Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA2023MDX BASEREPAIR AND DIAGNOSISELECTRICALBODY ELECTRICALRELAY CONTROL SYSTEM DIAGNOSTICS
2023 Acura MDX Base
Relay Control System Diagnostics
2023 Acura MDX BaseSECTION Relay Control System Diagnostics
- Troubleshooting
- DTC Troubleshooting: B1051
- DTC Troubleshooting: B1052
- DTC Troubleshooting: B1075
- DTC Troubleshooting: B1080
- DTC Troubleshooting: B1085
- DTC Troubleshooting: B108A, B108B, B108C, B108D, B108E, B108F, B1090, B1091, B1092
- Notes
- Overview
- Inspection Outline
- Confirmation Procedure
- Related Information
- HDS Function
- SMALL_R Shorted Wire Inspection - For DTC B108A
- SMALL_L Shorted Wire Inspection - For DTC B108B
- R_H/L_LO Shorted Wire Inspection - For DTC B108C
- L_H/L_LO Shorted Wire Inspection - For DTC B108D
- R_H/L_HI Shorted Wire Inspection - For DTC B108E
- L_H//L_HI Shorted Wire Inspection - For DTC B108F
- ILLUMI+ Shorted Wire Inspection - For DTC B1090
- DRL_RLY_OUT1, DRL_RLY_OUT2 Shorted Wire Inspection - For DTC B1091
- INTR_LT_CUT_RLY_OUT1 Shorted Wire Inspection - For DTC B1092
- INTR_LT_CUT_RLY_OUT2 Shorted Wire Inspection - For DTC B1092
- DTC Troubleshooting: U1280(Relay Control Module)
- DTC Troubleshooting: U1281(Relay Control Module)
- DTC Troubleshooting: U128D(Relay Control Module)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.