Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P2544VEHICLES BUILT BEFORE 1/7/2005 AND EQUIPPED WITH THE (AWF21) 6 SPEED TRANSAXLE
P2544VEHICLES BUILT BEFORE 1/7/2005 AND EQUIPPED WITH THE (AWF21) 6 SPEED TRANSAXLE
Manufacturer communications
5Original wording in English
CADILLAC
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 m…
CADILLAC
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 m…
CADILLAC
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 m…
CHEVROLET
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 I…
Check vehicle applicability
22A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.