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 MANUALSMAZDA2008TRIBUTE S SPORT, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 388 (ON-BOARD DIAGNOSTIC (MULTIPLEX COMMUNICATION SYSTEM))DTC TABLE [MULTIPLEX COMMUNICATION SYSTEM]
2008 Mazda Tribute s Sport, 4WD
DTC Table [Multiplex Communication System]
2008 Mazda Tribute s Sport, 4WDSECTION DTC Table [Multiplex Communication System]
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC [MULTIPLEX COMMUNICATION SYSTEM] CHART
| DTC | Malfunction location | DTC output module | Page |
|---|---|---|---|
| U0073 | CAN system communication error |
|
(See DTC U0073, U2516 ) |
| U0100 | Communication error to PCM |
|
(See PROCEDURES FOR DETERMINING THE LOCATION OF A MALFUNCTION ) |
| U0101 | Communication error to TCM |
|
|
| U0121 | Communication error to ABS/TCS HU/CM |
|
|
| U0140 | Communication error to instrument cluster | TCM | |
| U0155 | Communication error to instrument cluster |
|
|
| U0415 | Abnormal message from ABS/TCS HU/CM | TCM | |
| U1900 | Communication error | Instrument cluster | (See PROCEDURES FOR DETERMINING THE LOCATION OF A MALFUNCTION ) |
| U2516 | CAN system communication error | Instrument cluster | (See DTC U0073, U2516 ) |
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.