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  2. Auto Parts
  3. Engine Components
  4. Control Modules
  5. Engine Control Module
  6. ACDelco 12678511

ACDelco 12678511 Engine Control Module

ACDelco 12678511 Engine Control Module Image 1
ACDelco 12678511 Engine Control Module Image 2
ACDelco 12678511 Engine Control Module

ACDelco
Brand:ACDelco
Part Number: 12678511
UPC: 00808709537014
Weight: 1.84 lbs
Condition:Remanufactured



Core: See Value In Cart
Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco 12678511 Engine Control Module for your vehicle. Buy now and secure your purchase online!

GM Genuine Parts Engine Control Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These modules regulate various parts of your vehicle's engine by receiving input from sensors and additional modules and then referencing that information back to other sensors, modules, and areas of the vehicle. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Dictates the operation of your vehicle's vital systems, which is critical to the performance of your vehicle
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle

Specifications:

Connector Color:
Blue, Black, Grey
Connector Gender:
Female
Connector Quantity:
3
Connector Shape:
Rounded Rectangle
Height:
4.3 in.
Length:
8.2 in.
Mounting Hardware Included:
No
Programming Required:
Yes
Terminal Gender:
Male Female
Terminal Quantity:
201
Terminal Type:
Blade Pin
Weight (lb):
1.84 lb
Width:
7.3 in.
Country of Origin:
US

Select a vehicle to narrow ACDelco 12678511 Engine Control Module fitment info!

Last Updated: 04/14/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2008

 

2008

 
Buick Enclave

3.6L V6 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
CODE YRHH,YRJU,YRFM
 

Buick Enclave



3.6L V6 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
CODE YRHH,YRJU,YRFM

1 Per Vehicle

2009

 

2008

 

2009

 

2008

 
Buick LaCrosse

5.3L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS4
8th VIN Digit: C
 

Buick LaCrosse



5.3L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS4
8th VIN Digit: C

1 Per Vehicle

2008

 

2008

 
Buick Lucerne

4.6L V8 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: L37
8th VIN Digit: 9
 

Buick Lucerne



4.6L V8 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: L37
8th VIN Digit: 9

1 Per Vehicle

2008

 

2008

 
Buick Lucerne

4.6L V8 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LD8
8th VIN Digit: Y
 

Buick Lucerne



4.6L V8 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LD8
8th VIN Digit: Y

1 Per Vehicle

2007

 

2007

 
Buick Rainier

5.3L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH6
8th VIN Digit: M
 

Buick Rainier



5.3L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH6
8th VIN Digit: M

1 Per Vehicle

2008

 

2008

 
Cadillac DTS

4.6L V8 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
 

Cadillac DTS



4.6L V8 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING

1 Per Vehicle

2008

 

2008

 
Cadillac SRX

3.6L V6 Gas DOHC,
4.6L V8 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
 

Cadillac SRX



3.6L V6 Gas DOHC,
4.6L V8 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING

1 Per Vehicle

2008

 

2008

 
Cadillac STS

4.4L V8 Gas DOHC Supercharged
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
8th VIN Digit: D
 

Cadillac STS



4.4L V8 Gas DOHC Supercharged REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
8th VIN Digit: D

1 Per Vehicle

2008

 

2008

 
Cadillac STS

4.6L V8 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH2
8th VIN Digit: A
 

Cadillac STS



4.6L V8 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH2
8th VIN Digit: A

1 Per Vehicle

2008

 

2008

 
Cadillac XLR

4.4L V8 Gas DOHC Supercharged,
4.6L V8 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
 

Cadillac XLR



4.4L V8 Gas DOHC Supercharged,
4.6L V8 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING

1 Per Vehicle

2008

 

2008

 
Chevrolet Colorado

2.9L L4 Gas DOHC,
3.7L L5 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
 

Chevrolet Colorado



2.9L L4 Gas DOHC,
3.7L L5 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING

1 Per Vehicle

2009

 

2008

 

2009

 

2008

 
Chevrolet Impala

5.3L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS4
8th VIN Digit: C
 

Chevrolet Impala



5.3L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS4
8th VIN Digit: C

1 Per Vehicle

2010

 

2010

 
Chevrolet Malibu

2.4L L4 FULL HYBRID EV-Gas FHEV DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
8th VIN Digit: Z
 

Chevrolet Malibu



2.4L L4 FULL HYBRID EV-Gas FHEV DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
8th VIN Digit: Z

1 Per Vehicle

2009

 

2008

 

2009

 

2008

 
Chevrolet Malibu

2.4L L4 FULL HYBRID EV-Gas FHEV DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
8th VIN Digit: 5
 

Chevrolet Malibu



2.4L L4 FULL HYBRID EV-Gas FHEV DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
8th VIN Digit: 5

1 Per Vehicle

2009

 

2008

 

2009

 

2008

 
Chevrolet Malibu

3.6L V6 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LY7
8th VIN Digit: 7
 

