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 wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P0203-00Fuel Injector 3 Circuit/Open
P0203:00Fuel injector circuit/open cylinder No.3
Manufacturer communications
34Original wording in English
CADILLAC, CHEVROLET, GMC
This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Check Engine Lamp illuminated on DIC, and having DTCs P0202, P0203 Set.
CADILLAC, CHEVROLET, GMC
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Check Engine Lamp illuminated on Driver Information Center (DIC), and having DTCs P0202, P0203 Set.
CADILLAC, CHEVROLET, GMC
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Check Engine Lamp illuminated on Driver Information Center (DIC), and having DTC’s P0202, P0203 Set.
VOLKSWAGEN
T8 fuel injector harness inspection for stored DTCs P0201, P0202, P0203, P0204.
Check vehicle applicability
777A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Buick | ENCLAVE ↗ | 2014 |
| Buick | ENCLAVE ↗ | 2013 |
| Buick | ENCLAVE ↗ | 2012 |
| Buick | ENCLAVE ↗ | 2011 |
| Buick | ENCLAVE ↗ | 2010 |
| Buick | ENCLAVE ↗ | 2009 |
| Buick | LACROSSE ↗ | 2014 |
| Buick | LACROSSE ↗ | 2013 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Injector Circuit Malfunction – Cylinder 3
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.