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 MANUALSMAZDA2011CX-7 I SPORT, 2.5 5REPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXMULTI INFORMATION DISPLAY DTCS
2011 Mazda CX-7 i Sport, 2.5 5
Multi Information Display DTCS
2011 Mazda CX-7 i Sport, 2.5 5SECTION Multi Information Display DTCS
MULTI INFORMATION DISPLAY DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Reference |
|---|---|---|
| B1317 | High power supply circuit voltage | (See DTC B1317 [MULTI INFORMATION DISPLAY] .) |
| B1318 | Low power supply circuit voltage | (See DTC B1318 [MULTI INFORMATION DISPLAY] .) |
| B1342 | Multi information display internal malfunction | (See DTC B1342 [MULTI INFORMATION DISPLAY] .) |
| B1893 | Open circuit in GPS antenna circuit | (See DTC B1893 [MULTI INFORMATION DISPLAY] .) |
| B2477 | Multi information display configuration error | (See DTC B2477 [MULTI INFORMATION DISPLAY] .) |
| U0155 | Communication error with instrument cluster | (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (L3 WITH TC)] .) (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (L5)] .) |
| U0164 | Communication error with climate control unit | |
| U0184 | Communication error with audio unit | |
| U0423 | Invalid data received from instrument cluster | (See DTC U0423 [MULTI INFORMATION DISPLAY] .) |
| U2516 | Communication error (MS-CAN) | (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (L3 WITH TC)] .) (See FOREWORD [MULTIPLEX COMMUNICATION SYSTEM (L5)] .) |
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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.