P21CC · 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 · 2021-04-29

Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM 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) have been set: P0563-00 - System Voltage High(2020 M6 Vehicles equipped with 2.0L I4 Turbo Diesel Engine W/ESS (Sales Code EBS only)). P21CC?00 - Reductant Control Module Supply Voltage High(2020 M6 Vehicles equipped with (Sales Code EBS only)). P1515-00 - Plausibility Check R1 Stuck Closed Or Vsensing Short To Battery In Engine Running(2019 M6 only). B25C9 - Driver Door Ajar Switch 2 Stuck Closed (Module, Powertrain Control (PCM)). Stored DTC only, this update isnotfor active fault.If B25C9 is an…

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: Body Control Module (BCM) Updates This bulletin involves reprogramming the BCM 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) have been set: P0563-00 - System Voltage High(2020 M6 Vehicles equipped with 2.0L I4 Turbo Diesel Engine W/ESS (Sales Code EBS only)). P21CC?00 - Reductant Control Module Supply Voltage High(2020 M6 Vehicles equipped with (Sales Code EBS only)). P1515-00 - Plausibility Check R1 Stuck Closed Or Vsensing Short To Battery In Engine Running(2019 M6 only). B25C9 - Driver Door Ajar Switch 2 Stuck Closed (Module, Powertrain Control (PCM)). Stored DTC only, this update isnotfor active fault.If B25C9 is an…

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 · 2019-10-15

Body Control Module (BCM) Replacement This bulletin involves inspecting and replacing the BCM if needed. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) have been set: P0563-00 ? Urea Heater System Voltage High. P2BAF-00 ? Driver Inducement Active. P21CC-00 ? SCRM Main Supply Voltage High. In addition, customers or technicians may comment on one or more of the following:Diesel Exhaust Fluid (DEF) system check message appears on instrument cluster. Engine Start Stop (ESS) not working. 4WD system not engaging.