Engine Controls - MIL/SES Lamp ON/DTC P2610 Stored
Bulletin No.: 07-06-04-035Date: December 18, 2007
TECHNICAL
Subject:
3.6L LY7 Engine - MIL/SES Light Illuminated, DTC P2610 Stored (Reprogram ECM)
Models:
2008 Cadillac CTS, SRX
2008 Chevrolet Equinox
2008 Pontiac Torrent
with 3.6L VVT V6 Engine (VIN 7 - RPO LY7)
Built Prior to the VIN Breakpoints shown.
Condition
Some customers may comment that the MIL/SES light is illuminated.
Upon further investigation, technicians may find Diagnostic Trouble Code (DTC) P2610 - Control Module Ignition Off Timer Performance stored.
Cause
Engineering has identified a concern with the ECM software that may cause this condition.
Correction
DO NOT replace the ECM for this condition.
If DTC P2610 has set, reprogram the ECM with the latest calibration.
Refer to Service Programming System (SPS) using the appropriate Service Information (SI) procedures. Do not attempt to order the calibration number from GMSPO. The calibration numbers required for this service procedure are programmed into control modules via a Techline Tech 2(R) scan tool and the Techline Information System (TIS) 2000 terminal with the calibration update.
Use data version 8.5 for 2007 or later, available on TIS 2 Web 08/19/07; and on TIS DVD version 9.0/2007 or later, mailed to dealers beginning 09/12/07. As always, make sure your Tech 2(R) is updated with the latest software version. If you cannot access the calibration, call the Techline Customer Support Center.
Warranty Information
For vehicles repaired under the 8 year/80,000 miles (130,000 km) emission controller warranty, use the table.
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