P061B · Manufacturer communications

JEEP · 2026-05-12

Flash: Electric Vehicle Control Unit (EVCU) Updates - PCR8A3 Customers may experience the following: ● The vehicle will not start and cannot be keyed off. NOTE: The vehicles 12V system remains powered up. ● Engine Stop/Start (ESS) bumps or lack of refinement. ● Rough Road Cruise Control (RRCC) function inoperable. ● Vehicle rolls back during low-speed Advanced Driver Assistance Systems (ADAS) usage when on a hill. The following software enhancements are also available: ● Diagnostic improvements for DTCs P061B, P3034 and U0111. ● Improved torque transitions when changing drive modes. ● Improved torque management for garage shifts. ● Improved fault reactions, allowing better limp-home functionality with critical faults. ● Improved ESS refinement. ● Updated Data Identifier Diagnostics to…

RAM · 2026-05-05

Flash: Electronic Vehicle Control Unit (EVCU) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P061B-00 - Internal Control Module Torque Calculation Performance. ● P1444-00 - Power Inverter Module - Incorrect Control Mode. ● P1E18-00 - Internal Control Module Electronic Park Performance. Customers may experience the following: ● At start up, the vehicle will shut down. ● At start up, the vehicle will not start. This bulletin involves reprogramming the EVCU with the latest available software.

RAM · 2026-05-05

Flash: Electronic Vehicle Control Unit (EVCU) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P061B-00 - Internal Conttrol Module Torque Calculation Performance. ● P1444-00 - Power Inverter Module - Incorrect Control Mode. ● P1E18-00 - Internal Control Module Electronic Park Performance. Customers may experience the following: ● At start up, the vehicle will shut down. ● At start up, the vehicle will not start This bulletin involves reprogramming the EVCU with the latest available software.

DODGE · 2026-03-07

RSU With Additional Sleep Cycles for HV Battery Integrity Check Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B12B4-00 - Charge Status Indicator Module Internal. ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Loss of communication between EVCU and the Battery Pack…

DODGE · 2026-03-07

Flash: Electronic Vehicle Control Unit (EVCU) Updates 6B3 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Will not be able to start the vehicle. ● 12V battery dead resulting in no start. ● Loss of communication between…

DODGE · 2026-03-07

Flash: Electronic Vehicle Control Unit (EVCU) Updates 11B3 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B12B4-00 - Charge Status Indicator Module Internal. ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Loss of communication between EVCU and the Battery Pack…

MAZDA · 2026-02-26

Some vehicles may display some (or all) of the following symptoms: • Check engine light on with DTC P061B • Light increase in engine rpms during acceleration • Transmission will not shift past 4th gear • Various U codes (U0401 ABS, U0401, U0415 FSC, U0301, U0316 SBS/MRCC, U0442 TCM) may be set

JEEP · 2025-12-18

Flash: Electronic Vehicle Control Unit (EVCU) Updates 6B3 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● **Will not be able to start the vehicle. ● 12V battery dead resulting in no start. ● Loss of communication between EVCU and…

DODGE · 2025-12-18

RSU With Additional Sleep Cycles for HV Battery Integrity Check - Flash: Electronic Vehicle Control Unit (EVCU) Updates 11B3 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **B12B4-00 - Charge Status Indicator Module Internal.** ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ●…

JEEP · 2025-12-18

RSU With Additional Sleep Cycles for HV Battery Integrity Check - Flash: Electronic Vehicle Control Unit (EVCU) Updates 11B3 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **B12B4-00 - Charge Status Indicator Module Internal.** ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ●…

DODGE · 2025-12-18

Flash: Electronic Vehicle Control Unit (EVCU) Updates 6B3 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● **Will not be able to start the vehicle. ● 12V battery dead resulting in no start. ● Loss of communication between EVCU and…

DODGE · 2025-12-18

Flash: Electronic Vehicle Control Unit (EVCU) Updates 11B3 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **B12B4-00 - Charge Status Indicator Module Internal.** ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● **Will not be able to start the vehicle. ● 12V battery dead…

JEEP · 2025-12-18

Flash: Electronic Vehicle Control Unit (EVCU) Updates 11B3 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **B12B4-00 - Charge Status Indicator Module Internal.** ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● **Will not be able to start the vehicle. ● 12V battery dead…

FORD · 2025-12-04

Some 2020-2026 Police Interceptor Utility hybrid vehicles may exhibit multiple warning messages, various drivability concerns and/or an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P061B stored in the powertrain control module (PCM). This may be due to the incorrect installation of additional police equipment. Equipment should only use the provided rear power access point and must not use the 12V cranking or 12V auxiliary batteries for power. The vehicle will go to sleep after the ignition key is removed and is not designed to power equipment when the vehicle is not running. If equipped, the Police Engine Idle feature can be used to allow the vehicle to securely remain idling and to power equipment. Refer to the Owners Manual.<br /><br /> If it is…

