Engine-Codes - Mercury - P0A11 Mercury

P0A11 Mercury Code - DC/DC Converter Enable Circuit Open

- Code Popularity: 1,601 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
ChatAC AutoCodes.com AI Chat

What are the Possible Causes of the DTC P0A11 Mercury?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty DC/DC Converter
  • DC/DC Converter harness is open or shorted
  • DC/DC Converter circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)
⚠ Does your Mercury have Safety Recalls? → Check here

How to Fix the DTC P0A11 Mercury?

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 pins.

Search for P0A11 Mercury Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P0A11 Mercury code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P0A11 Mercury Code Mean?

The Powertrain Control Module (PCM) controls the DC/DC enable hardwired signal to switch the DC/DC converter on and off. The DC/DC converter provides feedback to the PCM using the hardwired DC/DC fault signal. The DC/DC fault signal indicates to the PCM when the converter is non-operational or when a fault has occurred.

P0A11 Mercury Code - DC/DC Converter Enable Circuit Open

Need more Information on the Code?

Need more information on how to fix the P0A11 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0A11 Mercury code diagnosed by a professional: Find a repair shop in your area