P3055 - DC/DC Converter Actuator Voltage 1 Performance
P3055 Possible Causes
- Faulty Power Supply Transformer
- Power Supply Transformer harness is open or shorted
- Power Supply Transformer circuit poor electrical connection
First diagnose P3055 code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P3055 code
Labor: 1.0The cost of diagnosing the P3055 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
P3055 Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P3055 DescriptionThe Power Supply Transformer is used to boost battery voltage to sensitive loads during engine restart. It provides two voltage outputs that provide the boosted voltage. The Power Supply Transformer communicates to the Engine Control Module (ECM). When the engine is not cranking, the Power Supply Transformer passes through voltage from the two supply circuits. The ECM receives data about the sensed output voltages provided by the Power Supply Transformer.
P3055 More InformationNeed more information on how to fix the P3055 code?
Get Access to Factory Service Manuals
P3055 Information for specific makes
Need more help?Get the P3055 code diagnosed by a professional: Find a repair shop in your area
P3055 CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P3055 code? Have you replaced any parts?
Any information is appreciated. Thanks