2018 GMC Sierra 1500 equipped with 5.3L V8 Gas OHV, 5.3L V8 Flex OHV
1
NEW CAL REQ. REFER TO BUL 12-NA-007: DELAYED ENGAGEMENT, FIRM GARAGE SHIFTS, START UP CLUNK DTC P16F3 (REPROGRAM TCM)COVERS OTHER FIXES IN SERV. Eng: L83 8th VIN Digit: C Mfr Code: 8L90
2018 GMC Sierra 1500 equipped with 5.3L V8 Gas OHV, 5.3L V8 Flex OHV
NEW CAL REQ. REFER TO BUL 12-NA-007: DELAYED ENGAGEMENT, FIRM GARAGE SHIFTS, START UP CLUNK DTC P16F3 (REPROGRAM TCM)COVERS OTHER FIXES IN SERV. Eng: L83 8th VIN Digit: C Mfr Code: 8L90
1 Per Vehicle
2018 GMC Sierra 1500 equipped with 5.3L V8 MILD HYBRID EV-Gas MHEV OHV
1
NEW CAL REQ. REFER TO BUL 12-NA-007: DELAYED ENGAGEMENT, FIRM GARAGESHIFTS, START UP CLUNK DTC P16F3 (REPROGRAM TCM)COVERS OTHER FIXES IN SERV. Eng: L8B 8th VIN Digit: R Mfr Code: 8L90
2018 GMC Sierra 1500 equipped with 5.3L V8 MILD HYBRID EV-Gas MHEV OHV
NEW CAL REQ. REFER TO BUL 12-NA-007: DELAYED ENGAGEMENT, FIRM GARAGESHIFTS, START UP CLUNK DTC P16F3 (REPROGRAM TCM)COVERS OTHER FIXES IN SERV. Eng: L8B 8th VIN Digit: R Mfr Code: 8L90
1 Per Vehicle
2018 GMC Sierra 1500 equipped with 6.2L V8 Gas OHV
1
NEW CAL REQ. REFER TO BUL 12-NA-007: DELAYED ENGAGEMENT, FIRM GARAGESHIFTS, START UP CLUNK DTC P16F3 (REPROGRAM TCM)COVERS OTHER FIXES IN SERV. Eng: L86 8th VIN Digit: J Mfr Code: 8L90
2018 GMC Sierra 1500 equipped with 6.2L V8 Gas OHV
NEW CAL REQ. REFER TO BUL 12-NA-007: DELAYED ENGAGEMENT, FIRM GARAGESHIFTS, START UP CLUNK DTC P16F3 (REPROGRAM TCM)COVERS OTHER FIXES IN SERV. Eng: L86 8th VIN Digit: J Mfr Code: 8L90