MISFIRE DTCS STORED IN THE ECM DURING COLD START
IF YOU CONFIRM
Any single or combination of the following DTCs are present in the ECM during a cold start
warm-up cycle on an APPLIED VEHICLE:
ï?· P0300 (MULTI CYL MISFIRE)
ï?· P0301 (CYL 1 MISFIRE)
ï?· P0302 (CYL 2 MISFIRE)
ï?· P0303 (CYL 3 MISFIRE)
ï?· P0304 (CYL 4 MISFIRE)
ï?· P0305 (CYL 5 MISFIRE)
ï?· P0306 (CYL 6 MISFIRE)
AND
There is no drivability concern present.
ACTION
Follow the SERVICE PROCEDURE in this bulletin to reprogram the ECM, if applicable.