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
5Original wording in English
CHEVROLET
Reported code forms C0040
This engineering information (EI) revision ends the need for information from the field on a condition of wheel speed sensor inoperative with DTCs C0035, C0040, C0045 and/or C0055.
BUICK, CHEVROLET, PONTIAC
Reported code forms C0040
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH STEPS TO DIAGNOSE AND REPAIR THE VEHICLE IF THE ABS LAMP IS ON WITH DIAGNOSTIC TROUBLE CODE C0035 C0040 OR UNWANTED TRACTION CONTROL ACTIVATION.…
BUICK, CHEVROLET
Reported code forms C0040
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEEDED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE BUZZ OR HUM NOISE IS HEARD IN THE RIGHT FRONT AT TIMES. ALSO MAY HAVE A…
BUICK, CHEVROLET, PONTIAC
Reported code forms C0040
This Preliminary Information communication provides the technician with steps to diagnose and repair the vehicle if the ABS lamp is on with Diagnostic Trouble Code C0035 C0040 or unwanted traction control activation.…
BUICK, CHEVROLET
Reported code forms C0040
This Preliminary Information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have buzz or hum noise is heard in the right front at times. Also may have a…
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.