Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Date Published
APR 01, 2010
NHTSA TSB #
10034048
TSB Document
Summary
CADILLAC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. REVISED ECM CALIBRATION. CERTAIN VEHICLES EQUIPPED WITH ENGINE RPO LAU (HFV6) MAY EXHIBIT THE FOLLOWING CONDITION. THE CURRENT ENGINE CONTROL MODULE (ECM) CALIBRATION AIGORITHM INCREASES THE TURBO BOOST PRESSURE IN RESPONSE TO RETARDED SPARK TIMING. CSC LETTER WAS REC'D. *PE