P0607 · Manufacturer communications

JEEP · 2026-10-08

Not applicable to vehicles built for US market. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P0607 - Control Module Performance. Customers may also comment on one or more of the following: ● The vehicle will not start until the ignition is cycled for a second time. ● Engine malfunction (injection) warning lamp illuminated in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the PCM with the latest available software.

JEEP · 2026-10-08

Not applicable to vehicles built for US market. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P0607 - Control Module Performance. Customers may also comment on one or more of the following: ● The vehicle will not start until the ignition is cycled for a second time. ● Engine malfunction (injection) warning lamp illuminated in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the PCM with the latest available software.

JEEP · 2026-08-07

Malfunction Indicator Lamp (MIL) With Diagnostic Trouble Code (DTC) P0607 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P0607-00 - ECU Internal Performance. Customers may also comment on the following: ● The check engine lamp is illuminated on the Instrument Panel Cluster (IPC) when the vehicle is started.

JEEP · 2026-02-13

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0607-00 - ECU Internal Performance. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High.** ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0BBE-00 - Hybrid/EV Battery Pack Voltage Variation. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0D0F-00 - Hybrid/ EV Battery Negative Contactor “A” Stuck Closed. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck…

JEEP · 2026-02-12

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0607-00 - ECU Internal Performance. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High.** ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0BBE-00 - Hybrid/EV Battery Pack Voltage Variation. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0D0F-00 - Hybrid/ EV Battery Negative Contactor “A” Stuck Closed. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck…

JEEP · 2026-02-12

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0607-00 - ECU Internal Performance. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High.** ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0BBE-00 - Hybrid/EV Battery Pack Voltage Variation. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0D0F-00 - Hybrid/ EV Battery Negative Contactor “A” Stuck Closed. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck…

JEEP · 2026-02-12

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0607-00 - ECU Internal Performance. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High.** ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0BBE-00 - Hybrid/EV Battery Pack Voltage Variation. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0D0F-00 - Hybrid/ EV Battery Negative Contactor “A” Stuck Closed. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck…

JEEP · 2026-02-12

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0607-00 - ECU Internal Performance. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed.** ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0BBE-00 - Hybrid/EV Battery Pack Voltage Variation. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. **Customers may also experience the following: ● Vehicle…

JEEP · 2026-02-06

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● P0B28-00 - Hybrid/EV Battery "B" Voltage Unstable. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0607-00 - ECU Internal Performance. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failied. ● P0BBE-00 - Hybrid/EV Battery…

JEEP · 2026-02-06

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● P0B28-00 Hybrid/EV Battery "B" Voltage Unstable. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0607-00 - ECU Internal Performance. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failied. ● P0BBE-00 - Hybrid/EV Battery…

JEEP · 2026-02-04

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0B28-00 - Hybrid/EV Battery “B” Voltage Unstable. ● P0BBE-00 - Hybrid/EV Battery Pack Voltage Variation. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0607-00 - ECU Internal Performance. Customers may also comment on the following: ● Vehicle does not start. NOTE: The…

JEEP · 2026-02-04

Flash: Battery Pack Control Module (BPCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0B28-00 - Hybrid/EV Battery “B” Voltage Unstable. ● P0BBE-00 - Hybrid/EV Battery Pack Voltage Variation. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0607-00 - ECU Internal Performance.** **Customers may also comment on the following: ● Vehicle does not start.…

JEEP · 2026-01-31

Flash: Battery Pack Control Module (BPCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● **P0B28-00 - Hybrid/EV Battery “B” Voltage Unstable. ● P0BBE-00 - Hybrid/EV Battery Pack Voltage Variation. ● P0AA1 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0C78 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6 - Hybrid/EV Battery Charging Current High. ● P0B24 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E - Hybrid/EV Battery State Of Health Failed.** ● P1A21-00 - HV Battery Contactor Control Sequence Incorrect. ● P0B3E-00 - Hybrid/EV Battery Voltage Sense 1 Circuit High. ● P0607-00 - ECU Internal Performance. ● P1E1B-00 - Hybrid/EV…

JEEP · 2026-01-31

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● **P0B28-00 - Hybrid/EV Battery "B" Voltage Unstable.** ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0607-00 - ECU Internal Performance. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failied. ● P0BBE-00 - Hybrid/EV Battery Pack…

