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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMAZDA2006B4000 BASE, AUTOMATICREPAIR AND DIAGNOSISELECTRICALGAUGESTROUBLESHOOTING (INSTRUMENTATION/DRIVER INFORMATION)FOUR WHEEL DRIVE (4WD) CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
2006 Mazda B4000 Base, Automatic
Four Wheel Drive (4WD) Control Module Diagnostic Trouble Code (DTC) Index
2006 Mazda B4000 Base, AutomaticSECTION Four Wheel Drive (4WD) Control Module Diagnostic Trouble Code (DTC) Index
FOUR WHEEL DRIVE (4WD) CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX
| DTC | Description | Source | ACTION |
|---|---|---|---|
| B1342 | ECU is Defective | 4WD Control Module | Clear all DTCs. RETRIEVE the DTCs. If DTC B1342 is still present, install a new 4WD control module. See 4WD CONTROL MODULE REMOVAL / INSTALLATION . Test the system for normal operation. |
| P1804 | 4x4 Indicator Circuit Failure | 4WD Control Module | See PINPOINT TEST 19: 4WD HIGH AND 4WD LOW INDICATOR IS NEVER/ALWAYS ON . |
| P1806 | 4x4 Indicator Circuit Short to Battery | 4WD Control Module | See PINPOINT TEST 19: 4WD HIGH AND 4WD LOW INDICATOR IS NEVER/ALWAYS ON . |
| P1808 | 4x4 LOW Indicator Circuit Failure | 4WD Control Module | See PINPOINT TEST 19: 4WD HIGH AND 4WD LOW INDICATOR IS NEVER/ALWAYS ON . |
| P1810 | 4x4 LOW Indicator Circuit Short to Battery | 4WD Control Module | See PINPOINT TEST 19: 4WD HIGH AND 4WD LOW INDICATOR IS NEVER/ALWAYS ON . |
| All Other DTCs | - | 4WD Control Module | See TRANSFER CASE ELECTRONIC SHIFT ON - BOARD DIAGNOSIS . |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.