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 MANUALSACURA2023RDX BASEREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXGAUGE CONTROL SYSTEM DTCS
2023 Acura RDX Base
Gauge Control System DTCS
2023 Acura RDX BaseSECTION Gauge Control System DTCS
GAUGE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) INDENTIFICATION
| DTC | Description | DTC type |
|---|---|---|
| B1175 | Fuel level sensor (fuel gauge sending unit) circuit malfunction | Signal error |
| B1176 | Fuel level sensor (fuel gauge sending unit) circuit short | Signal error |
| B1192 | Gauge control module lost communication with battery sensor ECU (LIN bus connected) | Loss of communication |
| B1193 | Gauge control module lost communication with steering switch (LIN bus connected) | Loss of communication |
| B1194 | Gauge control module lost communication with HUD unit (UART connected) | Loss of communication |
| U0029 | F-CAN communication line error | Loss of communication |
| U0100 | Gauge control module lost communication with ENG/AT | Loss of communication |
| U0101 | Gauge control module lost communication with AT | Loss of communication |
| U0104 | Gauge control module lost communication with driving support system control unit | Loss of communication |
| U0114 | Gauge control module lost communication with all wheel drive control module | Loss of communication |
| U0122 | Gauge control module lost communication with VSA modulator-control unit | Loss of communication |
| U0127 | Gauge control module lost communication with TPMS control unit (body control module) | Loss of communication |
| U0128 | Gauge control module lost communication with EPB | Loss of communication |
| U0131 | Gauge control module lost communication with EPS unit | Loss of communication |
| U0132 | Gauge control module lost communication with adaptive damper control unit | Loss of communication |
| U0151 | Gauge control module lost communication with SRS unit | Loss of communication |
| U0230 | Gauge control module lost communication with PTG | Loss of communication |
| U1280 | B-CAN communication bus line error (BUS-OFF) | Loss of communication |
| U1281 | Gauge control module lost communication with MICU (body control module) (MICU frame) | Loss of communication |
| U1288 | Gauge control module lost communication with PARKSR | Loss of communication |
| U128F | Gauge control module lost communication with BSI unit | Loss of communication |
| U129C | Gauge control module lost communication with multi purpose camera unit | Loss of communication |
| U3000-49 | ECU internal circuit malfunction | Internal error |
| U3000-51 | Reprogramming error | Internal error |
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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.