JEEP · 2026-01-31

Flash: Battery Pack Control Module (BPCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● **P0B28-00 Hybrid/EV Battery "B" Voltage Unstable.** ● P0DAB-00 - Hybrid/EV Cell Balancing Performance. ● P0607-00 - ECU Internal Performance. ● P0AA1-00 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4-00 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0B24-00 - Hybrid/EV Battery "A" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failied. ● P0BBE-00 - Hybrid/EV Battery Pack…

JEEP · 2025-11-01

Malfunction Indicator Lamp (MIL) Illumination And Service Transmission Message Displayed. Diagnostic Trouble Code (DTC) P0607-ECU Internal Performance

JEEP · 2025-10-25

Not applicable to vehicles built for US market. Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0133 - O2 Sensor 1/1 Slow Response. ● P2251 - O2 Sensor 1/1 Negative Current Control Circuit/Open. ● P0131 - O2 Sensor 1/1 Circuit Low. ● P2626 - O2 Sensor 1/1 Pump Cell Current Trim Circuit/Open. ● P0607 - ECU Internal Performance. ● C140A - Transfer Case Motor Control. ● P02EE - Cylinder 1 injector Circuit Performance. ● P02EF - Cylinder 2 injector Circuit Performance. ● P02F0 - Cylinder 3 Injector Circuit Performance. ● P02F1 - Cylinder 4 Injector Circuit Performance. ● U0109 - Lost Communication With Fuel Pump Control Module. ●…

JEEP · 2025-09-27

Not applicable to vehicles built for US market. Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● U11E3-00 - TCM Lost Communication With ESM On DPT CAN. ● B15A1-00 - Media Port 1 Connection. ● U11C2 - Lost Transmission Message. ● U11E4-00 - CAN Communication Messages Missing. ● U120C - Lost Brake Booster Signal. ● U1216-00 - Lost Communication With DASM. ● U121E-00 - Lost Communication With Steering Wheel Cruise Control Switch. ● U1267-00 - No Valid Data From ESM On CAN-C Or CAN-DPT. ● U12A8 - Lost Communication With Master Cylinder Pressure Sensor. ● U1465-00 - Implausible Driver Shift Request Signal Received. ● U1466-00-…

JEEP · 2025-07-11

NOTE: Not applicable to vehicles built for the US Market. Flash: Powertrain Control Module (PCM) Updates Technicians may experience the following Diagnostic Trouble Code (DTC): ● P0607 - Control Module Performance. Customers may also comment on one or more of the following: ● The vehicle will not start until the ignition is cycled for a second time. ● Injection light is illuminated in the Instrument Panel Cluster (IPC) This bulletin involves reprogramming the PCM with the latest available software.

JEEP · 2025-07-04

NOTE: Not applicable to vehicles built for US Market. Flash: Powertrain Control Module (PCM) Updates Technicians may experience the following Diagnostic Trouble Code (DTC): ● P0607 - Control Module Performance. Customers may also comment on one or more of the following: ● The vehicle will not start until the ignition is cycled for a second time. ● Injection light is illuminated in the Instrument Panel Cluster (IPC) This bulletin involves reprogramming the PCM with the latest available software.

JEEP · 2025-04-26

Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0133 - O2 Sensor 1/1 Slow Response. ● P2251 - O2 Sensor 1/1 Negative Current Control Circuit/Open. ● P0131 - O2 Sensor 1/1 Circuit Low. ● P2626 - O2 Sensor 1/1 Pump Cell Current Trim Circuit/Open. ● P0607 - ECU Internal Performance. ● C140A - Transfer Case Motor Control. ● P02EE - Cylinder 1 injector Circuit Performance. ● P02EF - Cylinder 2 injector Circuit Performance. ● P02F0 - Cylinder 3 Injector Circuit Performance. ● P02F1 - Cylinder 4 Injector Circuit Performance. ● U0109 - Lost Communication With Fuel Pump Control Module. ● P0330 - Knock Sensor 2 Circuit. ● P023B - Charge…

