JEEP

18-012-20 REV. B

Manufacturer communications

Publication date: 2020-06-30
Received by NHTSA: 2020-07-27
NHTSA record numbers: 10177542

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the followingDTCs have been set:P2C90 - Crankcase Ventilation System - Hose "A" Disconnected. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected.

NHTSA manufacturer communications ↗

Reported code forms

P0506 P0607 P2C90

Manufacturer wording

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

JeepP0506

Idle Speed Performance Lower Than Expected

NHTSA 10173371 · NHTSA 10173373 · NHTSA 10177530

JeepP0607

ECU Internal Performance

NHTSA 10169222 · NHTSA 10176577 · NHTSA 10177530

JeepP2C90

Crankcase Ventilation System - Hose "A" Disconnected

NHTSA 10177542 · NHTSA 10181540 · NHTSA 10221486

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	WRANGLER	2020

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