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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Quick Lookups >> Electrical Component Locations >> Electrical Component Locator And Harness Routing Views >> Component Locator >> Front of Vehicle/Engine Compartment Component Views >> Engine Compartment Components - Left
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Engine Compartment Components - Left

GM5548908Courtesy of GENERAL MOTORS COMPANY
Engine Compartment Components - Left

Items
1. X50UA Accessory Wiring Junction Block - Underhood (LM2) X50UA Accessory Wiring Junction Block - Underhood (LM2)
2. K20 Engine Control Module
K20 Engine Control Module X1 (L84/L87) , or
K20 Engine Control Module X1 (LM2) , or
K20 Engine Control Module X2 (L84/L87) , or
K20 Engine Control Module X2 (LM2) , or
K20 Engine Control Module X3 (L84/L87) .
3. K71 Transmission Control Module K71 Transmission Control Module
4. R6A Terminating Resistor - High Speed Bus (U1D+TB4-UKC-UKV) R6A Terminating Resistor - High Speed Bus
5. B20A Brake Fluid Level Indicator Switch B20A Brake Fluid Level Indicator Switch
6. K160 Brake System Control Module K160 Brake System Control Module
7. B55 Engine Compartment Cover Switch B55 Engine Compartment Cover Switch