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.
DTC Description
2024 Nissan-Datsun Frontier SL, RWDSECTION DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| B2193 | CHAIN OF BCM-ECM (Chain of body control module - engine control module) | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | - | ||
| Threshold | Inactive communication between BCM and ECM | ||
| Diagnosis delay time | - | ||
POSSIBLE CAUSE
- Harness or connectors (The CAN communication line is open or shorted.)
- ECM
- BCM
FAIL-SAFE
Inhibit engine cranking
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.