Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
CHEVROLET, GMC, OLDSMOBILE
Reported code forms P0171
This Preliminary Information Document advises the dealer that there is a software update available for the Powertrain Control Module to address diagnostic trouble code P0171. If the software update does not correct the…
BUICK, CHEVROLET, GMC, SAAB
Reported code forms P0171
This Preliminary Information communication provides information to the technician of a possible service engine soon light. Technician will find a diagnostic trouble code P0171 with no engine performance concerns. This…
BUICK, CHEVROLET, GMC, OLDSMOBILE
Reported code forms P0171
DIAGNOSTIC TROUBLE CODE P0171 . *SC SERVICE ENGINE SOON LIGHT DUE TO DIAGNOSTIC TROUBLE CODE P0171. *TT
BUICK, CHEVROLET, GMC, OLDSMOBILE
Reported code forms P0171
02-04 4.2L LL8 DIAGNOSTIC TROUBLE CODE P0171. *MJ
BUICK, CHEVROLET, GMC, OLDSMOBILE
Reported code forms P0171
DIAGNOSTIC TROUBLE CODE (DTC) P0171. *TT
BUICK, CHEVROLET, GMC
Reported code forms P0171
SERVICE VME - FUEL SYSTEM LEAN DTCS P0101 P0171 P0174. *TT
BUICK, CHEVROLET, GMC, OLDSMOBILE
Reported code forms P0171
SERVICE ENGINE SOON (SES) LIGHT DUE TO A P0171 DIAGNOSTIC TROUBLE CODE. *TT