Engine Controls - MIL ON/Multiple DTC's
INFORMATIONBulletin No.: 09-06-04-024
Date: April 24, 2009
Subject: Diagnostic Information on Malfunction Indicator Lamp (MIL) Illuminated with DTCs P0442, P0446, P0451, P0452, P0453, P0454, P0455 and Replacement of Fuel Tank Pressure (FTP) Sensor / Module
Models:
2008-2009 Cadillac Escalade, Escalade ESV, Escalade EXT
2008-2009 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2008-2009 GMC Sierra, Yukon, Yukon XL, Yukon Denali, Yukon XL Denali
When diagnosing any of the following DTCs: P0442, P0446, P0451, P0452, P0453, P0454, P0455 and the diagnostic procedure leads to the replacement of the fuel tank pressure (FTP) sensor, DO NOT replace the entire fuel tank fuel pump module. The FTP sensor is available separately from GMSPO.
Remove and replace the FTP sensor (1) only as indicated in the illustration. Refer to Fuel Tank Pressure Sensor Replacement for the appropriate vehicle and fuel tank capacity in SI.
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