Yukon
2003 2004 2005 Suburban Yukon ECM ECU Engine Brain Box Computer Module Control
2003 2004 2005 Suburban Yukon ECM ECU Engine Brain Box Computer Module Control
Part number: 477 56-D-02
Regular price
$89.99 USD
Regular price
Sale price
$89.99 USD
Shipping calculated at checkout.
Quantity
Couldn't load pickup availability
- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Electrical part from Yukon. The part number and specifications are listed below. Electrical parts carry power and signals around the car.
Quick facts
- Brand: Yukon
- Part type: Electrical part
- Model years: 2003
Listed fitment
- Model Year Description Interchange
- ESCALA 03 Electronic Control Module, (LH front under battery), PCM 7633
- ESCALA 04 Electronic Control Module, (LH front under battery), ID 12602802 7633
- ESCALA 05-06 Electronic Control Module, (LH front under battery) 7633
- ESCESV 03 Electronic Control Module, (LH front under battery), PCM 7633
- ESCESV 04 Electronic Control Module, (LH front under battery), ID 12602802 7633
- ESCESV 05-06 Electronic Control Module, (LH front under battery) 7633
- ESCEXT 03 Electronic Control Module, (LH front under battery), PCM 7633
- ESCEXT 04 Electronic Control Module, (LH front under battery), ID 12602802 7633
- ESCEXT 05-06 Electronic Control Module, (LH front under battery) 7633
- SSR 03 Electronic Control Module, (next to air box) 7633
- TRBEXT 03 Electronic Control Module, 5.3L (next to air box) 7633
- ENVXL 03 Electronic Control Module, 5.3L (next to air box) 7633
- DENALI 03 Electronic Control Module, (LH front under battery) 7633
- DENALI 04 Electronic Control Module, (LH front under battery), ID 12602802 7633
- DENALI 05-06 Electronic Control Module, (LH front under battery) 7633
- DENALI 07 Electronic Control Module, classic style (creased door skin), (LH front under battery) 7633
- TAHOE 03 Electronic Control Module, (LH front under battery) 7633
- TAHOE 04 Electronic Control Module, (LH front under battery), ID 12602802 7633
- TAHOE 05-06 Electronic Control Module, (LH front under battery) 7633
- YUKON 03 Electronic Control Module, (LH front under battery) 7633
- YUKON 04 Electronic Control Module, (LH front under battery), ID 12602802 7633
- YUKON 05-06 Electronic Control Module, (LH front under battery) 7633
- ASCEND 03 Electronic Control Module, (LH engine), 5.3L 7633
Tip: Disconnect the battery before electrical work and check grounds first.

About this electrical part
Replacing a switch, relay or harness is usually a plug-in job once you find the fault.
Fitment notes
- Specs, lead time and warranty come from Yukon and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentParts that usually go with it
- Fuses and relays. Cheap to keep spares.
More for your car: Batteries & electrical
Questions about electrical part
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How do I find an electrical fault?
Start with fuses, grounds and connectors, then test with a multimeter.
Where do specs and warranty details come from?
From Yukon. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.