TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Hummer for this TSB. Call your local Hummer dealer's service department & ask for a copy of TSB# SB-09-06-04-025.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary

SAAB/HUMMER/GMC/CHEVROLET: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, DTCS P0300-P0306, ENGINE RUNS ROUGH (INSPECT FOR WATER INTRUSION IN SPARK PLUG RECESS AREA, REPLACE SPARK PLUG AND IGNITION COIL, SEAL IGNITION COIL BOLT HOLE VENTS AND SEAL HOOD AIR GRILLE). *PE UPDATED 6/7/11. *PE

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