIREMENTS. *TT
0526112006-01-25. Service bulletin. DRIVESHAFT SLIP-BUMP ON DECELERATION OR ACCELERATION FROM A STOP. *TT
05462005-12-14. Service bulletin. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P061B AND/OR P2106 AFTER COLD START AND RAPID TRANSMISSION GEAR ENGAGEMENT - VEHICLES BUILT 8/23/2004 THROUGH 1/15/2005 - 5.4L 3-VALVE ENGINE. *TT