GM PCMs: Difference between revisions

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The PCMs released to control [[SBC Gen III|Chevy's 3rd Generation Small Block V8 Engines]]
{{DISPLAYTITLE:General Motors Powertrain Control Modules}}
 
= Black Box PCMs =
 
= "Gen 3" PCMs =
The Powertrain Control Modules released to control [[SBC3|Chevy's 3rd Generation Small Block V8 Engines]], as well as other engines of roughly the same era (1996-2008).
 
There is no good nickname for these PCMs like with the Black Box series, but a lot of people seem to call them Gen 3 PCMs.
 
== Identification ==
Gen III PCMs (like others) have a pair of identification numbers by which they can be differentiated.
 
=== Service Number ===
This is the top number on the label, abbreviated SERV. NO. on the printed label.
 
=== Hardware Number ===
This is the bottom number on the label, abbreviated HDW. NO. on the printed label.
 
== P01 Family ==
Blue and Red Connectors
{| class="wikitable"
|+
!Service #
|16238212
|9354896
|12200411
|-
!Hardware #
|16239740
|9380120/
16220610
|9386530
|-
!Drive by Cable
|Yes
|Yes
|Yes
|-
!Vehicles
|
|
|
|}
 
== P59 Family ==
 
 
= "Gen 4" PCMs =
 
 
 
 
 
 
Paste dump lol will organize later
 
== GM PCM/ECM Master List ==
 
=== OBD1 / Early OBD2 Era (Pre-1997) ===
{| class="wikitable"
!Designation
!Era
!Engines / Applications
!Notes
|-
|'''"Black Box"'''
|1992–1997
|LT1, LT4, L99 — F-body, B-body, Corvette
|Mem-cal removable chip, single large connector, OBD1/early OBD2
|}
----
 
=== Gen 3 PCM Era (Dual long connectors) ===
{| class="wikitable"
!Designation
!Era
!Engines / Applications
!Notes
|-
|'''P01'''
|1997–2003
|Gen III LS V8 (LS1, LS6) — Camaro, Firebird, Corvette, Silverado/Sierra, Express Van, Tahoe, Yukon, Suburban; also 4.3L Vortec V6 trucks
|Red + Blue connectors. Controls engine AND trans (PCM). "0411" refers specifically to the 2001–03 revision with upgraded processor
|-
|'''P04'''
|1996–2005
|3100 (LG8/LA1), 3400, 3800 Series II (L36/L67) — FWD cars and vans; also 3800 F-body Camaro/Firebird
|Shared across all FWD V6 applications. Blue connectors, different form than P01
|-
|'''P05'''
|2004–2006
|3800 Series III (L26/L32), 3500 LX9 V6
|Successor to P04, 2x RAM/ROM, added ETC support
|-
|'''P06'''
|2000–2003
|Northstar V8 (Siemens era)
|The problem child — Siemens-built, not Delco, very limited tuning support
|-
|'''P07'''
|~2004–2005
|Northstar V8 FWD (E22-type)
|Believed to be E22-class hardware
|-
|'''P08'''
|~1999–2005
|2.2L / 2.4L I4 — Cavalier, Sunfire, Grand Am, Alero
|FWD 4-cylinder applications
|-
|'''P10'''
|2002–2005
|4.2L LL8 inline-6 — Trailblazer, Envoy, Bravada, Rainier, 9-7X
|VPW only, no CAN, no MAF support
|-
|'''P11'''
|~2004–2006
|High-feature V6 (2.8L/3.6L LY7) — CTS, Malibu, G6, others
|CAN-based
|-
|'''P12'''
|2006–2007
|4.2L LL8 inline-6 — Trailblazer, Envoy (later years); also LLY Duramax shares same case
|Successor to P10, added CAN + MAF capability
|-
|'''P59'''
|2003–2007
|Gen III LS V8 — Silverado/Sierra/Tahoe/Yukon/Suburban trucks; 2003–2005 Corvette; 2004 GTO; 2004–2005 CTS-V
|Blue + Green connectors. DBW-capable (some variants IAC-equipped for cable throttle too). Flex fuel capable
|}
----
 
