2004 Silverado Engine Computer (Service #12586242) – Programmed to Your VIN
ECM / PCM / ECU – Refurbished & Tested
Compatibility
Fits 2004 Chevrolet Silverado with these engines and models:
- Engines: 4.8L, 5.3L, 6.0L, 8.1L
- Models: 1500, 1500HD, 2500, 2500HD, 3500
What you are buying
- One refurbished, tested Engine Control Module (ECM) – Service number 12586242
- Programmed to your Vehicle Identification Number (VIN) before shipment
- No core charge – keep your old ECM
- Includes written instructions for required relearn procedures
- One-year replacement warranty
Important – VIN required
After purchase we will need your vehicle VIN so we can program this ECM to exactly match your vehicle. Please provide the VIN promptly so we can program and ship the unit.
Possible post-install procedures
- Anti-theft (immobilizer) relearn
- If required, the vehicle will not start until the anti-theft relearn is completed.
- Crankshaft variation relearn (CVVL/CVS)
- If required, the vehicle may run but the “Service Engine Soon” / Check Engine light will be on and trouble code P0315 will be stored.
- You will need a scan tool capable of performing the crankshaft variation relearn and clearing related codes. If you do not have this equipment, a repair shop or dealer can perform the procedure.
Both relearn procedures are common and instructions will be included with the ECM.
Shipping
- We ship within one business day of payment.
- Same-day shipping if ordered by 2:00 PM EST (Mon-Fri).
Additional note
Flashmasters does not use ACDelco Technical Delivery System (TDS) services for any module services. ACDelco is a parts brand owned by General Motors.
If you have questions or need to provide your VIN after purchase, please contact us.
jasocoo_17 –
computer arrived very clean but not protected in the box, hence 4 stars for the beat up computer.
it was very simple to install and program the anti theft to it. took 30 minutes and i was driving without the massive stored codes the old computer was falsely generating.
F_xwM3xkT3W@Deleted –
Showed up day early good product
olinickconstruction –
The computer came with no instructions for the vehicle on how to install. Apparently you have to hold the ignition for 30 seconds and all kinds of jumping jacks before it activates. Maybe it would have worked had these critical details been sent with the computer.
etr-fl –
Haven t been able to get it installed yet but after working their products before I expect it to work just fine. Module looks great and was packaged well.
mbur5526 –
Didn’t fix my electrical issues but my suburban runs much better after installing.