Home18-012-23 · JEEP
JEEP

18-012-23

Manufacturer communications

Publication date
2023-01-26
Received by NHTSA
2023-02-13
NHTSA record numbers
10231804

Manufacturer summary

Original wording in English

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 Code (DTC). U0402-00 - Implausible Data Received From TCM. U145D - Implausible Data Received From TCM On D-PT. Customers may experience one or more of the following: Vehicle may not be able to enter electric mode driving while Fuel Oil Refresh Mode (FORM) is active. FORM staying on too long. Other software enhancement included with this update: On Board Fuel Consumption Monitoring Updates (China Only) This bulletin involves reprogramming the PCM with the latest available software. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this PCM update: Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM). Transmission Control Module (TCM). Battery Pack Control Module (BPCM). Integrated Dual Charging Module (IDCM).

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Reported code forms

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MakeModelModel year
JeepWRANGLER2021

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