JEEP · 2025-09-30

Electric Vehicle Control Unit (EVCU) Replacement Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● wiTECH is unable to recognize and update the EVCU software. ● Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range incorrect. ● Improved battery State of Charge (SoC) accuracy in off-nominal…

JEEP · 2025-07-19

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle mustexhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P04B5 - Fuel Fill Door Stuck Open. ● P1D83 - Implausible Engine Oil Temperature Signal Received.** ● P2450 - Fuel Tank Isolation Valve Stuck Open. ● P0032 - O2 Sensor 1/1 Heater Circuit High. ● P2097 - Downstream Fuel Trim System 1 Rich. ● P0171 - Fuel System 1/1 Lean. ● P0300 - Multiple Cylinder Misfire. ● P06E4 - Control Module Wake-Up Circuit Performance. ● B12B4 - Charge Status Indicator Module Internal. ● P061B - Internal Control Module Torque Calculation Performance. ● P0810 - Clutch Position Control Error. ● P2885 - Engine Disconnect Clutch Engagement Fault.…

JEEP · 2025-07-10

Flash: Electronic Vehicle Control Unit (EVCU) Updates 6A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range…

JEEP · 2025-07-10

RSU With Additional Sleep Cycles for HV Battery Integrity Check - Flash: Electronic Vehicle Control Unit (EVCU) Updates 11A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Instrument Panel Cluster (IPC), radio range and charge…

JEEP · 2025-07-10

Flash: Electronic Vehicle Control Unit (EVCU) Updates 11A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right. ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range…

JEEP · 2025-07-02

Flash: Electronic Vehicle Control Unit (EVCU) Updates 6A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right.** ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range…

DODGE · 2025-07-02

RSU With Additional Sleep Cycles for HV Battery Integrity Check - Flash: Electronic Vehicle Control Unit (EVCU) Updates 11A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right.** ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Instrument Panel Cluster (IPC), radio range and charge…

JEEP · 2025-07-02

RSU With Additional Sleep Cycles for HV Battery Integrity Check - Flash: Electronic Vehicle Control Unit (EVCU) Updates 11A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right.** ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Instrument Panel Cluster (IPC), radio range and charge…

DODGE · 2025-07-02

Flash: Electronic Vehicle Control Unit (EVCU) Updates 11A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right.** ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range…

JEEP · 2025-07-02

Flash: Electronic Vehicle Control Unit (EVCU) Updates 11A2 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **C10FA-00 - Wheel Hub disconnect Actuator Performance Left. ● C10FB-00 - Wheel Hub disconnect Actuator Performance Right.** ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range…

JEEP · 2025-05-24

"Flash: Powertrain Control Module (PCM) 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): ● **P2450 - Fuel Tank Isolation Valve Stuck Open.** ● P0032 - O2 Sensor 1/1 Heater Circuit High. ● P2097 - Downstream Fuel Trim System 1 Rich. ● P0171 - Fuel System 1/1 Lean. ● P0300 - Multiple Cylinder Misfire. ● P06E4 - Control Module Wake-Up Circuit Performance. ● B12B4 - Charge Status Indicator Module Internal. ● P061B - Internal Control Module Torque Calculation Performance. ● P0810 - Clutch Position Control Error. ● P2885 - Engine Disconnect Clutch Engagement Fault. Customers may also experience one or more of the following: ● **""Service Hybrid System"" message…

JEEP · 2025-05-10

"Electric Vehicle Control Unit (EVCU) Replacement Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● wiTECH is unable to recognize and update the EVCU software. ● Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range incorrect. ● Improved battery State of Charge (SoC) accuracy in off-nominal…

JEEP · 2025-04-30

"RSU With Additional Sleep Cycles for HV Battery Integrity Check - Flash: Electronic Vehicle Control Unit (EVCU) Updates 11A1 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● **Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range incorrect. ● Improved battery State of Charge (SoC) accuracy…

DODGE · 2025-04-30

"RSU With Additional Sleep Cycles for HV Battery Integrity Check - Flash: Motor Control Processor A (MCP A) Updates 11A1 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● **Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range incorrect. ● Improved battery State of Charge (SoC) accuracy in…

JEEP · 2025-04-29

"Flash: Electronic Vehicle Control Unit (EVCU) Updates 11A1 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● **Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range incorrect. ● Improved battery State of Charge (SoC) accuracy in off-nominal conditions. ● Battery heating values incorrect on…

DODGE · 2025-04-29

"Flash: Electronic Vehicle Control Unit (EVCU) Updates 11A1 Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● C10F8-00 - Left Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● C10F9-00 - Right Front Wheel Hub Disconnect Actuator Position Sensor Circuit Range/Performance. ● P061B-00 - Internal Control Module Torque Calculation Performance. Customers may also comment on one or more of the following: ● **Instrument Panel Cluster (IPC), radio range and charge time estimations and messages are not correct. ● Battery range incorrect. ● Improved battery State of Charge (SoC) accuracy in off-nominal conditions. ● Battery heating values incorrect on…