=== Gen 4 ECM Era (separate TCM) ===
{| class="wikitable"
!Designation
!Era
!Engines / Applications
!Notes
|-
|'''E40'''
|2005–2006
|Gen III/IV transition — LS2 in Corvette (05 only), GTO, SSR, TrailBlazer SS (06), Impala SS, Monte Carlo SS, Grand Prix GXP, LS4 FWD V8
|24x crank reluctor, 3 connectors, transitional unit
|-
|'''E37'''
|2007–2011
|4.3L V6 trucks/SUVs — Silverado, Sierra, Tahoe etc.
|Also used in some I4 applications
|-
|'''E38'''
|2006–2016
|Gen IV LS V8 NA — LS2 (late), LS3, L76, L98, L77, L9H (6.0L truck), 6.2L L92 — Corvette, Camaro, trucks/SUVs, G8, Pontiac
|Dominant Gen 4 ECM. 58x crank. Requires DBW
|-
|'''E67'''
|2006–2015
|Gen IV forced induction + Northstar — LSA (CTS-V, ZL1 Camaro), LS9 (ZR1), Northstar 2006+ (DTS, STS, XLR), TrailBlazer SS (07+), LS4 FWD (07+)
|3 connectors on some variants. Supercharger control tabs in software
|-
|'''E78'''
|2011–2014
|6.0L L96 V8 — HD 2500/3500 Silverado/Sierra gas engine
|Torque-based management (bridging Gen 4/5 behavior)
|-
|'''E22'''
|~2004–2006
|2.0L Ecotec turbocharged I4 — Cobalt SS, Ion Redline (early); also some Northstar applications
|Transitional CAN unit
|-
|'''E39 / E39A'''
|~2008–2012
|2.0L/2.4L Ecotec I4 — Cobalt, HHR, Malibu, G5, Vue, Solstice/Sky (later)
|
|}
----
 
=== Gen 5 ECM Era (Direct Injection LT engines) ===
{| class="wikitable"
!Designation
!Era
!Engines / Applications
!Notes
|-
|'''E92 / E92A'''
|2014–present
|LT1, LT4, L83, L86, L87 — C7/C8 Corvette, 5th/6th gen Camaro, Silverado/Sierra gen 5 trucks
|Torque-based architecture. E92A = 2017+
|}
----
 
=== Diesel ===
{| class="wikitable"
!Designation
!Era
!Engines / Applications
!Notes
|-
|'''E54'''
|~2001–2004
|6.6L LB7 Duramax
|Early Duramax ECM, shares connector family with P01
|-
|'''E60'''
|~2004–2006
|6.6L LLY Duramax
|
|-
|'''E98'''
|~2011+
|6.6L LML/L5P Duramax
|Later Generation
|}

Latest revision as of 05:08, 15 April 2026


Black Box PCMs

[edit | edit source]

"Gen 3" PCMs

[edit | edit source]

The Powertrain Control Modules released to control Chevy's 3rd Generation Small Block V8 Engines, as well as other engines of roughly the same era (1996-2008).

There is no good nickname for these PCMs like with the Black Box series, but a lot of people seem to call them Gen 3 PCMs.

Identification

[edit | edit source]

Gen III PCMs (like others) have a pair of identification numbers by which they can be differentiated.

Service Number

[edit | edit source]

This is the top number on the label, abbreviated SERV. NO. on the printed label.

Hardware Number

[edit | edit source]

This is the bottom number on the label, abbreviated HDW. NO. on the printed label.

P01 Family

[edit | edit source]

Blue and Red Connectors

Service # 16238212 9354896 12200411
Hardware # 16239740 9380120/

16220610

9386530
Drive by Cable Yes Yes Yes
Vehicles

P59 Family

[edit | edit source]

"Gen 4" PCMs

[edit | edit source]

Paste dump lol will organize later

GM PCM/ECM Master List

[edit | edit source]

OBD1 / Early OBD2 Era (Pre-1997)

[edit | edit source]
Designation Era Engines / Applications Notes
"Black Box" 1992–1997 LT1, LT4, L99 — F-body, B-body, Corvette Mem-cal removable chip, single large connector, OBD1/early OBD2

Gen 3 PCM Era (Dual long connectors)

