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
Instrument Panel DTCS
INSTRUMENT PANEL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
| B1202 | Fuel Sender Circuit Open |
| B1204 | Fuel Sender Circuit Short to Ground |
| B1317 | Battery Voltage High |
| B1318 | Battery Voltage Low |
| B1322 | Driver Door Ajar Circuit Short to Ground |
| B1330 | Passenger Door Ajar Circuit Short to Ground |
| B1869 | Lamp Air Bag Warning Indicator Circuit Open |
| B1870 | Lamp Air Bag Warning Indicator Circuit Short To Battery |
| B2143 | NVM Memory Failure |
| B2432 | Drivers Seat Belt Buckle Switch Circuit Open |
| B2434 | Drivers Seat Belt Buckle Switch Circuit Short to Ground |
| B2435 | Drivers Seat Belt Buckle Switch Circuit Resistance out of Range |
| B2436 | Passengers Seat Belt Buckle Switch Circuit Open |
| B2438 | Passengers Seat Belt Buckle Switch Circuit Short to Ground |
| B2439 | Passengers Seat Belt Buckle Switch Circuit Resistance out of Range |
| C1221 | ABS Warning Lamp Output Circuit Short to Ground |
| C1226 | Brake Warning Lamp Output Circuit Short to Ground |
| P0117 | Engine Coolant Temperature Low Input |
| P0118 | Engine Coolant Temperature High Input |
| P1804 | 4X4 Indicator Circuit Failure |
| P1806 | 4X4 Indicator Circuit Short to Battery |
| P1808 | 4X4 LOW Indicator Circuit Failure |
| P1810 | 4X4 LOW Indicator Circuit Short to Battery |
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:
- 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.
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