C0040 on the 2011 Chevrolet Impala
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| PIC5992 | 2017-08-15. Service bulletin. 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. Technician will inspect the Wheel Speed Sensor harness for damage. Technician will repair the broken or damaged wire for the Wheel Speed Sensor. |
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| PIC-5992-A | 2016-08-25. Service bulletin. 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. TECHNICIAN WILL INSPECT THE WHEEL SPEED SENSOR HARNESS FOR DAMAGE. TECHNICIAN WILL REPAIR THE BROKEN OR DAMAGED WIRE FOR THE WHEEL SPEED SENSOR. |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.