[edit | edit source]
Designation Era Engines / Applications Notes
P01 1997–2003 Gen III LS V8 (LS1, LS6) — Camaro, Firebird, Corvette, Silverado/Sierra, Express Van, Tahoe, Yukon, Suburban; also 4.3L Vortec V6 trucks Red + Blue connectors. Controls engine AND trans (PCM). "0411" refers specifically to the 2001–03 revision with upgraded processor
P04 1996–2005 3100 (LG8/LA1), 3400, 3800 Series II (L36/L67) — FWD cars and vans; also 3800 F-body Camaro/Firebird Shared across all FWD V6 applications. Blue connectors, different form than P01
P05 2004–2006 3800 Series III (L26/L32), 3500 LX9 V6 Successor to P04, 2x RAM/ROM, added ETC support
P06 2000–2003 Northstar V8 (Siemens era) The problem child — Siemens-built, not Delco, very limited tuning support
P07 ~2004–2005 Northstar V8 FWD (E22-type) Believed to be E22-class hardware
P08 ~1999–2005 2.2L / 2.4L I4 — Cavalier, Sunfire, Grand Am, Alero FWD 4-cylinder applications
P10 2002–2005 4.2L LL8 inline-6 — Trailblazer, Envoy, Bravada, Rainier, 9-7X VPW only, no CAN, no MAF support
P11 ~2004–2006 High-feature V6 (2.8L/3.6L LY7) — CTS, Malibu, G6, others CAN-based
P12 2006–2007 4.2L LL8 inline-6 — Trailblazer, Envoy (later years); also LLY Duramax shares same case Successor to P10, added CAN + MAF capability
P59 2003–2007 Gen III LS V8 — Silverado/Sierra/Tahoe/Yukon/Suburban trucks; 2003–2005 Corvette; 2004 GTO; 2004–2005 CTS-V Blue + Green connectors. DBW-capable (some variants IAC-equipped for cable throttle too). Flex fuel capable

Gen 4 ECM Era (separate TCM)

[edit | edit source]
Designation Era Engines / Applications Notes
E40 2005–2006 Gen III/IV transition — LS2 in Corvette (05 only), GTO, SSR, TrailBlazer SS (06), Impala SS, Monte Carlo SS, Grand Prix GXP, LS4 FWD V8 24x crank reluctor, 3 connectors, transitional unit
E37 2007–2011 4.3L V6 trucks/SUVs — Silverado, Sierra, Tahoe etc. Also used in some I4 applications
E38 2006–2016 Gen IV LS V8 NA — LS2 (late), LS3, L76, L98, L77, L9H (6.0L truck), 6.2L L92 — Corvette, Camaro, trucks/SUVs, G8, Pontiac Dominant Gen 4 ECM. 58x crank. Requires DBW
E67 2006–2015 Gen IV forced induction + Northstar — LSA (CTS-V, ZL1 Camaro), LS9 (ZR1), Northstar 2006+ (DTS, STS, XLR), TrailBlazer SS (07+), LS4 FWD (07+) 3 connectors on some variants. Supercharger control tabs in software
E78 2011–2014 6.0L L96 V8 — HD 2500/3500 Silverado/Sierra gas engine Torque-based management (bridging Gen 4/5 behavior)
E22 ~2004–2006 2.0L Ecotec turbocharged I4 — Cobalt SS, Ion Redline (early); also some Northstar applications Transitional CAN unit
E39 / E39A ~2008–2012 2.0L/2.4L Ecotec I4 — Cobalt, HHR, Malibu, G5, Vue, Solstice/Sky (later)

Gen 5 ECM Era (Direct Injection LT engines)

[edit | edit source]
Designation Era Engines / Applications Notes
E92 / E92A 2014–present LT1, LT4, L83, L86, L87 — C7/C8 Corvette, 5th/6th gen Camaro, Silverado/Sierra gen 5 trucks Torque-based architecture. E92A = 2017+

Diesel

[edit | edit source]
Designation Era Engines / Applications Notes
E54 ~2001–2004 6.6L LB7 Duramax Early Duramax ECM, shares connector family with P01
E60 ~2004–2006 6.6L LLY Duramax
E98 ~2011+ 6.6L LML/L5P Duramax Later Generation
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