JEEP

1810423

Manufacturer communications

Publication date: 2023-10-31
Received by NHTSA: 2023-12-18
NHTSA record numbers: 10247492

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 Codes (DTCs) have been set: ? P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. ? P0604-00 - Internal Control Module Random Access Memory Ram Error. ? P060C-00 - Internal Control Module Main Processor Performance. This bulletin involves reprogramming the PCM with the latest available software.

NHTSA manufacturer communications ↗

Reported code forms

P0604 P060C P2C90

Manufacturer wording

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

JeepP0604-00

Internal Control Module Random Access Memory Ram Error

NHTSA 10247492 · NHTSA 10248917 · NHTSA 10248926

JeepP060C-00

Internal Control Module Main Processor Performance

NHTSA 10247478 · NHTSA 10247492 · NHTSA 10248917

JeepP2C90-00

Crankcase Ventilation System - Hose "A" Disconnected

NHTSA 10247492 · NHTSA 10248917 · NHTSA 10251852

Check vehicle applicability

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

Make	Model	Model year
Jeep	GRAND WAGONEER	2023
Jeep	WAGONEER	2023

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