B0145
Auxiliary Mode Actuator
B0145 is an OBD-II diagnostic trouble code meaning: Auxiliary Mode Actuator. Common causes: open or short circuit in the actuator circuit, faulty blendsquib (squib). Estimated repair cost: $56–167.
Symptoms
- The passive safety system fault indicator is on
- Disabling part of the safety system (such as seat belt pretensioners)
- Lack of system response to diagnostic requests
Causes
- Open or short circuit in the actuator circuit
- Faulty blendsquib (squib)
- Security wiring harness problems
- Malfunction of the actuator itself
- Damage after an accident (if the mechanism has already been triggered)
How to Fix
- Diagnose the passive safety system using a scanner
- Check the continuity and resistance of the actuator circuit
- Inspect the wiring harness for damage
- Check the condition of the squibs and connections
- If necessary, replace the faulty component
- Reset the error and test the system
Related codes
Error B0145 by Vehicle Brand
FAQ
What does the B0145 code mean?
B0145 is an OBD-II diagnostic trouble code that indicates: Auxiliary Mode Actuator
What causes a B0145 error code?
The most common causes of B0145 include: Open or short circuit in the actuator circuit; Faulty blendsquib (squib); Security wiring harness problems; Malfunction of the actuator itself.
How do I fix a B0145 diagnostic trouble code?
To fix B0145: Diagnose the passive safety system using a scanner. Check the continuity and resistance of the actuator circuit. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0145?
Do not drive — repair immediately
How much does it cost to fix B0145?
The estimated repair cost for B0145 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat