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 DIAGNOSISTRANSMISSIONTRANSMISSION CONTROL SYSTEMSSH-AWD SYSTEM DTC DIAGNOSTICS
2023 Acura MDX Base
Sh-AWD System DTC Diagnostics
2023 Acura MDX BaseSECTION Sh-AWD System DTC Diagnostics
- Troubleshooting
- DTC Troubleshooting: C0051-62 (16-03) (SH-AWD Control Unit)
- DTC Troubleshooting: C0051-96 (77-06) (SH-AWD Control Unit)
- DTC Troubleshooting: C0061-62 (12-01), C0061-62 (12-02), C0061-62 (12-03) (SH-AWD Control Unit)
- DTC Troubleshooting: C0061-96 (77-05) (SH-AWD Control Unit)
- DTC Troubleshooting: C0062-62 (15-01) (SH-AWD Control Unit)
- DTC Troubleshooting: C0063-62 (33-02), C0063-62 (33-03) (SH-AWD Control Unit)
- DTC Troubleshooting: C1841-11 (42-02)
- DTC Troubleshooting: C1841-13 (42-01)
- DTC Troubleshooting: C1841-27 (43-01)
- DTC Troubleshooting: C1843-12 (47-01) (2022 2023 2024)
- DTC Troubleshooting: C1843-12 (47-01) (2025)
- DTC Troubleshooting: C1843-14 (47-02) (2022 2023 2024)
- DTC Troubleshooting: C1843-14 (47-02) (2025)
- DTC Troubleshooting: C1843-62 (47-03), C1844-62 (48-03), C1859-72 (71-02), C1859-73 (71-01), C185A-72 (71-04), C185A-73 (71-03)
- Notes
- Overview
- Inspection Outline
- Confirmation Procedure
- Related Information
- HDS Function
- Left Rear Differential Solenoid Valve Functional Inspection (High Pressure)
- Left Rear Differential Solenoid Valve Functional Inspection (Low Pressure)
- Right Rear Differential Solenoid Valve Functional Inspection (High Pressure)
- Right Rear Differential Solenoid Valve Functional Inspection (Low Pressure)
- Left Rear Differential Fluid Pressure Sensor Functional Inspection 1
- Left Rear Differential Fluid Pressure Sensor Functional Inspection 2
- Right Rear Differential Fluid Pressure Sensor Functional Inspection 1
- Right Rear Differential Fluid Pressure Sensor Functional Inspection 2
- Rear Differential Pump Motor Functional Inspection
- Oil Pump Assembly Inspection
- DTC Troubleshooting: C1844-12 (48-01) (2022 2023 2024)
- DTC Troubleshooting: C1844-12 (48-01) (2025)
- DTC Troubleshooting: C1844-14 (48-02) (2022 2023 2024)
- DTC Troubleshooting: C1844-14 (48-02) (2025)
- DTC Troubleshooting: C1850-12 (44-12)
- DTC Troubleshooting: C1850-14 (44-50)
- DTC Troubleshooting: C1851-87 (41-35) (2022 2023 2024)
- DTC Troubleshooting: C1851-87 (41-35) (2025)
- DTC Troubleshooting: C1851-96 (77-35)
- DTC Troubleshooting: C1853-18 (52-04)
- DTC Troubleshooting: C1853-19 (52-03)
- DTC Troubleshooting: C1853-1A (53-02), C1853-1A (53-04)
- DTC Troubleshooting: C1853-1B (53-01), C1853-1B (53-03)
- DTC Troubleshooting: C1853-1E (52-07)
- DTC Troubleshooting: C1854-18 (56-04)
- DTC Troubleshooting: C1854-19 (56-03)
- DTC Troubleshooting: C1854-1A (57-02), C1854-1A (57-04)
- DTC Troubleshooting: C1854-1B (57-01), C1854-1B (57-03)
- DTC Troubleshooting: C1854-1E (56-07)
- DTC Troubleshooting: C1855-92 (63-01)
- DTC Troubleshooting: C1860-98 (76-01)
- DTC Troubleshooting: U0029-00 (41-17) (SH-AWD Control Unit)
- DTC Troubleshooting: U0047-00 (41-18) (SH-AWD Control Unit)
- DTC Troubleshooting: U0100-00 (41-01) (SH-AWD Control Unit)
- DTC Troubleshooting: U0101-00 (41-04) (SH-AWD Control Unit)
- DTC Troubleshooting: U0122-00 (41-02) (SH-AWD Control Unit) (2022 2023 2024)
- DTC Troubleshooting: U0122-00 (41-02) (SH-AWD Control Unit) (2025)
- DTC Troubleshooting: U0131-00 (41-09) (SH-AWD Control Unit) (2022 2023 2024)
- DTC Troubleshooting: U0131-00 (41-09) (SH-AWD Control Unit) (2025)
- DTC Troubleshooting: U0146-00 (41-15) (SH-AWD Control Unit)
- DTC Troubleshooting: U0151-00 (41-08) (SH-AWD Control Unit) (2022 2023 2024)
- DTC Troubleshooting: U0151-00 (41-08) (SH-AWD Control Unit) (2025)
- DTC Troubleshooting: U0401-68 (77-01) (SH-AWD Control Unit)
- DTC Troubleshooting: U0402-68 (77-04) (SH-AWD Control Unit)
- DTC Troubleshooting: U0416-68 (77-02) (SH-AWD Control Unit)
- DTC Troubleshooting: U3000-49 (78-xx) (SH-AWD Control Unit)
- DTC Troubleshooting: U3000-51 (91-01) (SH-AWD Control Unit)
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.