B1205
Diagnosis Sensor Unit
B1205 is an OBD-II diagnostic trouble code meaning: Diagnosis Sensor Unit. Common causes: malfunction of the diagnostic unit, open or short circuit in wiring harness. Estimated repair cost: $111–333.
Symptoms
- Airbag light is on
- Lack of response from the passive safety system in an accident
- Errors in other passive safety systems
Causes
- Malfunction of the diagnostic unit
- Open or short circuit in wiring harness
- Problems with power or grounding of the unit
- Software glitch
How to Fix
- Check the wiring harness for breaks and short circuits
- Check power supply and grounding of the unit
- Scan the system for additional errors
- Reflash or replace the diagnostic unit
Related codes
FAQ
What does the B1205 code mean?
B1205 is an OBD-II diagnostic trouble code that indicates: Diagnosis Sensor Unit
What causes a B1205 error code?
The most common causes of B1205 include: Malfunction of the diagnostic unit; Open or short circuit in wiring harness; Problems with power or grounding of the unit; Software glitch.
How do I fix a B1205 diagnostic trouble code?
To fix B1205: Check the wiring harness for breaks and short circuits. Check power supply and grounding of the unit. Scan the system for additional errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1205?
Limited driving only, diagnose soon
How much does it cost to fix B1205?
The estimated repair cost for B1205 is $111–333. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat