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TSB Document:

Affected Component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU)

Summary
Flash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) 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 Code (DTC). P061B-00 - Internal Control Module Torque Calculation Performance.P061B-00 DTC may set after driving on snow/ice in 2WD and Traction Control System (TCS) turned off. P06A3-00 - Sensor Reference Voltage "D" Circuit/Open. P0697-00 - Sensor Reference Voltage 3 Circuit. Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this HCP and AHCP update:Powertrain Control Module (PCM) Transmission Control Module (TCM). Battery Pack Control Module (BPCM). Integrated Dual Charging Module (IDCM).

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Date Published
AUG 26, 2021
NHTSA TSB #
10218591
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