P4 ECM Cross-reference

From GM Wiki

This page lists the several generations of GM engine, powertrain, and vehicle control modules which are characterized by having a single EPROM or EEPROM, containing both vehicle calibration and program code.

This page does not cover the older C3 generation of ECMs. It also does not cover any flash based control modules.

Contents 1 An incomplete list of ECMs/PCMs/VCMs 2 An incomplete list of Australian ECMs/PCMs/VCMs 3 Car ECM Selection 4 Truck ECM Selection

An incomplete list of ECMs/PCMs/VCMs

1227165 1227303 1227727 1227730 1227748 1227749 1227752 1228321 1228331 1228253 1228706 1228707 1228708

16132792 16134847 16141470 16149396 16153597 16156647 16159278 16159282 16163993 16168625 16183247 16186695 16191947 16196344

16196393 16196395 16196401 16196404 16197128 16197427 16198259 16198260 16198262 16198263 16198264 16198266 16198267 16199982

An incomplete list of Australian ECMs/PCMs/VCMs

1227277 1227808 16146299 16176424

16183082 16195699 16199728 16206305

16208252 16208257 16210672 16234531

Car ECM Selection

Arranged by model year and engine type:

	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995
1.6 OHC L4 TBI “6” L73 (Lemans)			1227303	1227303	1227303	1227303	1227303	1227303
1.9 L4 TBI “9” (Saturn)							…	…	…
1.9 L4 PFI “7” (Saturn)							…	…	…
2.0 OHC L4 TBI “K” LT2 (Lemans)			1227303	1227303	1227303
2.0 L4 TBI “P” LQ5	1227165
2.0 L4 TBI “1” LL8		1227730	1227730 1228321	1228321
2.0 OHC L4 TBI “K” LT2		1227748	1227748	1227748	1227748	1227748
2.0 OHC L4 PFI Turbo “M” LT3		1227749	1227749	1227749	1227749
2.0 OHC L4 PFI “H” LE4							16159282	16159282	16159282 16196393
	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995
2.2 L4 TBI “G” LM3					1227748	1227748
2.2 L4 PFI “4” LN2							16134847	16134847	16191947	16191947
2.3 DOHC L4 PFI “D” LD2 (exc. “W” body)		1227749	1227749	1228707	1228707	1228707	16156450	16173278	16183978	16183978 16191947 16193700 16196285
2.3 DOHC L4 PFI “D”LD2 (“W” body)					1228708	1228708
2.3 DOHC L4 PFI “A” LG0 (exc. “W” body)				1228707	1228707	1228707	16156450	16156450 16173278	16191947
2.3 DOHC L4 PFI “A”LG0 (“W” body)					1228708
2.3 SOHC L4 PFI “3” L40							16156450	16173278	16191947
2.5 L4 TBI “R” LR8 (exc. “W” body)		1227748	1227748	1227748	1227748	1227748	1227748
2.5 L4 TBI “R”LR8 (“W” body)					1227727	1227727	1227727
	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995
2.5 L4 TBI “U” L68		1227748	1227748	1227748	1227748	1227748
2.8 V6 PFI “W” LB6 (exc. “W” body)		1227730	1227730	1227730
2.8 V6 PFI “W”LB6 (“W” body)			1227727	1227727
3.1 V6 PFI “T” LH0 (exc. “W” body)				1227730	1227730	1227730	1227730	1227730	1227730
3.1 V6 PFI “T”LH0 (“F” body)					16196404	16196404	16196404
3.1 V6 PFI “T”LH0 (“W” body)				1227727	1227727	1227727	1227727	1227727 16149396
3.1 V6 SFI “T” L82								16184164
3.1 V6 SFI “M” L82									16196387	16196387
3.1 V6 PFI Turbo “V” LG5				1227727	1227727
	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995
3.3 V6 PFI “N” LG7				1228706	1228706	1228706	1228706	1228706
3.4 DOHC V6 PFI “X” LQ1						16149396	16149396	16149396
3.4 DOHC V6 SFI “X” LQ1									16196401	16196401
3.8 V6 SFI “C” LN3			1228253	1228253	1228253	1228253
3.8 V6 SFI “L” L27 (exc. “W” body)						16141470	16141470	16141470	16183247	16183247
3.8 V6 SFI “L”L27 (“W” body)					16132792	16132792	16132792
3.8 V6 SFI “K” L36										16183247
3.8 V6 SFI Supercharged “1” L67						16141470	16141470	16141470	16183247	16183247
5.0 V8 TPI “F” LB9	1227165	1227165	1227165	1227165	1227730	1227730	1227730
	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995
5.7 V8 TPI “8”L98 (“F” body)		1227165	1227165	1227165	1227730	1227730	1227730
5.7 V8 TPI “8”L98 (“Y” body)	1227165	1227165	1227165	1227165	1227727	1227727
5.7 V8 TPI “P” LT1							16159278	16159278
5.7 DOHC V8 SFI “J” LT5					1228331	1228331	16163993	16163993	16163993	16163993

Truck ECM Selection

Arranged by model year and engine type:

	1987	1988	1989	1990	1991	1992	1993	1994	1995
2.2 L4 PFI “4” LN2								16199982
2.5 L4 TBI “E” LN8	1227165	1227165	1227165	1227165	1227165
2.5 L4 TBI “A” L38					1227165	16156647	16156647
3.8 V6 SFI “L” L27						16141470	16141470	16183247	16183247
4.3 V6 TBI “Z” LB4
4.3 V6 CPI “W” L35]]						16156647		16156647
4.3 V6 PFI Turbo “Z” LB4					1227749	1227749	1227749
5.0 V8 TBI “H” L03
5.7 V8 TBI “K” L05
7.4 V8 TBI “N” L19