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.
Manufacturer communications
6Original wording in English
BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms P0742
This preliminary informational bulletin provides information for Malfunction Indicator Lamp (MIL) On,Torque Converter Clutch Sticking, Engine Shudder When Stopping, DTC P0742 Set Concern.
CHEVROLET, OLDSMOBILE, PONTIAC, SATURN
Reported code forms P0742
INFORMATION ON 4T40-E (MN4) AND 4T45-E (MN5) FRONT WHEEL DRIVE AUTOMATIC TRANSMISSION VALVE BODY RECONDITIONING, DTC P0741, P0742, P0751, P0752, P0756, P0757, P1811, HARSH SHIFTS, SLIPS, NO DRIVE, NO REVERSE. *NJ
BUICK, CADILLAC, CHEVROLET, OLDSMOBILE, PONTIAC
Reported code forms P0742
FIRM TRANSMISSION SHIFTS, SHUDDER/CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0742 SET. *TT UPDATE. *TT
BUICK, CADILLAC, CHEVROLET, OLDSMOBILE, PONTIAC
Reported code forms P0742
FIRM TRANSMISSION SHIFTS, SHUDDER/CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0742 SET. *TT
BUICK, CHEVROLET, OLDSMOBILE, PONTIAC
Reported code forms P0742
FIRM TRANSMISSION SHIFTS, SHUDDER/CHUGGLE, TRANSMISSION WON'T DOWNSHIFT ON DECELERATION, SERVICE ENGINE SOON LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0742 SET. *TT
BUICK, CHEVROLET, PONTIAC, SATURN
Reported code forms P0742
HARSH SHIFT, NO POWER AND SES/MIL LIGHT ON WITH DTC P0742. *KB
Check vehicle applicability
12A 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.
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.