PIP-4924

SB-10041933-1865
File in Section:
Service Bulletin
-
Bulletin No.:
PIP4924A
Date:
May, 2012
PRELIMINARY INFORMATION
Subject:
SES Light And Misfire With Injector Codes
Models:
2009 - 2012 Buick Enclave
2009 - 2012 Buick Lacrosse
2010 - 2012 Cadillac CTS
2009 - 2012 Cadillac SRX STS
2010 - 2012 Chevrolet Camaro
2010 - 2012 Chevrolet Equinox
2012 Chevrolet Impala
2009 - 2012 Chevrolet Malibu
2009 - 2012 Chevrolet Traverse
2009 - 2012 GMC Acadia
2010 - 2012 GMC Terrain
2009 - 2010 Saturn Outlook
2009 - 2010 Saturn Vue
With 2.8 LAU, 3.0L LF1, LFW and 3.6L LLT, LFX engines
This PI was superseded to update model and model years. Please discard PIP4924.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
SES light and misfire with any of these injector related codes:
P0201 P0202 P0203 P0204 P0205 P0206 P0261 P0262 P0264 P0265 P0267 P0268 P0270 P0271 P0273 P0274
P0276 P0277 P2146 P2149 P2152 P2155 P216A P216D
Recommendation/Instructions:
Carefully inspect the fuel injector wiring harness for rub through or internal wire opens.
Some common spots are against the intake plenum, at valve cover bolts, against the fuel line and on the side of the
head under the plenum.
If this concern is found repair or replace the injector harness as needed.
Also refer to the latest version of PI0631 for other under-hood wire chafe locations.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is
resolved without completing every step, the remaining steps do not need to be performed.