Engine Control Module (ECM) Software Upgrade (Reprogram ECM) (05538B)

Publication date: 2005-06-02
Reference number: 05538B
Supersedes refnos: 05538, 05538A

ENGINE CONTROL MODULE (ECM) SOFTWARE UPGRADE (REPROGRAM ECM)

SERVICE CAMPAIGN BULLETIN

Reference Number(s): 05538B, Date of Issue: June 2, 2005

SATURN:	2005 Saturn ION vehicles with 2.2L four-cylinder engine (VIN F - RPO L61) built prior to and including VIN Breakpoints listed in table
GROUP:	06 - Engine/Propulsion System

Superceded Bulletin(s): 05538A

NOTE: Prior to sale or delivery of any 2005 Saturn ION with a 2.2L four-cylinder engine (RPO L61) currently in your inventory, perform this correction on vehicles built prior to and including VIN Breakpoints listed in the table below.

NOTE: This bulletin is being revised to delete the end date. Please discard Inventory Upgrade Bulletin 05538A, issued May, 2005.

VIN Breakpoints

Transaxle	Wheel Size	VIN Breakpoint
Automatic (RPO MN5)	16 Inch (RPO PG0 or NV2)	Prior to and including 5Z147704
Automatic (RPO MN5)	14/15 Inch (RPO PG1, PB9, or PF7)	Prior to and including 5Z148298
Manual (RPO M86)	16 Inch (RPO PG0 or NV2)	Prior to and including 5Z148592
Manual (RPO M86)	14/15 Inch (RPO PG1, PB9, or PF7)	Prior to and including 5Z148696

Condition

The original equipment ECM calibration may cause the vehicle to exhibit any one of a number of symptoms.

Correction

Update every affected 2005 Saturn ION with a 2.2L four-cylinder engine (RPO L61) in retail inventory with the latest ECM calibrations. Follow the steps listed in the Service Procedure section of this bulletin to reprogram the ECM with appropriate new calibration.

Service Procedure

Reprogramming ECM

IMPORTANT: Before installing new ECM calibration, make sure the Saturn Service Stall (SSS) version is TIS 5.0 2005 or later.

IMPORTANT: While ignition is OFF, apply parking brake to disable daytime running lights (DRLs) prior to starting reprogramming procedures.

IMPORTANT: Technician must select "Reprogram" option in order to reprogram the ECM.

Reprogram the ECM with the appropriate calibration.

Use the Saturn Service Stall System (SSS) software version 5.0 2005 or later data CD. Refer to "Service Programming System (SPS)" in the SSS User Guide and "Service Programming System (SPS)" in the Vehicle Control Systems section of the 2005 Saturn ION Service Manual, Vol. 3 (SI Document ID# 1265170) for reprogramming procedures.

Claim Information

To receive credit for this repair, submit a claim through the Saturn Dealer System for Y0035 (EE PROM - Reprogramming [Install New PCM Calibration]). This is a unique labor operation number for use only with this bulletin. This number will not be published in the Labor Time Guide.

05538B Engine Control Module (ECM) Software Upgrade (Reprogram ECM) (CANADA)

Models: 2005 Saturn ION vehicles with 2.2L four-cylinder engine (VIN F - RPO L61) built prior to and including VIN Breakpoints listed in table

Attention: General Motors of Canada Ltd. Saturn Retailers

Prior to sale or delivery of any 2005 Saturn ION with a 2.2L four-cylinder engine (RPO L61) currently in your inventory, perform this correction on vehicles built prior to and including VIN Breakpoints listed in the table below.

This bulletin is being revised to change "Replace and Reprogram" option to "Reprogram" in the Service Procedure and to delete the end date. Please discard Inventory Upgrade Bulletin 05538 issued March 2005.

VIN Breakpoints

VIN Breakpoint

Transaxle	Wheel Size	VIN Breakpoint
Automatic (RPO MN5)	16 Inch (RPO PG0 or NV2)	Prior to and including 5Z147704
Automatic (RPO MN5)	14/15 Inch (RPO PG1, PB9, or PF7)	Prior to and including 5Z148298
Manual (RPO M86)	16 Inch (RPO PG0 or NV2)	Prior to and including 5Z148592
Manual (RPO M86)	14/15 Inch (RPO PG1, PB9, or PF7)	Prior to and including 5Z148696

Condition

The original equipment ECM calibration may cause the vehicle to exhibit any one of a number of symptoms.

Correction

Update every 2005 Saturn ION with a 2.2L four-cylinder engine (RPO L61) in retail inventory with the latest ECM calibrations. Follow the steps listed in the Service Procedure section of this bulletin to reprogram the ECM with appropriate new calibration.

Service Procedure

Reprogramming ECM

IMPORTANT: Before installing new ECM calibration, make sure the Saturn Service Stall (SSS) version is TIS 5.0 2005 or later.

IMPORTANT: While ignition is OFF, apply parking brake to disable daytime running lights (DRLs) prior to starting reprogramming procedures.

IMPORTANT: Technician must select "Reprogram" option in order to reprogram the ECM.

Reprogram the ECM with the appropriate calibration.

Claim Information

To receive credit for this repair during the warranty coverage period, submit a claim through WINS for the following:

Claim Information

Labour Operation	Description	Labour Time
Y0035	EE PROM - Reprogramming (Install New PCM Calibration)	0.3