Chevrolet Malibu



3.6L V6 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LY7
8th VIN Digit: 7

1 Per Vehicle

2009

 

2009

 
Chevrolet Trailblazer

4.2L L6 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LL8
8th VIN Digit: S
 

Chevrolet Trailblazer



4.2L L6 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LL8
8th VIN Digit: S

1 Per Vehicle

2008

 

2007

 

2008

 

2007

 
Chevrolet Trailblazer

5.3L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH6
8th VIN Digit: M
 

Chevrolet Trailblazer



5.3L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH6
8th VIN Digit: M

1 Per Vehicle

2008

 

2007

 

2008

 

2007

 
Chevrolet Trailblazer

6.0L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS2
8th VIN Digit: H
 

Chevrolet Trailblazer



6.0L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS2
8th VIN Digit: H

1 Per Vehicle

2008

 

2008

 
Chevrolet Uplander

3.9L V6 Flex OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LGD
8th VIN Digit: W
 

Chevrolet Uplander



3.9L V6 Flex OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LGD
8th VIN Digit: W

1 Per Vehicle

2008

 

2008

 
Chevrolet Uplander

3.9L V6 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
BROADCAST CODE YRHZ
Eng: LZ9
8th VIN Digit: 1
 

Chevrolet Uplander



3.9L V6 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
BROADCAST CODE YRHZ
Eng: LZ9
8th VIN Digit: 1

1 Per Vehicle

2008

 

2008

 
GMC Acadia

3.6L V6 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
CODE YRHH,YRJU,YRFM
 

GMC Acadia



3.6L V6 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
CODE YRHH,YRJU,YRFM

1 Per Vehicle

2008

 

2008

 
GMC Canyon

2.9L L4 Gas DOHC,
3.7L L5 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
 

GMC Canyon



2.9L L4 Gas DOHC,
3.7L L5 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING

1 Per Vehicle

2009

 

2009

 
GMC Envoy

4.2L L6 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LL8
8th VIN Digit: S
 

GMC Envoy



4.2L L6 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LL8
8th VIN Digit: S

1 Per Vehicle

2008

 

2007

 

2008

 

2007

 
GMC Envoy

5.3L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH6
8th VIN Digit: M
 

GMC Envoy



5.3L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH6
8th VIN Digit: M

1 Per Vehicle

2008

 

2008

 
Hummer H3

3.7L L5 Gas DOHC,
5.3L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
 

Hummer H3



3.7L L5 Gas DOHC,
5.3L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING

1 Per Vehicle

2008

 

2008

 
Isuzu i-290

2.9L L4 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
 

Isuzu i-290



2.9L L4 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING

1 Per Vehicle

2008

 

2008

 
Isuzu i-370

3.7L L5 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
 

Isuzu i-370



3.7L L5 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING

1 Per Vehicle

2009

 

2008

 

2009

 

2008

 
Pontiac G6

3.6L V6 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LY7
8th VIN Digit: 7
 

Pontiac G6



3.6L V6 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LY7
8th VIN Digit: 7

1 Per Vehicle

2008

 

2008

 
Pontiac Grand Prix

5.3L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS4
8th VIN Digit: C
 

Pontiac Grand Prix



5.3L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS4
8th VIN Digit: C

1 Per Vehicle

2008

 

2008

 
Saab 9-7x

6.0L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS2
8th VIN Digit: H
 

Saab 9-7x



6.0L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LS2
8th VIN Digit: H

1 Per Vehicle

2008

 

2007

 

2008

 

2007

 
Saab 9-7x

5.3L V8 Gas OHV
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH6
8th VIN Digit: M
 

Saab 9-7x



5.3L V8 Gas OHV REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LH6
8th VIN Digit: M

1 Per Vehicle

2009

 

2008

 

2009

 

2008

 
Saturn Aura

2.4L L4 FULL HYBRID EV-Gas FHEV DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
8th VIN Digit: 5
 

Saturn Aura



2.4L L4 FULL HYBRID EV-Gas FHEV DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
8th VIN Digit: 5

1 Per Vehicle

2009

 

2008

 

2009

 

2008

 
Saturn Aura

3.6L V6 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LY7
8th VIN Digit: 7
 

Saturn Aura



3.6L V6 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LY7
8th VIN Digit: 7

1 Per Vehicle

2008

 

2008

 
Saturn Outlook

3.6L V6 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
CODE YRHH,YRJU,YRFM
 

Saturn Outlook



3.6L V6 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
CODE YRHH,YRJU,YRFM

1 Per Vehicle

2010

 

2009

 

2008

 

2010

 

2009

 

2008

 
Saturn Vue

3.6L V6 Gas DOHC
1
 
REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LY7
8th VIN Digit: 7
 

Saturn Vue



3.6L V6 Gas DOHC REQUIRES PROGRAMMING)
REQUIRES PROGRAMMING
Eng: LY7
8th VIN Digit: 7

1 Per Vehicle