Flash: Pcm For OBD Readiness For Downstream O2 Slow Response Monitor (18-027-10)

Publication date: 2010-10-25
Reference number: 18-027-10

FLASH: PCM FOR OBD READINESS FOR DOWNSTREAM O2 SLOW RESPONSE MONITOR

TECHNICAL SERVICE BULLETIN

Reference Number(s): 18-027-10, Date of Issue: October 05, 2010

CHRYSLER:	2010 - 2011 (JK) Wrangler
GROUP:	Vehicle Performance

NOTE: HELP USING THE wiTECH DIAGNOSTIC APPLICATION FOR FLASHING AN ECU IS AVAILABLE BY SELECTING "HELP" THEN "HELP CONTENTS" AT THE TOP OF THE wiTECH DIAGNOSTIC APPLICATION WINDOW.

NOTE: THE wiTECH SOFTWARE LEVEL MUST BE AT RELEASE 11.01 OR HIGHER TO PERFORM THIS PROCEDURE.

SUBJECT

Flash: PCM For OBD Readiness For Downstream O2 Slow Response Monitor

OVERVIEW

This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software.

NOTE: This bulletin applies to vehicles equipped with a 3.8L engine and 50 State emissions (sales code EGT and NAS).

SYMPTOM/CONDITION

The customer may have O2 Monitor Not Ready (generic scan tool shows O2S RDY...........No), as indicated by a State I/M Test failure or as indicated by the Readiness self test described in the Owner's Manual.

DIAGNOSIS

Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems are functioning as designed. If DTC's are present record them on the repair order and repair as necessary before proceeding further with this bulletin.

PARTS REQUIRED

PARTS INFORMATION

Qty.	Part No.	Description
1	04275086AB	Label, Authorized Modification

REPAIR PROCEDURE

NOTE: If this flash process is interrupted/aborted, the flash should be restarted.

Reprogram the PCM with the latest software. Follow the detailed service procedures available in DealerCONNECT/TechCONNECT, Refer To Group 8 - Electrical > Electronic Control Modules - Service Information > Module - Powertrain Control > Standard Procedures > PCM/ECM Programming - Gas. After PCM reprogramming, the following must be performed:
1. Clear any DTC's that may have been set in other modules due to reprogramming. The wiTECH application will automatically present all DTCs after the flash and allow the tech to clear them.
Type the necessary information on the "Authorized Modification Label" and attach it near the VECI label.

POLICY

Reimbursable within the provisions of the warranty.

TIME ALLOWANCE

Labor Operation No:	Description	Amount
18-19-06-H5	Module, Powertrain Control (PCM) - Reprogram (B)	0.2 Hrs.

FAILURE CODE

FM	Flash Module