JEEP
18-004-16 REV. A
Manufacturer communications
- Publication date
- 2016-05-20
- Received by NHTSA
- 2018-06-18
- NHTSA record numbers
- 10141271 · 10181471
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: 2015 KL Only · **P0335 - Crankshaft Position Sensor Circuit.** · P0456 - EVAP System Small Leak. · P0300 - Multiple Cylinder Misfire. · P0301 - Cylinder 1 Misfire. · P0302 - Cylinder 2 Misfire. · P0303 - Cylinder 3 Misfire. · P0304 - Cylinder 4 Misfire. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. · U0402 - Implausible Data Received From TCM (ED6). · P0116 - Engine Coolant Temperature Sensor 1 Performance. · P050D - Cold Start Rough Idle. · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. · P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. · P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. · P0031 - O2 Sensor 1/1 Heater Circuit Low. In addition, some customers may experience one or more of the following conditions: · Cold Engine Startup Flare and Idle Surge (ED6). · Intermittent elevated engine RPM at start up. · Less than desired gear engagement in lower ambient temperatures. · Less than desired idle performance.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P0116Engine Coolant Temperature Sensor 1 PerformanceJeep
P0300Multiple Cylinder MisfireJeep
P0301Cylinder 1 MisfireJeep
P0302Cylinder 2 MisfireJeep
P0303Cylinder 3 MisfireJeep
P0304Cylinder 4 MisfireJeep
P0335Crankshaft Position Sensor Circuit.** ·Jeep
P0456EVAP System Small LeakJeep
P1607PCM Internal Shutdown Timer RationalityJeep
P2172High Airflow/Vacuum Leak DetectedJeep
P2610PCM Internal Engine Off Timer PerformanceJeep
U0402Implausible Data Received From TCM (ED6)Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.