Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Lincoln MKS Base, AWDFACTORY OEM SERVICE PROCEDURE
Charging System DTCS
CHARGING DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTCs | Description | Action |
|---|---|---|
| P0562 | System Voltage Low | GO to Pinpoint Test B . |
| P0563 | System Voltage High | GO to Pinpoint Test A . |
| P0620 | Generator Control Circuit | GO to Pinpoint Test C . |
| P0625 | Generator Field Terminal Circuit Low | GO to Pinpoint Test D . |
| P0626 | Generator Field Terminal Circuit High | GO to Pinpoint Test D . |
| P065B | Generator Control Circuit Range/Performance | GO to Pinpoint Test E . |
| All other DTCs | - | REFER to the Master DTC Chart in
MULTIFUNCTION ELECTRONIC MODULES
or the
INTRODUCTION - GASOLINE MODELS
. If directed to this procedure from another information, REFER to the Symptom Chart . |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
