JEEP
18-110-20
Manufacturer communications
- Publication date
- 2020-12-11
- Received by NHTSA
- 2021-03-01
- NHTSA record numbers
- 10187704
Manufacturer summary
Original wording in English
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs): U1504 - Implausible Message Data Length Received From Steering Angle Sensor. P1185 - General Pressure Sensor Correlation. U1424-00 - Implausible Engine Torque Signal Received. P0101 - Mass Air Flow Sensor "A" Circuit Performance. P0128 - Thermostat Rationality. P0300 - Multiple Cylinder Misfire. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. Some customers may also experience the following condition: Extended engine crank times or possibly a no start condition(South Korea only). During an engine limp mode condition, the transmission remains in a fixedgear.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P0101Mass Air Flow Sensor "A" Circuit PerformanceJeep
P0300Multiple Cylinder MisfireJeep
P0301Cylinder 1 MisfireJeep
P0302Cylinder 2 MisfireJeep
P0303Cylinder 3 MisfireJeep
P0304Cylinder 4 MisfireJeep
P1185General Pressure Sensor CorrelationJeep
U1424-00Implausible Engine Torque Signal ReceivedJeep
U1504Implausible Message Data Length Received From Steering Angle SensorCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | CHEROKEE | 2017 |