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
7Original wording in English
BUICK
Reported code forms C0407-64
Certain 2018 model year Buick Regal vehicles may have a condition where they were built with rear differential modules (RDM) which have one suspect bolt hole with a shallower depth than the rest of the bolt holes,…
CHEVROLET
Reported code forms C0407
This technical bulletin provides a procedure to program the RDCCM if the DTC C0407 is set.
CHEVROLET
Reported code forms C0407
This technical bulletin provides a procedure to program the RDCCM if the DTC C0407 is set.
CHEVROLET
Reported code forms C0407
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent "service Rear Axle" message. Technician may find Diagnostic Trouble Code C0407 set in the Rear…
BUICK
Reported code forms C0407
This Preliminary Information communication provides information to the technician about vehicles that have a Service AWD message and/or flashing Rear Drive Warning Instrument Panel Cluster indicator. Technician may find…
BUICK
Reported code forms C0407
This Preliminary Information communication provides information to the technician about vehicles that have a Service AWD message and/or flashing Rear Drive Warning Instrument Panel Cluster indicator. Technician may find…
Check vehicle applicability
10A 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.