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1999 Transmission Diagnostic Parameters

Passenger Car
1.9L DOHC (LL0) SATURN Z-car (S-series cars)
1.9L SOHC (L24) SATURN Z-car (S-series cars
2.2L (LN2) J-car 4-speed 4T40-E
2.4L (LD9) without EGR J-Car, N-car-all 4T40-E
2.4L (LD9) with EGR N-Alero, N-GrandAm 4T40-E
3.0L (L81) V-car Catera 4L30-E
3.1L (L82) W-car 4T45-E
3.4L (LA1) N-car, W-car 4T45-E
3.5L (LX5) W-Intrigue 4T65-E
3.8L (L67) - supercharged and (L36) - nonsupercharged C-car, G-car, H-car, W-car 4T65-E
3.8L (L36) F-car Camaro / Firebird 4L60-E
4.0 (L47) G-car Aurora 4T80-E
4.6L (LD8 and L37) Eldorado, Seville, Deville
5.7L (LS1) F-car (Camaro, Firebird) , Y-car (Corvette) 4L60-E
 
Trucks
2.2L (LN2) S-truck 4L60-E
3.4L (LA1) U-van 4T65-E
4.3 (LF6 and L35) S/T-truck, M/L-van, C/K-truck, G-van 4L60-E
4.8L (LR4) C/K-truck 4L60-E
5.0L (L30) C/K-truck, G-van 4L60-E
5.3L (LM7) C/K-truck 4L60-E
5.7L (L31) C/K-truck, P-truck, G-van, Heavy Duty (>8500GVW) also medium-duty tilt-cab W-series (Isuzu NPR) <14001GVW 4L80-E
5.7L (L31) C/K-truck, G-van 4L60-E
6.0L (LQ4) C/K-truck 4L80-E
6.5L Diesel (L65) C/K-truck, G-van, P-truck, OEM engine Heavy Duty (GVW >8500)
6.5L (L56) C/K-truck 4L80-E
6.5L Diesel (L57) P-truck, Hummer H1, OEM engine Heavy-Duty (GVW >8500)
7.4L (L29) without A.I.R. C/K-truck, G-van, P-truck Heavy Duty (GVW >8500) 4L80-E
7.4L (L29) WITH A.I.R. C/K-truck, G-van Heavy Duty (GVW >8500) 4L80-E

 




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