JEEP
14-003-26
Manufacturer communications
- Publication date
- 2026-03-13
- Received by NHTSA
- 2026-03-18
- NHTSA record numbers
- 11030127
Manufacturer summary
Original wording in English
Not applicable to vehicles built for US market. Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• **P1336-00 - Multiple Cylinder Misfire.
• P1337-00 - Cylinder 1 Misfire.
• P1338-00 - Cylinder 2 Misfire.
• P1339-00 - Cylinder 3 Misfire.
• P1340-00 - Cylinder 4 Misfire.**
• P0300-00 - Multiple Cylinder Misfire.
• P0301-00 - Cylinder 1 Misfire.
• P0302-00 - Cylinder 2 Misfire.
• P0303-00 - Cylinder 3 Misfire.
• P0304-00 - Cylinder 4 Misfire. Customers may also comment on one or more of the following:
• Unstable idle.
• Abnormal engine noise. , Diagnostic section, Repair Procedure, additional Claims Data Note, Special Tool and Reading Defects and Cleaning Procedure Of
• **P1336-00 - Multiple Cylinder Misfire.
• P1337-00 - Cylinder 1 Misfire.
• P1338-00 - Cylinder 2 Misfire.
• P1339-00 - Cylinder 3 Misfire.
• P1340-00 - Cylinder 4 Misfire.**
• P0300-00 - Multiple Cylinder Misfire.
• P0301-00 - Cylinder 1 Misfire.
• P0302-00 - Cylinder 2 Misfire.
• P0303-00 - Cylinder 3 Misfire.
• P0304-00 - Cylinder 4 Misfire. Customers may also comment on one or more of the following:
• Unstable idle.
• Abnormal engine noise. , Diagnostic section, Repair Procedure, additional Claims Data Note, Special Tool and Reading Defects and Cleaning Procedure Of
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P0300-00Multiple Cylinder MisfireJeep
P0301-00Cylinder 1 MisfireJeep
P0302-00Cylinder 2 MisfireJeep
P0303-00Cylinder 3 MisfireJeep
P0304-00Cylinder 4 MisfireJeep
P1336-00Multiple Cylinder MisfireJeep
P1337-00Cylinder 1 MisfireJeep
P1338-00Cylinder 2 MisfireJeep
P1339-00Cylinder 3 MisfireJeep
P1340-00Cylinder 4 MisfireCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.