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 communications
4Original wording in English
CHEVROLET, GMC
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to having the Check Engine Lamp illuminated on Driver Information Center (DIC) with DTCs P0671, P0672, P0673, P0674, P0675, and P0676 Set.
CHEVROLET, GMC
This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of Service Engine Soon (SES) Light On, DTCs P06C5, P06CC, P066A, P066C, P066E, P067A, P067C, P067E, P068C, P068E, P0671, P1337 and P133F Set.
RAM
Glow Plug Missing O-ring This bulletin involves the replacement of the glow plugs because of a missing internal O-ring. The customer may describe a Malfunction Indicator Lamp (MIL) illumination and/or a blinking glow plug lamp in the Instrument Cluster. Upon further investigation the technician may find one or more of the follow…
VOLKSWAGEN
MIL ON, DTC(s) P0671, P0672, P0673 and/or P0674 Stored in ECM Fault Memory
Check vehicle applicability
19A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Chevrolet | SILVERADO 1500 ↗ | 2024 |
| Chevrolet | SILVERADO 1500 ↗ | 2023 |
| Chevrolet | SILVERADO 2500 ↗ | 2019 |
| Chevrolet | SILVERADO 3500 ↗ | 2019 |
| GMC | SIERRA 1500 ↗ | 2024 |
| GMC | SIERRA 1500 ↗ | 2023 |
| GMC | SIERRA 2500 ↗ | 2019 |
| GMC | SIERRA 3500 ↗ | 2019 |
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.