P20F6 · Manufacturer communications

JEEP · 2023-11-22

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0563-00 - System Voltage High. ? P21CC-00 - Reductant Control Module Supply Voltage High. ? P20F6-00 - Reductant Injection Valve Stuck Open Bank One Unit One. ? P208E-00 - Reductant Injector Stuck Closed - Bank One Unit One. ? P24B2-00 - Particulate Matter Sensor Circuit Intermittent. ? P00C0-00 - Turbocharger-Supercharger Bypass Valve Two Control Circuit. Customers may also comment on one or more of the following: ? **Vehicle not starting. ? Battery not charging. ? Engine oil Temp High message in the Instrument Panel Cluster (IPC). ?…

JEEP · 2023-01-19

Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTC)s: **P24D1-00 - Particulate Matter Sensor Regeneration Incomplete. P24AE-00 - Particulate Matter Sensor Circuit. P24B0-00 - Particulate Matter Sensor Circuit Low. P24B1-00 - Particulate Matter Sensor Circuit High. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P24D0-00 - Particulate Matter Sensor Supply Voltage Circuit Low. P24D3-00 - Particulate Matter Sensor Supply - Circuit Voltage Above Threshold. P24AF-00 - Particulate Matter Sensor Circuit Performance. P24B5-00 - Particulate Matter Sensor Heater Control Circuit Low. P24B6-00 - Particulate…

JEEP · 2021-04-29

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 Diagnostic Trouble Codes (DTCs) have been set: P0563-00 - System Voltage High (M6 Vehicles only). P21CC-00 - Reductant Control Module Supply Voltage High (M6 Vehicles only). P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P00C0-00 - Turbocharger-Supercharger Bypass Valve 2 Control Circuit. Additional customer concerns:Engine Stop/Start (ESS) not functioning properly. Four wheel…

JEEP · 2021-04-29

Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) 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 Diagnostic Trouble Codes (DTCs) have been set: P0563-00 - System Voltage High(2020 M6 Vehicles only). P21CC-00 - Reductant Control Module Supply Voltage High(2020 M6 Vehicles only). P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module (PCM) and BCM causing a false illumination of the Malfunction Indicator…

JEEP · 2021-04-29

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 Diagnostic Trouble Codes (DTCs) have been set: P0563-00 - System Voltage High (M6 Vehicles only). P21CC-00 - Reductant Control Module Supply Voltage High (M6 Vehicles only). P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P00C0-00 - Turbocharger-Supercharger Bypass Valve 2 Control Circuit. Additional customer concerns:Engine Stop/Start (ESS) not functioning properly. Four wheel…

JEEP · 2021-04-29

Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) 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 Diagnostic Trouble Codes (DTCs) have been set: P0563-00 - System Voltage High(2020 M6 Vehicles only). P21CC-00 - Reductant Control Module Supply Voltage High(2020 M6 Vehicles only). P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module (PCM) and BCM causing a false illumination of the Malfunction Indicator…

JEEP · 2021-04-23

Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) or symptom/condition.P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1.

JEEP · 2021-04-23

Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) or symptom/condition.P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1.

JEEP · 2021-04-17

Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) with the latestavailable 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) or symptom/condition.P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module (PCM) and BCM causing a false illumination of the Malfunction IndicatorLamp (MIL)(2019 MP Only).

JEEP · 2021-04-17

Flash: Dosing Control Unit (DCU) Updates This bulletin involves reprogramming the Dosing Control Unit (DCU) with the latestavailable 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) or symptom/condition.P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. Incompatible software between the DCU, Powertrain Control Module (PCM) and BCM causing a false illumination of the Malfunction IndicatorLamp (MIL)(2019 MP Only).

JEEP · 2020-05-14

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 the following Diagnostic Trouble Codes (DTCs) has been set:P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1. P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit 1. P24B2-00 - Particulate Matter Sensor Circuit Intermittent. P00C0-00 - Turbocharger-Supercharger Bypass Valve 2 Control Circuit. Additional enhancement included in this software:Improvement for the auxiliary coolant pump to help prevent stuck injection valve. Calibration update for proper engine operation.

JEEP · 2020-04-07

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs or symptom/condition.P24B2-00 - Particulate Matter Sensor Circuit Intermittent(EBS Sales Code only). P20F6-00 - Reductant Injection Valve Stuck Open Bank 1 Unit 1(EBS Sales Code only). P208E-00 - Reductant Injector Stuck Closed - Bank 1 Unit1(EBS Sales Code only). The Engine Stop/Start (ESS) system remains in the last used state and does not default back to ON for each key cycle as designed(Vehicles on the RRT VIN list only).