Highway 71 Auto Parts

Quality Programmed Modules

2004 Express Engine Computer 12586243 Programmed To Your VIN ECM PCM ECU

2004 Express Engine Computer 12586243 Programmed To Your VIN ECM PCM ECU

$139.95

  • Programmed to YOUR VIN - Ready to Install
  • No Dealer Programming Required
  • 1 Year Warranty (3 Year Upgrade Available)
  • Expert Technical Support

One year replacement warranty

*See fitment in the description for exact vehicle fitment*

Availability: In stock



SKU 590-07143 Categories , Tags , , , , , , , , , , , , , , ,

Expert Programming

VIN-specific programming

1 Year Warranty

3 year upgrade available

Quality Tested

Every module verified

Expert Support

Module Specialists

This listing is for a PCM that is programmed/flashed for your vehicle with the newest updates from GM using your VIN to match your vehicle. After you purchase the PCM you will need to provide us with your VIN so we can program the ECM before we ship it to you.  This module is compatible with these part numbers: 12586243 89017739

 

This part will fit these makes and models with these options
AVALANCHE 2500 04 Electronic Control Module; (LH front under battery)
EXPRESS 2500 VAN 04 Electronic Control Module; (LH rear engine compartment)
S10/S15/SONOMA 04 Electronic Control Module; (RH front engine compartment)
ENVOY XUV 04 Electronic Control Module; 5.3L (next to air box), ID YFKY
ENVOY XUV 04 Electronic Control Module; 5.3L (next to air box), ID YFYY
SAVANA 3500 VAN 04 Electronic Control Module; (LH rear engine compartment)
RAINIER 04 Electronic Control Module; 5.3L (next to air box), ID YHRA
SIERRA 3500 PICKUP 04 Electronic Control Module; (LH front under battery), gasoline, 8.1L
SSR 04 Electronic Control Module; (next to air box), ID YHRA
ENVOY XL 04 Electronic Control Module; 5.3L (next to air box), ID YFYY
EXPRESS 3500 VAN 04 Electronic Control Module; (LH rear engine compartment)
SAVANA 1500 VAN 04 Electronic Control Module; (LH rear engine compartment)
SAVANA 2500 VAN 04 Electronic Control Module; (LH rear engine compartment)
YUKON XL 2500 04 Electronic Control Module; (LH front under battery), 8.1L
GTO 04 Electronic Control Module; main (LH engine)
TRAILBLAZER EXT 04 Electronic Control Module; 5.3L (next to air box), ID YFPZ
TRAILBLAZER EXT 04 Electronic Control Module; 5.3L (next to air box), ID YFYY
TRAILBLAZER EXT 04 Electronic Control Module; 5.3L (next to air box), ID YHRA
SSR 04 Electronic Control Module; (next to air box), ID YFYY
ENVOY XL 04 Electronic Control Module; 5.3L (next to air box), ID YFPZ
ENVOY XUV 04 Electronic Control Module; 5.3L (next to air box), ID YFKB
RAINIER 04 Electronic Control Module; 5.3L (next to air box), ID YFKY
ENVOY XUV 04 Electronic Control Module; 5.3L (next to air box), ID YHRA
RAINIER 04 Electronic Control Module; 5.3L (next to air box), ID YFKB
RAINIER 04 Electronic Control Module; 5.3L (next to air box), ID YFPZ
SSR 04 Electronic Control Module; (next to air box), ID YFPZ
SILVERADO 3500 PICKUP 04 Electronic Control Module; (LH front under battery), gasoline, 8.1L
ASTRO 04 Electronic Control Module; (LH front by battery)
ENVOY XL 04 Electronic Control Module; 5.3L (next to air box), ID YFKY
ENVOY XL 04 Electronic Control Module; 5.3L (next to air box), ID YHRA
EXPRESS 1500 VAN 04 Electronic Control Module; (LH rear engine compartment)
SSR 04 Electronic Control Module; (next to air box), ID YFKY
SAFARI (GMC) 04 Electronic Control Module; (LH front by battery)
BLAZER S10/JIMMY S15 04 Electronic Control Module; (RH front engine compartment)
CORVETTE 04 Electronic Control Module; (RH engine compartment), ID 12586243
SUBURBAN 2500 04 Electronic Control Module; (LH front under battery), 8.1L
TRAILBLAZER EXT 04 Electronic Control Module; 5.3L (next to air box), ID YFKY
ENVOY XUV 04 Electronic Control Module; 5.3L (next to air box), ID YFPZ
CTS 04-05 Electronic Control Module; (RH engine compartment), V-Series, ID 12586243
RAINIER 04 Electronic Control Module; 5.3L (next to air box), ID YFYY
SSR 04 Electronic Control Module; (next to air box), ID YFKB
ENVOY XL 04 Electronic Control Module; 5.3L (next to air box), ID YFKB
SIERRA 1500 PICKUP 04 Electronic Control Module; (LH front under battery), w/o hybrid option; w/4.3L
SILVERADO 1500 PICKUP 04 Electronic Control Module; (LH front under battery), w/o hybrid option; w/4.3L
TRAILBLAZER EXT 04 Electronic Control Module; 5.3L (next to air box), ID YFKB
SIERRA 2500 PICKUP 04 Electronic Control Module; (LH front under battery), gasoline, 8.1L
SILVERADO 2500 PICKUP 04 Electronic Control Module; (LH front under battery), gasoline, 8.1L

Related Guide

Engine Control Module (ECM) Replacement Guide – Learn about symptoms, testing, and replacement tips.

Weight 4 lbs
MPN

12586243
Genuine OEM

Yes
Condition

Refurbished
Model

SILVRDO35
Make

Year

2004
Brand

GM
Manufacturer Part Number

,

Interchange part number

  • Engine stalling or shutting off while driving
  • Rough or erratic idling
  • Difficulty starting the engine
  • Check Engine Light with internal module error codes (P0601, P0606)
  • No communication with OBD-II scan tool
Please verify your Service Number matches one of the compatible numbers listed in the main description. If unsure, contact us with your VIN.
Shipping: Standard processing is 24-48 hours.

Warranty: All units come with a 1-Year Replacement Warranty.

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