B1077
Diagnosis Sensor Unit
B1077 is an OBD-II diagnostic trouble code meaning: Diagnosis Sensor Unit. Common causes: malfunction of the diagnostic sensor unit, open or shorted wiring harness. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- The passive safety system does not work
- Other security related trouble codes
Causes
- Malfunction of the diagnostic sensor unit
- Open or shorted wiring harness
- Poor contact in connectors
- Short circuit in the circuit
- Damaged security sensors
How to Fix
- Check trouble codes on OBD-II scanner
- Inspect the wiring harness and sensor unit connectors
- Check the integrity of wires and contacts
- Test the diagnostic sensor unit
- If necessary, replace the faulty unit or repair the wiring harness
Related codes
FAQ
What does the B1077 code mean?
B1077 is an OBD-II diagnostic trouble code that indicates: Diagnosis Sensor Unit
What causes a B1077 error code?
The most common causes of B1077 include: Malfunction of the diagnostic sensor unit; Open or shorted wiring harness; Poor contact in connectors; Short circuit in the circuit.
How do I fix a B1077 diagnostic trouble code?
To fix B1077: Check trouble codes on OBD-II scanner. Inspect the wiring harness and sensor unit connectors. Check the integrity of wires and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1077?
Limited driving only, diagnose soon
How much does it cost to fix B1077?
The estimated repair cost for B1077 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat