B0044 – Right Front Side Impact Sensor Circuit Performance

DTC B0044 indicates that the Airbag Control Module (ACM) has detected a performance issue in the right front side impact sensor circuit. The sensor provides collision information to the Supplemental Restraint System (SRS) module, allowing the system to evaluate side-impact conditions and control airbag deployment.

This fault is safety-related and may affect the operation of the side airbag system.

Code Information

• DTC: B0044
• System: Supplemental Restraint System (SRS)
• Description: Right Front Side Impact Sensor Circuit Performance
• Severity: High (Safety Related)

Symptoms

• Airbag warning light remains ON.
• SRS warning message appears on the dashboard.
• Right-side airbags may be disabled.
• B0044 stored in the SRS control module.
• No engine performance symptoms are expected.

Possible Causes

• Faulty right front impact sensor.
• Incorrect sensor signal output.
• Open or short circuit in wiring.
• Damaged or loose connector.
• Corrosion or water intrusion.
• Previous collision damage.
• Airbag Control Module fault (rare).

Typical Wiring Diagram

🔴 B+ Power
┃
┏━━━━━━━━━━━━━━┓
┃ Airbag ECU ┃
┗━━━━━━┳━━━━━━━┛
┃ 🟡 Signal
┏━━━━━━┻━━━━━━━┓
┃ Right Front ┃
┃ Impact Sensor┃
┗━━━━━━┳━━━━━━━┛
┃ ⚫ Ground
┃
Vehicle Chassis

Diagnostic Procedure

1. Confirm B0044 with an SRS-capable scan tool.
2. Check for additional airbag-related codes.
3. Inspect the right front impact sensor and connector.
4. Look for damaged wires, corrosion, or loose terminals.
5. Test circuit continuity according to manufacturer specifications.
6. Verify sensor output and communication with the SRS module.
7. Replace the sensor if it fails testing.
8. Clear the code and confirm the repair.

Important Note

Wire colors, connector pin numbers, sensor location, and electrical specifications are different between vehicle manufacturers. Always refer to the correct factory service manual before testing SRS circuits.

Can You Drive With B0044?

The vehicle may continue to operate normally, but the SRS system may not provide complete protection during a crash. Repair this fault as soon as possible.

Estimated Repair Cost

• Connector repair: $20–80
• Wiring repair: $40–150
• Impact sensor replacement: $80–300
• SRS module replacement if needed: $300–900

Related DTCs

• B0041
• B0042
• B0043
• B0045

Frequently Asked Questions

What does B0044 mean?

B0044 means the SRS module detected a performance problem with the right front side impact sensor circuit.

Can a damaged connector cause B0044?

Yes. Loose terminals, corrosion, and damaged wiring are common causes of SRS sensor faults.

Will replacing the sensor fix B0044?

If the sensor is faulty, replacement may solve the problem. Wiring and module faults must also be checked.

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OBDSpark Technician Tip: Never test SRS circuits using a test light or external power source. Always follow manufacturer safety procedures before servicing airbags.