P2099 on the 2016 Jeep Cherokee
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 1800216REVC | 2022-12-19. Service bulletin. Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination, or a slight push in the vehicle may be felt when coasting down while the transmission shifts from 8th to 7th gear. Upon further investigation, the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **U1424 - Implausible Engine Torque Signal Received DTC False Failure. · P2097 - Downstream Fuel Trim System 1 Rich DTC Calibration Robustness Improvement. · P2099 - Downstream Fuel Trim System 2 Rich DTC Calibration Robustness Improvement.** · U0402 - Implausible Data Received. · B10EA - Blower Motor Control Circuit High. · B10E9 - Blower Motor Control Circuit Low. · P0456 - EVAP System Small Leak. In addition the following enhancements is included: · Vehicle shudder at stop/start with A/C on. |
|---|---|
| 1806420 | 2022-09-26. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs:P2610 - PCM Internal Engine Off Timer Performance. U1504 - Implausible Message Data Length Received From Steering Angle Sensor. U1424 - Implausible Engine Torque Signal Received DTC False Failure. P2097 - Downstream Fuel Trim System 1 Rich DTC Calibration Robustness Improvement. P2099 - Downstream Fuel Trim System 2 Rich DTC Calibration Robustness Improvement. U0402 - Implausible Data Received. B10EA - Blower Motor Control Circuit High. B10E9 - Blower Motor Control Circuit Low. P0456 - EVAP System Small Leak. In addition, the following software enhancements are available:Calibration update to allow the throttle body to be cycled while the engine is off, for diagnostic purposes. Calibration update for a slight push in the vehicle that may be felt when coasting down during a 8th to 7th gear downshift. Vehicle shudder at stop/start with A/C on. |
| 18-002-16 REV. C | 2020-10-26. Service bulletin. Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination, or a slight push in the vehicle may be felt when coasting down while the transmission shifts from 8th to 7th gear. Upon further investigation, the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **U1424 - Implausible Engine Torque Signal Received DTC False Failure. · P2097 - Downstream Fuel Trim System 1 Rich DTC Calibration Robustness Improvement. · P2099 - Downstream Fuel Trim System 2 Rich DTC Calibration Robustness Improvement.** · U0402 - Implausible Data Received. · B10EA - Blower Motor Control Circuit High. · B10E9 - Blower Motor Control Circuit Low. · P0456 - EVAP System Small Leak. In addition the following enhancements is included: · Vehicle shudder at stop/start with A/C on. |
| 18-064-20 | 2020-09-28. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs:P2610 - PCM Internal Engine Off Timer Performance. U1504 - Implausible Message Data Length Received From Steering Angle Sensor. U1424 - Implausible Engine Torque Signal Received DTC False Failure. P2097 - Downstream Fuel Trim System 1 Rich DTC Calibration Robustness Improvement. P2099 - Downstream Fuel Trim System 2 Rich DTC Calibration Robustness Improvement. U0402 - Implausible Data Received. B10EA - Blower Motor Control Circuit High. B10E9 - Blower Motor Control Circuit Low. P0456 - EVAP System Small Leak. In addition, the following software enhancements are available:Calibration update to allow the throttle body to be cycled while the engine is off, for diagnostic purposes. Calibration update for a slight push in the vehicle that may be felt when coasting down during a 8th to 7th gear downshift. Vehicle shudder at stop/start with A/C on. |
| 18-002-16 REV. C | 2018-06-18. Service bulletin. Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination, or a slight push in the vehicle may be felt when coasting down while the transmission shifts from 8th to 7th gear. Upon further investigation, the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **U1424 - Implausible Engine Torque Signal Received DTC False Failure. · P2097 - Downstream Fuel Trim System 1 Rich DTC Calibration Robustness Improvement. · P2099 - Downstream Fuel Trim System 2 Rich DTC Calibration Robustness Improvement.** · U0402 - Implausible Data Received. · B10EA - Blower Motor Control Circuit High. · B10E9 - Blower Motor Control Circuit Low. · P0456 - EVAP System Small Leak. In addition the following enhancements is included: · Vehicle shudder at stop/start with A/C on. |
5 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.