JEEP · 2025-04-22

"Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0133 - O2 Sensor 1/1 Slow Response. ● P2251 - O2 Sensor 1/1 Negative Current Control Circuit/Open. ● P0131 - O2 Sensor 1/1 Circuit Low. ● P2626 - O2 Sensor 1/1 Pump Cell Current Trim Circuit/Open. ● P0607 - ECU Internal Performance. ● C140A - Transfer Case Motor Control. ● P02EE - Cylinder 1 injector Circuit Performance. ● P02EF - Cylinder 2 injector Circuit Performance. ● P02F0 - Cylinder 3 Injector Circuit Performance. ● P02F1 - Cylinder 4 Injector Circuit Performance. ● U0109 - Lost Communication With Fuel Pump Control Module. ● P0330 - Knock Sensor 2 Circuit. ● P023B - Charge…

JEEP · 2025-04-09

"Flash: Transmission Control Module(TCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● P0607-00 - ECU Internal Performance. Customers may also experience the following: ● Blinking shifter and the inability to shift out of Park, or a no crank con This bulletin involves reprogramming the TCM with the latest available software"

JEEP · 2024-12-14

"Flash: Battery Pack Control Module (BPCM) Enhancements 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: ● **P0DAB - Hybrid/EV Cell Balancing Performance.** ● P0AA4 - Hybrid/EV Battery Negative Contactor 'A' Circuit Stuck Closed. ● P0AA1 - Hybrid Battery Positive Contactor Circuit Stuck Closed. ● P0CA6 - Hybrid/EV Battery Charging Current High. ● P0B24 - Unstable Hybrid Battery ‘A’ Voltage. ● P1C5E - Battery State or Health Failed. ● P0BBE - No Start - Loss or Reduction of Propulsion. ● P0607-00 - ECU Internal Performance. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. This bulletin involves reprogramming the BPCM with the…

JEEP · 2024-12-14

"Flash: Battery Pack Control Module (BPCM) Enhancements 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: ● **P0DAB - Hybrid/EV Cell Balancing Performance.** ● P0AA4 - Hybrid/EV Battery Negative Contactor 'A' Circuit Stuck Closed. ● P0AA1 - Hybrid Battery Positive Contactor Circuit Stuck Closed. ● P0CA6 - Hybrid/EV Battery Charging Current High. ● P0B24 - Unstable Hybrid Battery ‘A’ Voltage. ● P1C5E - Battery State or Health Failed. ● P0BBE - No Start - Loss or Reduction of Propulsion. ● P0607-00 - ECU Internal Performance. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. This bulletin involves reprogramming the BPCM with the…

JEEP · 2024-12-14

"Flash: Battery Pack Control Module (BPCM) 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 (DTCs) have been set: ● **P0DAB - Hybrid/EV Cell Balancing Performance.** ● P0AA1 - Hybrid/EV Battery Positive Contactor “A” Stuck Closed. ● P0AA4 - Hybrid Battery Negative Contactor Circuit Stuck Closed. ● P0CA6-00 - Hybrid/EV Battery Charging Current High. ● P0B24-00 - Hybrid/EV Battery ""A"" Voltage Unstable. ● P1C5E-00 - Hybrid/EV Battery State Of Health Failed. ● P0BBE-00 - Hybrid/EV Battery pack Voltage Variation. ● P0607-00 - ECU Internal Performance. ● P0C78 - Hybrid/EV Battery System Precharge Time Too Long This bulletin involves updating the BPCM with…

JEEP · 2024-09-27

Malfunction Indicator Lamp (MIL) Illumination And Service Transmission Message Displayed. Diagnostic Trouble Code (DTC) P0607-ECU Internal Performance, Set.

JEEP · 2023-11-21

Flash: Battery Pack Control Module (BPCM) Diagnostic and System 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 (DTCs) have been set: ? P0607-00 - ECU Internal Performance. ? P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. This bulletin involves updating the BPCM with the latest available software.

JEEP · 2023-11-21

Flash: Battery Pack Control Module (BPCM) Diagnostic and System Update 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: ? P0607-00 - ECU Internal Performance. ? P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. This bulletin involves updating the BPCM with the latest available software.

JEEP · 2023-11-21

Flash: Battery Pack Control Module (BPCM) Diagnostic and System 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 (DTCs) have been set: ? P0607-00 - ECU Internal Performance. ? P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. This bulletin involves updating the BPCM with the latest available software.