Engine Controls - MIL ON/DTC's P0456/P0442/No EVAP Leaks
01 MIL on, no leak in EVAP system (DTC P0456 and/or P0442 in ECM)
24 10 10
2021418/2
March 22, 2010.
Supersedes Technical DIAGNOSIS AND REPAIR Group 01 number 09-08 dated September 14, 2009 for reasons listed below.
Affected Vehicles
479
Condition
^ MIL on.
^ DTC P0456 and/or P0442 (small EVAP leak) stored in ECM.
^ No leaks found in the EVAP system.
Technical Background
Software update needed.
Production Solution
New software in the control module (J623) addressed the condition.
Service
1. Follow all instructions in the attached TSB 2011732 00 Software Version Management (SVM), operating instructions.
2. Update the ECM using the SVM action code as listed in the table above if necessary.
Warranty
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service
manuals for the latest information.
480
481
482
483
484
Attachment - 00 Software Version Management (SVM) , Operating Instructions
