P3055
DC/DC Converter Actuator Voltage 1 Performance
P3055 is an OBD-II diagnostic trouble code meaning: DC/DC Converter Actuator Voltage 1 Performance. Common causes: dc/dc converter malfunction, wiring harness damage. Estimated repair cost: $167–556.
Symptoms
- Warning messages on the dashboard
- Problems charging a 12-volt battery
- Disabling some electronic systems
- Reduced performance of the hybrid system
- Difficulty starting the engine
Causes
- DC/DC converter malfunction
- Wiring harness damage
- Bad contacts in connectors
- Problems with high voltage battery
- Control unit software errors
How to Fix
- Check the connections and connectors of the converter
- Test the voltage at the input and output of the converter
- Check the condition of the high-voltage battery
- Update the control unit software if necessary
- Replace the DC/DC converter if a fault is detected
Related codes
FAQ
What does the P3055 code mean?
P3055 is an OBD-II diagnostic trouble code that indicates: DC/DC Converter Actuator Voltage 1 Performance
What causes a P3055 error code?
The most common causes of P3055 include: DC/DC converter malfunction; Wiring harness damage; Bad contacts in connectors; Problems with high voltage battery.
How do I fix a P3055 diagnostic trouble code?
To fix P3055: Check the connections and connectors of the converter. Test the voltage at the input and output of the converter. Check the condition of the high-voltage battery. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3055?
Limited driving only, diagnose soon
How much does it cost to fix P3055?
The estimated repair cost for P3055 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat