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.
2004 Mazda B2300 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Transfer Case DTCS
TRANSFER CASE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
| B1355 | Ignition Run Circuit Failure |
| B1483 | Brake Pedal Input Circuit Failure |
| C1728 | Transfer Case Unable to Transition Between 2H and 4H |
| C1729 | Transfer Case Unable to Transition Between 2H and 4H |
| P0500 | Vehicle Speed Signal Circuit Failure |
| P1555 | Ignition Run/Start Circuit Failure |
| P1812 | Transmission 4X4 Mode Select Circuit Failure |
| P1815 | Transmission 4X4 Mode Select Short Circuit to Ground |
| P1816 | Transmission Neutral Safety Switch Circuit Failure |
| P1819 | Transmission Neutral Safety Switch Short Circuit to Ground |
| P1849 | Transmission Transfer Case Contact Plate A Short Circuit to Ground |
| P1853 | Transmission Transfer Case Contact Plate B Short Circuit to Ground |
| P1857 | Transmission Transfer Case Contact Plate C Short Circuit to Ground |
| P1861 | Transmission Transfer Case Contact Plate D Short Circuit to Ground |
| P1867 | Transmission Transfer Case Contact Plate General Circuit Failure |
| P1891 | Transmission Transfer Case Contact Plate Ground Return Open Circuit |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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