Home18-022-24 REV. A · JEEP
JEEP

18-022-24 REV. A

Manufacturer communications

Publication date
2024-05-16
Received by NHTSA
2024-06-07
NHTSA record numbers
11001250

Manufacturer summary

Original wording in English

"Flash: Powertrain Control Module (PCM) Enhancements **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):**
• 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:
• Noticeable oil life degradation when fuel and oil refresh mode active.
• 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 software available. 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.
• Battery Pack Control Module (BPCM).
• Transmission Control Module (TCM).
• Integrated Dual Charging Control Module (IDCM).
• Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM)."

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
JeepWRANGLER2021

Data coverage →