P2544 · Manufacturer communications

CADILLAC · 2015-05-13

This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The Transmission Control Module or Engine Control Module may not communicate. With Diagnostic Trouble Codes C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, and / or U2106 stored. The technician is to inspect the transmission X1 connector terminals for loose or poor fit. Disconnect the X1 connector and carefully tug on each wire to insure pins are fully seated. A side load on the wires may also cause a false positive lock. Technician is to repair the…

CADILLAC · 2013-01-03

This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The Transmission Control Module or Engine Control Module may not communicate. With Diagnostic Trouble Codes C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, and / or U2106 stored. The technician is to inspect the transmission X1 connector terminals for loose or poor fit. Disconnect the X1 connector and carefully tug on each wire to insure pins are fully seated. A side load on the wires may also cause a false positive lock. Technician is to repair the…

CADILLAC · 2012-11-28

This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon light is on, Reduced engine power message, no crank, multiple warning lights on, transmission shifts hard, or the door locks cycle while driving. The Transmission Control Module or Engine Control Module may not communicate. With Diagnostic Trouble Codes C0242, C0561, P0575, P0615, P0700, P0856, P1629, P2544, U0073, U0074, U0100, U0109, U0121, U0140, U2100, U2105, and / or U2106 stored. The technician is to inspect the transmission X1 connector terminals for loose or poor fit. Disconnect the X1 connector and carefully tug on each wire to insure pins are fully seated. A side load on the wires may also cause a false positive lock. Technician is to repair the…

CHEVROLET · 2010-03-01

CHEVROLET: WATER IN TRANSMISSION, NO FORWARD GEARS, TCC SHUDDER, HARSH SHIFT, DTC U0073, U0100, U0101, P182E, P2544. CHECK THE CONDITION OF THE TRANSMISSION FLUID BY LOOSENING THE FLUID LEVEL CHECK PLUG IN THE OIL PAN TO OBTAIN ON OIL SAMPLE. THE ENGINE SHOULD BE RUN PRIOR TO OBTAINING THE SAMPLE OR BE RUNNING WHILE THE SAMPLE IS OBTAINED. *PE

FORD, MERCURY · 2005-01-24

HARSH OR ERRATIC UPSHIFTS/DOWNSHIFTS - WRENCH LAMP ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE (DTC) P2544 - VEHICLES BUILT BEFORE 1/7/2005 AND EQUIPPED WITH THE (AWF21) 6 SPEED TRANSAXLE. *TT